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* Rundisc: ''VideoGame/ChantsOfSennaar'' shows a battle in ''Varion'' (their previous game) on a screen on the top level.
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* Creator/ChillasArt: ''VideoGame/{{Parasocial}}'': The game starts off with Niina doing a livestream where she plays a top-down version of VideoGame/AkaManto, one of Chilla's earlier games, but she soon quits after finding it too difficult. This ends up kicking off the plot, as she asks the chat for a new game to play.
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* Creator/ChillasArt: ''VideoGame/{{Parasocial}}'': The game starts off with Niina doing a livestream where she plays a top-down version of VideoGame/AkaManto, ''VideoGame/AkaManto'', one of Chilla's earlier games, but she soon quits after finding it too difficult. This ends up kicking off the plot, as she asks the chat for a new game to play. In the true ending, Asuka suggests she stream ''VideoGame/TheConvenienceStore'', another Chilla game.
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* Creator/MonkeyPunch: At one point in ''Anime/LupinIIIThePursuitOfHarimaosTreasure'', Lupin is reading ''Transparent Gentleman'', another work by Creator/MonkeyPunch. Lupin even mentions the author by name.* Masahiro Totsuka: In one episode of ''Anime/BambooBlade'', Tamaki saves up money to buy the DVD Box sets of an anime called ''Material Puzzle''. This is the title of a fantasy manga created by Masahiro Totsuka before Bamboo Blade, though it was never adapted into an anime IRL.
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* Creator/MonkeyPunch: At one point in ''Anime/LupinIIIThePursuitOfHarimaosTreasure'', Lupin is reading ''Transparent Gentleman'', another work by Creator/MonkeyPunch. Lupin even mentions the author by name.name.
* Masahiro Totsuka: In one episode of ''Anime/BambooBlade'', Tamaki saves up money to buy the DVD Box sets of an anime called ''Material Puzzle''. This is the title of a fantasy manga created by Masahiro Totsuka before Bamboo Blade, though it was never adapted into an anime IRL.
* Masahiro Totsuka: In one episode of ''Anime/BambooBlade'', Tamaki saves up money to buy the DVD Box sets of an anime called ''Material Puzzle''. This is the title of a fantasy manga created by Masahiro Totsuka before Bamboo Blade, though it was never adapted into an anime IRL.
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* ''Anime/KujibikiUnbalance'' started as a ShowWithinAShow that the characters in ''Manga/{{Genshiken}}'' would often be seen reading the manga and cosplaying as. When Genshiken got an anime adaptation, clips for ''Kujibiki Unbalance'' were specifically made to be shown on televisions within the narrative, and those same clips would later be repurposed within its own anime adaptation.
* Masahiro Totsuka: In one episode of ''Anime/BambooBlade'', Tamaki saves up money to buy the DVD Box sets of a anime called ''Material Puzzle''. This is the title of a fantasy manga created by Masahiro Totsuka before Bamboo Blade, though it was never adapted into an anime IRL.
* Masahiro Totsuka: In one episode of ''Anime/BambooBlade'', Tamaki saves up money to buy the DVD Box sets of a anime called ''Material Puzzle''. This is the title of a fantasy manga created by Masahiro Totsuka before Bamboo Blade, though it was never adapted into an anime IRL.
to:
* ''Anime/KujibikiUnbalance'' started as a ShowWithinAShow that the characters in ''Manga/{{Genshiken}}'' would often be seen reading the manga and cosplaying as. When Genshiken ''Genshiken'' got an anime adaptation, clips for ''Kujibiki Unbalance'' were specifically made to be shown on televisions within the narrative, and those same clips would later be repurposed within its own anime adaptation.
* Creator/MonkeyPunch: At one point in ''Anime/LupinIIIThePursuitOfHarimaosTreasure'', Lupin is reading ''Transparent Gentleman'', another work by Creator/MonkeyPunch. Lupin even mentions the author by name.* Masahiro Totsuka: In one episode of ''Anime/BambooBlade'', Tamaki saves up money to buy the DVD Box sets ofa an anime called ''Material Puzzle''. This is the title of a fantasy manga created by Masahiro Totsuka before Bamboo Blade, though it was never adapted into an anime IRL.
* Creator/MonkeyPunch: At one point in ''Anime/LupinIIIThePursuitOfHarimaosTreasure'', Lupin is reading ''Transparent Gentleman'', another work by Creator/MonkeyPunch. Lupin even mentions the author by name.* Masahiro Totsuka: In one episode of ''Anime/BambooBlade'', Tamaki saves up money to buy the DVD Box sets of
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* Creator/ChillasArt: ''VideoGame/{{Parasocial}}'': The game starts off with Niina doing a livestream where she plays a top-down version of VideoGame/AkaManto, one of Chilla's earlier games, but she soon quits after finding it too difficult. This ends up kicking off the plot, as she ask the chat for a new game to play.
* ''VisualNovel/DanganronpaV3KillingHarmony'': TheReveal has it where [[spoiler:the previous entries in the franchise are treated as such when Tsumugi revealed that after the success of the original Danganronpa, Team Danganronpa decided to turn the franchise into a reality show by brainwashing people into thinking that they are actually Danganronpa characters. The fact that Tsumugi can cosplay as the characters from the first and second games are what gets the group to realize those characters are fictional as Tsumugi can't cosplay as real people.]]
* ''VisualNovel/DanganronpaV3KillingHarmony'': TheReveal has it where [[spoiler:the previous entries in the franchise are treated as such when Tsumugi revealed that after the success of the original Danganronpa, Team Danganronpa decided to turn the franchise into a reality show by brainwashing people into thinking that they are actually Danganronpa characters. The fact that Tsumugi can cosplay as the characters from the first and second games are what gets the group to realize those characters are fictional as Tsumugi can't cosplay as real people.]]
to:
* Creator/ChillasArt: ''VideoGame/{{Parasocial}}'': The game starts off with Niina doing a livestream where she plays a top-down version of VideoGame/AkaManto, one of Chilla's earlier games, but she soon quits after finding it too difficult. This ends up kicking off the plot, as she ask asks the chat for a new game to play.
* ''VisualNovel/DanganronpaV3KillingHarmony'': TheReveal has it where [[spoiler:the previous entries in the franchise are treated as such when Tsumugi revealed that after the success of the original Danganronpa, Team Danganronpa decided to turn the franchise into a reality show by brainwashing people into thinking that they are actually Danganronpa characters. The fact that Tsumugi can cosplay as the characters from the first and second gamesare is what gets the group to realize those characters are fictional as Tsumugi can't cosplay as real people.]]
* ''VisualNovel/DanganronpaV3KillingHarmony'': TheReveal has it where [[spoiler:the previous entries in the franchise are treated as such when Tsumugi revealed that after the success of the original Danganronpa, Team Danganronpa decided to turn the franchise into a reality show by brainwashing people into thinking that they are actually Danganronpa characters. The fact that Tsumugi can cosplay as the characters from the first and second games
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* Creator/MattGroening: ''WesternAnimation/TheSimpsons'': In [[Recap/TheSimpsonsS15E17MyBigFatGeekWedding My Big Fat Geek Wedding]] the characters meet Creator/MattGroening at a sci-fi convention and recognize him as the creator of ''WesternAnimation/{{Futurama}}.'' Years later, The Simpsons would get a [[Recap/TheSimpsonsS26E6Simpsorama crossover episode]] with Futurama.
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* Creator/MattGroening: ''WesternAnimation/TheSimpsons'': In [[Recap/TheSimpsonsS15E17MyBigFatGeekWedding "[[Recap/TheSimpsonsS15E17MyBigFatGeekWedding My Big Fat Geek Wedding]] Wedding]]", the characters meet Creator/MattGroening at a sci-fi convention and recognize him as the creator of ''WesternAnimation/{{Futurama}}.'' Years later, The Simpsons would get a [[Recap/TheSimpsonsS26E6Simpsorama crossover episode]] with Futurama.
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* Masahiro Totsuka: In one episode of ''Anime/BambooBlade'', Tamaki saves up money to buy the DVD Box sets of a anime called ''Material Puzzle''. This is the title of a fantasy manga created by Masahiro Totsuka before Bamboo Blade, though it was never adapted into a anime IRL.
to:
* Masahiro Totsuka: In one episode of ''Anime/BambooBlade'', Tamaki saves up money to buy the DVD Box sets of a anime called ''Material Puzzle''. This is the title of a fantasy manga created by Masahiro Totsuka before Bamboo Blade, though it was never adapted into a an anime IRL.
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* The [[{{Hentai}} h-mangaka]] Mahiro Ootori specializes in stories where a male protagonist acquires a harem of women where one of them acts as [[TopWife his preferred wife]] while [[SupportingHarem the others are his concubines]]. His fist major work ''My Harem in Another World'' references ''Tales of a Harem in Another World'' by another h-mangaka as an homage to the main character being [[TrappedInAnotherWorld "isekaied" into a video game]] and then acquiring a CuteMonsterGirl harem, as well as a [[{{Meido}} a human maid]], before returning to his world with them. Ootori's later works then references ''My Harem in Another World'' as either a magical tome like in ''Slutty Elf Sisters Looking for a Husband'', or as a sort of "how to guide" for a couple who wants to experiment in the bedroom, like in ''My Wife Started Experimenting''.
to:
* The [[{{Hentai}} h-mangaka]] Mahiro Ootori specializes in stories where a male protagonist acquires a harem of women where one of them acts as [[TopWife his preferred wife]] while [[SupportingHarem the others are his concubines]]. His fist first major work ''My Harem in Another World'' references ''Tales of a Harem in Another World'' by another h-mangaka as an homage to the main character being [[TrappedInAnotherWorld "isekaied" into a video game]] and then acquiring a CuteMonsterGirl harem, as well as a [[{{Meido}} a human maid]], before returning to his world with them. Ootori's later works then references ''My Harem in Another World'' as either a magical tome like in ''Slutty Elf Sisters Looking for a Husband'', or as a sort of "how to "how-to guide" for a couple who wants to experiment in the bedroom, like in ''My Wife Started Experimenting''.
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* The idea behind ''ComicBook/TheMultiversity'' is that every universe in the Creator/DCComics multiverse has comics that portray the events of other universes. For example, ''Mastermen'' shows Hitler reading a ''American Crusader'' comic, depicting the champion of Earth 8, while ''Pax Americana'' shows Captain Atom reading ''Ultra Comics'', which depicts events in Earth 33.
to:
* The idea behind ''ComicBook/TheMultiversity'' is that every universe in the Creator/DCComics multiverse has comics that portray the events of other universes. For example, ''Mastermen'' shows Hitler reading a an ''American Crusader'' comic, depicting the champion of Earth 8, while ''Pax Americana'' shows Captain Atom reading ''Ultra Comics'', which depicts events in Earth 33.
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* Ted Sikora: ''ComicBook/ApamaTheUndiscoveredAnimal'' is a comic-book supposedly created by David, the protagonist of the independent film ''Hero Tomorrow''. Both were created by Ted Sikora. The comic also features a fictionalized version of ''Nothing Like Vaudeville'', a musical that was also created by Sikora.
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* Ted Sikora: ''ComicBook/ApamaTheUndiscoveredAnimal'' is a comic-book comic book supposedly created by David, the protagonist of the independent film ''Hero Tomorrow''. Both were created by Ted Sikora. The comic also features a fictionalized version of ''Nothing Like Vaudeville'', a musical that was also created by Sikora.
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* Creator/ChuckPalahniuk occasionally references his book ''Literature/FightClub'' in his other works. Usually with another character making fun of the film?s AdaptionDisplacement by questioning, "What book?"
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* Creator/ChuckPalahniuk occasionally references his book ''Literature/FightClub'' in his other works. Usually with another character making fun of the film?s film's AdaptionDisplacement by questioning, "What book?"
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* Creator/ChillasArt: ''VideoGame/{{Parasocial}}'': The game starts off with Niina doing a livestream where she plays a top down version of VideoGame/AkaManto, one of Chilla's earlier games, but she soon quits after finding it too difficult. This ends up kicking off the plot, as she ask the chat for a new game to play.
to:
* Creator/ChillasArt: ''VideoGame/{{Parasocial}}'': The game starts off with Niina doing a livestream where she plays a top down top-down version of VideoGame/AkaManto, one of Chilla's earlier games, but she soon quits after finding it too difficult. This ends up kicking off the plot, as she ask the chat for a new game to play.
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[[/folder]]
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* In ''WesternAnimation/OneHundredAndOneDalmatians'', Horace and Jasper are watching ''Springtime'', a 1929 ''WesternAnimation/SillySymphonies'' cartoon.
* ''WesternAnimation/ToyStory2'': This trope is combined with FreezeFrameBonus. When the toys are flipping through the TV channels trying to find the commercial for Al's Toy Barn, the footage we see is from old Pixar shorts.
* ''WesternAnimation/ToyStory2'': This trope is combined with FreezeFrameBonus. When the toys are flipping through the TV channels trying to find the commercial for Al's Toy Barn, the footage we see is from old Pixar shorts.
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* Creator/{{Disney}}: In ''WesternAnimation/OneHundredAndOneDalmatians'', Horace and Jasper are watching ''Springtime'', a 1929 ''WesternAnimation/SillySymphonies'' cartoon.
* Creator/{{Pixar}}: ''WesternAnimation/ToyStory2'': This trope is combined with FreezeFrameBonus. When the toys are flipping through the TV channels trying to find the commercial for Al's Toy Barn, the footage we see is from old Pixar shorts.
* Creator/{{Pixar}}: ''WesternAnimation/ToyStory2'': This trope is combined with FreezeFrameBonus. When the toys are flipping through the TV channels trying to find the commercial for Al's Toy Barn, the footage we see is from old Pixar shorts.
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* ''WesternAnimation/ToyStory2'': This trope is combined with FreezeFrameBonus. When the toys are flipping through the TV channels trying to find the commercial for Al's Toy Barn, the footage we see is from old Pixar shorts.
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A SubTrope of CompanyCrossReferences. Contrast CanonWelding, when two works initially presented as separate are later established to be the same universe.
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A SubTrope of CompanyCrossReferences. Contrast CanonWelding, when two works initially presented as separate are later established to be the same universe.
universe. Can be an example of {{Defictionalization}} if the reference to the work came before the creator produced it in real life.
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fixed red links
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* Creator/GoshoAoyama frequently cross-promotes his various manga series this way; maybe the best-known example is Ch. 2 of ''Manga/CaseClosed'', which features Vol. 1 of his first series ''Manga/MagicKaito'' in the Kudos' library - ''long'' before the two series were kinda-sorta [[CanonWelding canon-welded]] into each other.
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* Creator/GoshoAoyama Gosho Aoyama frequently cross-promotes his various manga series this way; maybe the best-known example is Ch. 2 of ''Manga/CaseClosed'', which features Vol. 1 of his first series ''Manga/MagicKaito'' in the Kudos' library - ''long'' before the two series were kinda-sorta [[CanonWelding canon-welded]] into each other.
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* TsuburayaProductions: The 2018 anime ''Anime/SSSSGridman'' and its sequel ''Anime/SSSSDynazenon'' treat the ''Franchise/UltraSeries'' as an in-universe franchise, with characters owning merchandise, mentioning stage shows or otherwise referencing ''Ultraman'' media and characters as fictional.
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* TsuburayaProductions: Creator/TsuburayaProductions: The 2018 anime ''Anime/SSSSGridman'' and its sequel ''Anime/SSSSDynazenon'' treat the ''Franchise/UltraSeries'' as an in-universe franchise, with characters owning merchandise, mentioning stage shows or otherwise referencing ''Ultraman'' media and characters as fictional.
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* Ted Sikora: ''ComicBook/ApamaTheUndiscoveredAnimal'' is a comic-book supposedly created by David, the protagonist of the independent film ''Film/HeroTomorrow''. Both were created by Ted Sikora. The comic also features a fictionalized version of ''Nothing Like Vaudeville'', a musical that was also created by Sikora.
to:
* Ted Sikora: ''ComicBook/ApamaTheUndiscoveredAnimal'' is a comic-book supposedly created by David, the protagonist of the independent film ''Film/HeroTomorrow''.''Hero Tomorrow''. Both were created by Ted Sikora. The comic also features a fictionalized version of ''Nothing Like Vaudeville'', a musical that was also created by Sikora.
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* Christine Ha: ''Literature/RoysBedoys'': The characters watch ''WebAnimation/{{Chijimon}}'', a web series that was also created by.
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* Christine Ha: ''Literature/RoysBedoys'': The characters watch ''WebAnimation/{{Chijimon}}'', ''Chijimon'', a web series that was also created by.
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* Lee Goldberg: In the ''Series/{{Monk}}'' episode "[[Recap/MonkS4E12MrMonkAndTheCaptainsMarriage Mr. Monk and the Captain's Marriage]]", one character has been reading ''Series/DiagnosisMurder'' book "[[Literature/DiagnosisMurderTheWakingNightmare The Waking Nightmare]]" by Lee Goldberg.
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* Lee Goldberg: In the ''Series/{{Monk}}'' episode "[[Recap/MonkS4E12MrMonkAndTheCaptainsMarriage Mr. Monk and the Captain's Marriage]]", one character has been reading ''Series/DiagnosisMurder'' book "[[Literature/DiagnosisMurderTheWakingNightmare The "The Waking Nightmare]]" Nightmare" by Lee Goldberg.
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** ''WesternAnimation/{{Rugrats}}'': Their TwelveSpoofsOfChristmas song has Nickelodeon being the thing the babies watched on the Second Day of Christmas.
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** ''WesternAnimation/{{Rugrats}}'': Their TwelveSpoofsOfChristmas TheTwelveSpoofsOfChristmas song has Nickelodeon being the thing the babies watched on the Second Day of Christmas.
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[[folder:Films - Animation]]
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[[folder:Films - — Animation]]
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[[folder:Films - Live-Action]]
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[[folder:Films - — Live-Action]]
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[[folder:Films - Animation]]
* In ''WesternAnimation/OneHundredAndOneDalmatians'', Horace and Jasper are watching ''Springtime'', a 1929 ''WesternAnimation/SillySymphonies'' cartoon.
[[/folder]]
* In ''WesternAnimation/OneHundredAndOneDalmatians'', Horace and Jasper are watching ''Springtime'', a 1929 ''WesternAnimation/SillySymphonies'' cartoon.
[[/folder]]
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* Sounding Stone: The ''VideoGame/PeacemakerSeries'' of fantasy RPG games exists in the ''VideoGame/PhysicalExorcismSeries'', which takes place in the modern world, as an in-universe video game series that [[GamerChick Sally and Lily]] are fans of, as revealed in ''VisualNovel/Case03TrueCannibalBoy''. [[spoiler:However, the true ending of ''Case 03'' also reveals that [[EldritchAbomination Nya]] somehow has influence over both worlds, as they send Jade there from her world to act on their behalf.]]
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* Sounding Stone: The ''VideoGame/PeacemakerSeries'' of fantasy RPG games exists in the ''VideoGame/PhysicalExorcismSeries'', which takes place in the modern world, as an in-universe video game series that [[GamerChick Sally and Lily]] are fans of, as revealed in ''VisualNovel/Case03TrueCannibalBoy''. [[spoiler:However, the true ending of ''Case 03'' also reveals that [[EldritchAbomination Nya]] somehow [[CanonWelding has influence over both worlds, worlds]], as they send Jade there from her world to act on their behalf.]]
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!Examples:
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* Sounding Stone: The ''VideoGame/PeacemakerSeries'' of fantasy RPG games exists in the ''VideoGame/PhysicalExorcismSeries'', which takes place in the modern world, as an in-universe video game series that [[GamerChick Sally and Lily]] are fans of, as revealed in ''VisualNovel/Case03TrueCannibalBoy''. [[spoiler:However, the true ending of ''Case 03'' also reveals that [[EldritchAbomination Nya]] somehow has influence over both worlds, as they send Jade there from her world to act on their behalf.]]
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* ''Anime/KujibikiUnbalance'' started as a ShowWithinAShow that the characters in ''Manga/{{Genshiken}}'' would often be seen reading the manga and cosplaying as. When Genshiken got an anime adaptation, clips for ''Kujibiki Unbalance'' were specifically made to be shown on televisions within the narrative, and those same clips would later be repurposed within it's own anime adaptation.
to:
* ''Anime/KujibikiUnbalance'' started as a ShowWithinAShow that the characters in ''Manga/{{Genshiken}}'' would often be seen reading the manga and cosplaying as. When Genshiken got an anime adaptation, clips for ''Kujibiki Unbalance'' were specifically made to be shown on televisions within the narrative, and those same clips would later be repurposed within it's its own anime adaptation.
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[[folder:Anime and Manga]]
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[[folder: Anime and Manga]]
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* The [[{{Hentai}} h-mangaka]] Mahiro Ootori specializes in stories where a male protagonist acquires a harem of women where one of them acts as [[TopWife his preferred wife]] while [[SupportingHarem the others are his concubines]]. His fist major work ''My Harem in Another World'' references ''Tales of a Harem in Another World'' by another h-mangaka as an homage to the main character being [[TrappedInAnotherWorld "isekaied" into a video game]] and then acquiring a CuteMonsterGirl harem, as well as a [[{{Meido}} a human maid]], before returning to his world with them. Ootori's later works then references ''My Harem in Another World'' as either a magical tome like in ''Slutty Elf Sisters Looking for a Husband'', or as a sort of "how to guide" for a couple who wants to experiment in the bedroom, like in ''My Wife Started Experimenting''.
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Created from YKTTW
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A ShowWithinAShow can be shockingly elaborate as the host series goes on, almost becoming a work in its own right.
Some writers would rather spend all that worldbuilding time creating new standalone works, but that doesn't mean that their characters in another work can just sit around watching blank screens.
Sometimes, a creator has two or more separate works of fiction that can't be part of the same universe, usually due to incompatible genres (e.g. a modern setting and SpeculativeFiction), but one work could work as a work of fiction in the universe of another work. When a creator introduces one of their stories into one of their others as an InUniverse work of fiction, you get this trope.
This helps advertise the creator's other works, acting as a form of ProductPlacement for the creator.
Oftentimes the work being presented as fiction within fiction will be a different medium in the fictional universe, i.e. a film or tv series instead of a comic or book, which might be part of the creator's fantasy of getting their work adapted to a more "glamorous" medium. On the other hand, the characters might proclaim their creator's other work to be schlocky trash.
A SubTrope of CompanyCrossReferences. Contrast CanonWelding, when two works initially presented as separate are later established to be the same universe.
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[[folder:Anime and Manga]]
* Creator/GoshoAoyama frequently cross-promotes his various manga series this way; maybe the best-known example is Ch. 2 of ''Manga/CaseClosed'', which features Vol. 1 of his first series ''Manga/MagicKaito'' in the Kudos' library - ''long'' before the two series were kinda-sorta [[CanonWelding canon-welded]] into each other.
* ''Anime/KujibikiUnbalance'' started as a ShowWithinAShow that the characters in ''Manga/{{Genshiken}}'' would often be seen reading the manga and cosplaying as. When Genshiken got an anime adaptation, clips for ''Kujibiki Unbalance'' were specifically made to be shown on televisions within the narrative, and those same clips would later be repurposed within it's own anime adaptation.
* Masahiro Totsuka: In one episode of ''Anime/BambooBlade'', Tamaki saves up money to buy the DVD Box sets of a anime called ''Material Puzzle''. This is the title of a fantasy manga created by Masahiro Totsuka before Bamboo Blade, though it was never adapted into a anime IRL.
* TsuburayaProductions: The 2018 anime ''Anime/SSSSGridman'' and its sequel ''Anime/SSSSDynazenon'' treat the ''Franchise/UltraSeries'' as an in-universe franchise, with characters owning merchandise, mentioning stage shows or otherwise referencing ''Ultraman'' media and characters as fictional.
* Miki Yoshikawa: In ''Manga/YamadaKunAndTheSevenWitches'', as an excuse to spend time with Shiraishi after school, Yamada starts dropping by a bookstore with her to buy volumes of the light novel series ''There's No Way This Bad Boy Would Fall For Ms. Four-Eyes!!'' by Mikihiko Yoshikawa, a play on Yoshikawa's earlier manga series ''Manga/FlunkPunkRumble''[[note]]The light novel's title is an expanded version of the original Japanese title ''Yankee-kun to Megane-chan'', meaning ''Delinquent Boy and Glasses Girl''[[/note]], with some differences in character design. Oddly, ''Flunk Punk Rumble'''s Daichi Shinagawa had previously made a cameo appearance, and the first appearance of the light novel came right after a crossover special between the two series, with the anime including other cameos of the characters.
[[/folder]]
[[folder:Comic Books]]
* Creator/MattGroening: In ''ComicBook/TheSimpsonsFuturamaCrossoverCrisis'' ''The Simpsons'' exists as a comic book in the ''Futurama'' comics canon just as ''The Simpsons'' exists as a show in the ''Futurama'' series. -- both are Matt Groening properties produced by his comic book label, Bongo Comics. The plot kicks off when the Brain Spawn return and trap the Planet Express crew inside one of Fry's issues of ''The Simpsons''.
* The idea behind ''ComicBook/TheMultiversity'' is that every universe in the Creator/DCComics multiverse has comics that portray the events of other universes. For example, ''Mastermen'' shows Hitler reading a ''American Crusader'' comic, depicting the champion of Earth 8, while ''Pax Americana'' shows Captain Atom reading ''Ultra Comics'', which depicts events in Earth 33.
* Creator/PatShand: In ''ComicBook/ISummonedCthulhuToFundMyKickstarter'', Pat is trying to get people to buy ''Prophecy Lesbians'', which is Shand's ''ComicBook/DestinyNY'' in all but name.
[[/folder]]
[[folder:Films - Live-Action]]
* Creator/CharlieKaufman: At one point in ''Film/{{Adaptation}}'', Charlie is seen working on ''Film/BeingJohnMalkovich'', for which he wrote the script.
* Ted Sikora: ''ComicBook/ApamaTheUndiscoveredAnimal'' is a comic-book supposedly created by David, the protagonist of the independent film ''Film/HeroTomorrow''. Both were created by Ted Sikora. The comic also features a fictionalized version of ''Nothing Like Vaudeville'', a musical that was also created by Sikora.
* Tom Six: Each of the sequels to ''Film/TheHumanCentipede'' portray the previous film as being a work of fiction InUniverse, with the depraved acts depicted in the previous work inspiring the VillainProtagonist of the subsequent film. The alternate ending to the third film takes this into MindScrew territory, with [[spoiler:Dr. Heiter, the creator of the centipede from the original film, apparently ''dreaming the events of the third movie]].
[[/folder]]
[[folder:Literature]]
* Creator/IsaacAsimov's short story "Gold" is about efforts to adapt the second part of his novel ''Literature/TheGodsThemselves'' into a holographic movie.
* Creator/MaxBrooks: Although never mentioned specifically by name, ''Literature/TheZombieSurvivalGuide'' exists in Brooks' later novel ''Literature/WorldWarZ''. A couple characters refer to it in [[SelfDeprecation less than complimentary terms]].
* Creator/RoaldDahl: ''Literature/DannyTheChampionOfTheWorld'': Zigzagged. Danny's father tells him ''Literature/TheBFG'' like it's a story, but he also claims to have met the BFG. However, he [[MaybeMagicMaybeMundane says it in a joking sort of way]].
* Creator/PhilipKDick: '' Literature/{{VALIS}}'': At one point, the characters become obsessed with the in-story film also named ''Valis'' and how it seems to parallel events from their own lives. This ties into the novel's [[UsefulNotes/{{Gnosticism}} Gnostic themes]] (the film is a sign from a higher power that time is a cycle and the physical world is an illusion) but the {{Doylist}} reason is that ''Valis'' the film is based on Creator/PhilipKDick's very early draft of ''VALIS'' the novel, from back when it was still under the working title ''Valisystem A''. (Years later, Dick's ''Valisystem A'' draft would be posthumously published as a standalone story, under the new title ''Radio Free Albemuth''.)
* Christine Ha: ''Literature/RoysBedoys'': The characters watch ''WebAnimation/{{Chijimon}}'', a web series that was also created by.
* Creator/KazumaKamachi: In later volumes of ''Literature/ACertainMagicalIndex'', there may be one-shot scenes of someone watching something that is based on Kamachi's other works. In NT Volume 1, the B-movie that Shiage Hamazura and Saiai Kinuhata end up watching is ''Literature/HeavyObject''. In NT Volume 11, a scene from ''Literature/TheZashikiWarashiOfIntellectualVillage'' is playing on a TV screen in a restaurant where Misaki Shokuhou is eating lunch.
* Creator/DavidMitchellAuthor: ''Literature/CloudAtlas'' has a nested story structure, and at least some of them are fictional in-universe; the fourth story, "The Ghastly Ordeal of Timothy Cavendish", mentions that Cavendish, a publishing agent, read the third story, "Half-Lives", as a fictional narrative. "Half-Lives" includes Sixsmith from the previous story, "Letters from Zedelghem", in which the primary character reads the first story in the novel, "The Pacific Journal of Adam Ewing". "The Ghastly Ordeal" is then adapted into a film, which is watched by Sonmi-451 in the fifth story, and Sonmi's Orison is then watched by Zachry in "Sloosha's Crossin' an' Everythin' After".
* Creator/KimNewman first introduced ''Literature/TheSecretsOfDrearcliffGrangeSchool'' as a fictional novel within ''An English Ghost Story'' (which includes a section supposedly taken from the novel), but then wrote it in real life.
* Creator/ChuckPalahniuk occasionally references his book ''Literature/FightClub'' in his other works. Usually with another character making fun of the film?s AdaptionDisplacement by questioning, "What book?"
* Creator/RobertRankin's sixth ''Brentford'' novel, ''Sex and Drugs and Sausage Rolls'', is about the characters creating a stage show based on Rankin's novel ''Armageddon: The Musical''.
* Creator/RainbowRowell: ''Literature/CarryOn'' is, per WordOfGod, a fanfic of the ''Simon Snow'' series, which exists in the universe of ''Literature/{{Fangirl}}''. Both books are written by Creator/RainbowRowell.
* In Raymond Smullyan's ''The Chess Mysteries of Sherlock Holmes'', its companion volume ''The Chess Mysteries of the Arabian Knights'' exists as a manuscript by "[[SdrawkcabAlias Nayllums Dnomyar]]". Holmes finds the manuscript in Captain Marston's library, and it proves to be the key to decoding the location of Marston's treasure.
* Creator/CatherynneMValente initially mentioned ''Literature/TheGirlWhoCircumnavigatedFairylandInAShipOfHerOwnMaking'' as a fictional children's book within her novel ''Literature/{{Palimpsest}}'', but then wrote it and several sequels in real life.
* {{Web Serial Novel}}s by Creator/{{Wildbow}}:
** In the ''Literature/{{Parahumans}}'' series, a young adult book and film series, ''Maggie Holt'' seems to be based on the exploits of the character of the same name from ''Literature/{{Pact}}'' (who is a secondary character there, not the protagonist).
** Conversely, in ''Literature/{{Pact}}'', the tabletop game ''Weaverdice'', which is based on the Parahumans universe, is mentioned.
[[/folder]]
[[folder:Live-Action TV]]
* William Dozier: ''Series/Batman1966'': One episode features Bruce and Dick watching ''Series/TheGreenHornet'' - also produced by showrunner William Dozier - on TV. This in no way precludes Batman and Robin actually teaming up with the Hornet and Kato later in the season.
* Creator/NeilGaiman: ''Series/GoodOmens2019'': In "The Doomsday Option", a soldier outside the base is reading ''Literature/AmericanGods'', another Creator/NeilGaiman-penned work.
* Lee Goldberg: In the ''Series/{{Monk}}'' episode "[[Recap/MonkS4E12MrMonkAndTheCaptainsMarriage Mr. Monk and the Captain's Marriage]]", one character has been reading ''Series/DiagnosisMurder'' book "[[Literature/DiagnosisMurderTheWakingNightmare The Waking Nightmare]]" by Lee Goldberg.
* Creator/DanHarmon: ''{{Series/Community}}'': in Season 5 Episode 6, Abed and Rachel are seen watching Dan Harmon's other big series ''WesternAnimation/RickAndMorty'' during the ending montage.
* Creator/StephenKing: In ''Series/KingdomHospital'' several characters are seen reading King novels, including ''Literature/{{Misery}}'' and ''Literature/BagOfBones.''
[[/folder]]
[[folder:Video Games]]
* Creator/ChillasArt: ''VideoGame/{{Parasocial}}'': The game starts off with Niina doing a livestream where she plays a top down version of VideoGame/AkaManto, one of Chilla's earlier games, but she soon quits after finding it too difficult. This ends up kicking off the plot, as she ask the chat for a new game to play.
* ''VisualNovel/DanganronpaV3KillingHarmony'': TheReveal has it where [[spoiler:the previous entries in the franchise are treated as such when Tsumugi revealed that after the success of the original Danganronpa, Team Danganronpa decided to turn the franchise into a reality show by brainwashing people into thinking that they are actually Danganronpa characters. The fact that Tsumugi can cosplay as the characters from the first and second games are what gets the group to realize those characters are fictional as Tsumugi can't cosplay as real people.]]
* Creator/GameFreak: In the original ''VideoGame/PokemonRedAndBlue'' not only there is a ConsoleCameo of the UsefulNotes/SuperNintendoEntertainmentSystem, but the game in the console is ''VideoGame/MarioAndWario''.
* Creator/NomnomNami:
** ''VisualNovel/HerTearsWereMyLight'' is an odd case. In the ''VideoGame/LonelyWolfTreat'' games, there are two characters named Thyme and Spice who claim to be fans of the aforementioned story and like to cosplay as its main characters Time and Space. However, the webcomic ''another piece of candy'' [[https://another-piece-of-candy.thecomicseries.com/comics/214/ would later reveal]] that Thyme and Spice are [[GodInHumanForm mortal incarnations]] of Time and Space. So basically, Time and Space were reborn in an alternate universe where [[RecursiveCanon their own universe is a work of fiction]].
** ''VideoGame/{{KAIMA}}'' appears as a film series in ''Mermaid Splash! Passion Festival'' and [[https://another-piece-of-candy.thecomicseries.com/comics/227/ as an anime]] in ''another piece of candy''.
** ''VisualNovel/SyrupAndTheUltimateSweet'' apparently exists as a video game in the world of ''Mermaid Splash!'', judging by the fact that [=CiCi=] is an avid Syrup x Butterscotch shipper.
* Creator/KotaroUchikoshi: In ''VideoGame/AITheSomniumFiles'' characters mention that ''VisualNovel/NineHoursNinePersonsNineDoors'' is stated to have a movie adaptation in development.
[[/folder]]
[[folder:Web Comics]]
* Creator/RickGriffin: In ''Webcomic/AAndHClub'' the main characters go to [[https://www.rickgriffinstudios.com/comic-post/ah-club-5-p24/ a movie]] based on Griffin's novel ''[[Literature/HayvenCelestia Traitors, Thieves, and Liars]]'' in one arc.
* Creator/AndrewHussie: ''Webcomic/{{Homestuck}}'': The webcomic ''Webcomic/SweetBroAndHellaJeff'', which predates ''Homestuck'', was later integrated into it as a ShowWithinAShow. Within ''Homestuck'' canon, it is created by the character Dave Strider. In real life, both comics are created by Creator/AndrewHussie.
* Mastergodai: In the world of ''Webcomic/{{Rascals}}'' the artist's other comic [[https://knuckle-up.kemono.cafe/ Knuckle Up]] is a cheesy sci-fi show in which the [[GenderBender Gender Bent]] protagonist is played by a pair of HalfIdenticalTwins.
* Alice Oseman: Several characters in ''Webcomic/{{Heartstopper}}'' are seen in the background reading other books by ''Heartstopper'' author Alice Oseman.
* Jan Tigerknight: In ''Webcomic/NineToNine'' Tor and Andrea (aka "Silver") make ''Webcomic/SwordsAndSausages'' as a series of web videos. Explaining how the characters can be in both comics but have drastically different personalities (especially [[ShrinkingViolet Andrea]]/[[LovableRogue Silver]]). Though Andrea once stumbled upon a portal to the [[https://www.tigerknight.com/99/2019-10-13 "S&S" verse]].
[[/folder]]
[[folder:Western Animation]]
* Marvel: In ''WesternAnimation/HitMonkey'', Akiko is shown reading ''ComicBook/ThePunisher'' in her home.
* Creator/MattGroening: ''WesternAnimation/TheSimpsons'': In [[Recap/TheSimpsonsS15E17MyBigFatGeekWedding My Big Fat Geek Wedding]] the characters meet Creator/MattGroening at a sci-fi convention and recognize him as the creator of ''WesternAnimation/{{Futurama}}.'' Years later, The Simpsons would get a [[Recap/TheSimpsonsS26E6Simpsorama crossover episode]] with Futurama.
* Creator/{{Nickelodeon}}:
** ''WesternAnimation/TheLoudHouse'': In one episode, a TV seems to be playing ''WesternAnimation/SpongeBobSquarePants'' in the background.
** ''WesternAnimation/{{Rugrats}}'': Their TwelveSpoofsOfChristmas song has Nickelodeon being the thing the babies watched on the Second Day of Christmas.
* Creator/TreyParkerAndMattStone: The ''WesternAnimation/SouthPark'' episode "A Very Crappy Christmas" features the four boys creating ''WesternAnimation/TheSpiritOfChristmas''.
[[/folder]]
Some writers would rather spend all that worldbuilding time creating new standalone works, but that doesn't mean that their characters in another work can just sit around watching blank screens.
Sometimes, a creator has two or more separate works of fiction that can't be part of the same universe, usually due to incompatible genres (e.g. a modern setting and SpeculativeFiction), but one work could work as a work of fiction in the universe of another work. When a creator introduces one of their stories into one of their others as an InUniverse work of fiction, you get this trope.
This helps advertise the creator's other works, acting as a form of ProductPlacement for the creator.
Oftentimes the work being presented as fiction within fiction will be a different medium in the fictional universe, i.e. a film or tv series instead of a comic or book, which might be part of the creator's fantasy of getting their work adapted to a more "glamorous" medium. On the other hand, the characters might proclaim their creator's other work to be schlocky trash.
A SubTrope of CompanyCrossReferences. Contrast CanonWelding, when two works initially presented as separate are later established to be the same universe.
----
[[folder:Anime and Manga]]
* Creator/GoshoAoyama frequently cross-promotes his various manga series this way; maybe the best-known example is Ch. 2 of ''Manga/CaseClosed'', which features Vol. 1 of his first series ''Manga/MagicKaito'' in the Kudos' library - ''long'' before the two series were kinda-sorta [[CanonWelding canon-welded]] into each other.
* ''Anime/KujibikiUnbalance'' started as a ShowWithinAShow that the characters in ''Manga/{{Genshiken}}'' would often be seen reading the manga and cosplaying as. When Genshiken got an anime adaptation, clips for ''Kujibiki Unbalance'' were specifically made to be shown on televisions within the narrative, and those same clips would later be repurposed within it's own anime adaptation.
* Masahiro Totsuka: In one episode of ''Anime/BambooBlade'', Tamaki saves up money to buy the DVD Box sets of a anime called ''Material Puzzle''. This is the title of a fantasy manga created by Masahiro Totsuka before Bamboo Blade, though it was never adapted into a anime IRL.
* TsuburayaProductions: The 2018 anime ''Anime/SSSSGridman'' and its sequel ''Anime/SSSSDynazenon'' treat the ''Franchise/UltraSeries'' as an in-universe franchise, with characters owning merchandise, mentioning stage shows or otherwise referencing ''Ultraman'' media and characters as fictional.
* Miki Yoshikawa: In ''Manga/YamadaKunAndTheSevenWitches'', as an excuse to spend time with Shiraishi after school, Yamada starts dropping by a bookstore with her to buy volumes of the light novel series ''There's No Way This Bad Boy Would Fall For Ms. Four-Eyes!!'' by Mikihiko Yoshikawa, a play on Yoshikawa's earlier manga series ''Manga/FlunkPunkRumble''[[note]]The light novel's title is an expanded version of the original Japanese title ''Yankee-kun to Megane-chan'', meaning ''Delinquent Boy and Glasses Girl''[[/note]], with some differences in character design. Oddly, ''Flunk Punk Rumble'''s Daichi Shinagawa had previously made a cameo appearance, and the first appearance of the light novel came right after a crossover special between the two series, with the anime including other cameos of the characters.
[[/folder]]
[[folder:Comic Books]]
* Creator/MattGroening: In ''ComicBook/TheSimpsonsFuturamaCrossoverCrisis'' ''The Simpsons'' exists as a comic book in the ''Futurama'' comics canon just as ''The Simpsons'' exists as a show in the ''Futurama'' series. -- both are Matt Groening properties produced by his comic book label, Bongo Comics. The plot kicks off when the Brain Spawn return and trap the Planet Express crew inside one of Fry's issues of ''The Simpsons''.
* The idea behind ''ComicBook/TheMultiversity'' is that every universe in the Creator/DCComics multiverse has comics that portray the events of other universes. For example, ''Mastermen'' shows Hitler reading a ''American Crusader'' comic, depicting the champion of Earth 8, while ''Pax Americana'' shows Captain Atom reading ''Ultra Comics'', which depicts events in Earth 33.
* Creator/PatShand: In ''ComicBook/ISummonedCthulhuToFundMyKickstarter'', Pat is trying to get people to buy ''Prophecy Lesbians'', which is Shand's ''ComicBook/DestinyNY'' in all but name.
[[/folder]]
[[folder:Films - Live-Action]]
* Creator/CharlieKaufman: At one point in ''Film/{{Adaptation}}'', Charlie is seen working on ''Film/BeingJohnMalkovich'', for which he wrote the script.
* Ted Sikora: ''ComicBook/ApamaTheUndiscoveredAnimal'' is a comic-book supposedly created by David, the protagonist of the independent film ''Film/HeroTomorrow''. Both were created by Ted Sikora. The comic also features a fictionalized version of ''Nothing Like Vaudeville'', a musical that was also created by Sikora.
* Tom Six: Each of the sequels to ''Film/TheHumanCentipede'' portray the previous film as being a work of fiction InUniverse, with the depraved acts depicted in the previous work inspiring the VillainProtagonist of the subsequent film. The alternate ending to the third film takes this into MindScrew territory, with [[spoiler:Dr. Heiter, the creator of the centipede from the original film, apparently ''dreaming the events of the third movie]].
[[/folder]]
[[folder:Literature]]
* Creator/IsaacAsimov's short story "Gold" is about efforts to adapt the second part of his novel ''Literature/TheGodsThemselves'' into a holographic movie.
* Creator/MaxBrooks: Although never mentioned specifically by name, ''Literature/TheZombieSurvivalGuide'' exists in Brooks' later novel ''Literature/WorldWarZ''. A couple characters refer to it in [[SelfDeprecation less than complimentary terms]].
* Creator/RoaldDahl: ''Literature/DannyTheChampionOfTheWorld'': Zigzagged. Danny's father tells him ''Literature/TheBFG'' like it's a story, but he also claims to have met the BFG. However, he [[MaybeMagicMaybeMundane says it in a joking sort of way]].
* Creator/PhilipKDick: '' Literature/{{VALIS}}'': At one point, the characters become obsessed with the in-story film also named ''Valis'' and how it seems to parallel events from their own lives. This ties into the novel's [[UsefulNotes/{{Gnosticism}} Gnostic themes]] (the film is a sign from a higher power that time is a cycle and the physical world is an illusion) but the {{Doylist}} reason is that ''Valis'' the film is based on Creator/PhilipKDick's very early draft of ''VALIS'' the novel, from back when it was still under the working title ''Valisystem A''. (Years later, Dick's ''Valisystem A'' draft would be posthumously published as a standalone story, under the new title ''Radio Free Albemuth''.)
* Christine Ha: ''Literature/RoysBedoys'': The characters watch ''WebAnimation/{{Chijimon}}'', a web series that was also created by.
* Creator/KazumaKamachi: In later volumes of ''Literature/ACertainMagicalIndex'', there may be one-shot scenes of someone watching something that is based on Kamachi's other works. In NT Volume 1, the B-movie that Shiage Hamazura and Saiai Kinuhata end up watching is ''Literature/HeavyObject''. In NT Volume 11, a scene from ''Literature/TheZashikiWarashiOfIntellectualVillage'' is playing on a TV screen in a restaurant where Misaki Shokuhou is eating lunch.
* Creator/DavidMitchellAuthor: ''Literature/CloudAtlas'' has a nested story structure, and at least some of them are fictional in-universe; the fourth story, "The Ghastly Ordeal of Timothy Cavendish", mentions that Cavendish, a publishing agent, read the third story, "Half-Lives", as a fictional narrative. "Half-Lives" includes Sixsmith from the previous story, "Letters from Zedelghem", in which the primary character reads the first story in the novel, "The Pacific Journal of Adam Ewing". "The Ghastly Ordeal" is then adapted into a film, which is watched by Sonmi-451 in the fifth story, and Sonmi's Orison is then watched by Zachry in "Sloosha's Crossin' an' Everythin' After".
* Creator/KimNewman first introduced ''Literature/TheSecretsOfDrearcliffGrangeSchool'' as a fictional novel within ''An English Ghost Story'' (which includes a section supposedly taken from the novel), but then wrote it in real life.
* Creator/ChuckPalahniuk occasionally references his book ''Literature/FightClub'' in his other works. Usually with another character making fun of the film?s AdaptionDisplacement by questioning, "What book?"
* Creator/RobertRankin's sixth ''Brentford'' novel, ''Sex and Drugs and Sausage Rolls'', is about the characters creating a stage show based on Rankin's novel ''Armageddon: The Musical''.
* Creator/RainbowRowell: ''Literature/CarryOn'' is, per WordOfGod, a fanfic of the ''Simon Snow'' series, which exists in the universe of ''Literature/{{Fangirl}}''. Both books are written by Creator/RainbowRowell.
* In Raymond Smullyan's ''The Chess Mysteries of Sherlock Holmes'', its companion volume ''The Chess Mysteries of the Arabian Knights'' exists as a manuscript by "[[SdrawkcabAlias Nayllums Dnomyar]]". Holmes finds the manuscript in Captain Marston's library, and it proves to be the key to decoding the location of Marston's treasure.
* Creator/CatherynneMValente initially mentioned ''Literature/TheGirlWhoCircumnavigatedFairylandInAShipOfHerOwnMaking'' as a fictional children's book within her novel ''Literature/{{Palimpsest}}'', but then wrote it and several sequels in real life.
* {{Web Serial Novel}}s by Creator/{{Wildbow}}:
** In the ''Literature/{{Parahumans}}'' series, a young adult book and film series, ''Maggie Holt'' seems to be based on the exploits of the character of the same name from ''Literature/{{Pact}}'' (who is a secondary character there, not the protagonist).
** Conversely, in ''Literature/{{Pact}}'', the tabletop game ''Weaverdice'', which is based on the Parahumans universe, is mentioned.
[[/folder]]
[[folder:Live-Action TV]]
* William Dozier: ''Series/Batman1966'': One episode features Bruce and Dick watching ''Series/TheGreenHornet'' - also produced by showrunner William Dozier - on TV. This in no way precludes Batman and Robin actually teaming up with the Hornet and Kato later in the season.
* Creator/NeilGaiman: ''Series/GoodOmens2019'': In "The Doomsday Option", a soldier outside the base is reading ''Literature/AmericanGods'', another Creator/NeilGaiman-penned work.
* Lee Goldberg: In the ''Series/{{Monk}}'' episode "[[Recap/MonkS4E12MrMonkAndTheCaptainsMarriage Mr. Monk and the Captain's Marriage]]", one character has been reading ''Series/DiagnosisMurder'' book "[[Literature/DiagnosisMurderTheWakingNightmare The Waking Nightmare]]" by Lee Goldberg.
* Creator/DanHarmon: ''{{Series/Community}}'': in Season 5 Episode 6, Abed and Rachel are seen watching Dan Harmon's other big series ''WesternAnimation/RickAndMorty'' during the ending montage.
* Creator/StephenKing: In ''Series/KingdomHospital'' several characters are seen reading King novels, including ''Literature/{{Misery}}'' and ''Literature/BagOfBones.''
[[/folder]]
[[folder:Video Games]]
* Creator/ChillasArt: ''VideoGame/{{Parasocial}}'': The game starts off with Niina doing a livestream where she plays a top down version of VideoGame/AkaManto, one of Chilla's earlier games, but she soon quits after finding it too difficult. This ends up kicking off the plot, as she ask the chat for a new game to play.
* ''VisualNovel/DanganronpaV3KillingHarmony'': TheReveal has it where [[spoiler:the previous entries in the franchise are treated as such when Tsumugi revealed that after the success of the original Danganronpa, Team Danganronpa decided to turn the franchise into a reality show by brainwashing people into thinking that they are actually Danganronpa characters. The fact that Tsumugi can cosplay as the characters from the first and second games are what gets the group to realize those characters are fictional as Tsumugi can't cosplay as real people.]]
* Creator/GameFreak: In the original ''VideoGame/PokemonRedAndBlue'' not only there is a ConsoleCameo of the UsefulNotes/SuperNintendoEntertainmentSystem, but the game in the console is ''VideoGame/MarioAndWario''.
* Creator/NomnomNami:
** ''VisualNovel/HerTearsWereMyLight'' is an odd case. In the ''VideoGame/LonelyWolfTreat'' games, there are two characters named Thyme and Spice who claim to be fans of the aforementioned story and like to cosplay as its main characters Time and Space. However, the webcomic ''another piece of candy'' [[https://another-piece-of-candy.thecomicseries.com/comics/214/ would later reveal]] that Thyme and Spice are [[GodInHumanForm mortal incarnations]] of Time and Space. So basically, Time and Space were reborn in an alternate universe where [[RecursiveCanon their own universe is a work of fiction]].
** ''VideoGame/{{KAIMA}}'' appears as a film series in ''Mermaid Splash! Passion Festival'' and [[https://another-piece-of-candy.thecomicseries.com/comics/227/ as an anime]] in ''another piece of candy''.
** ''VisualNovel/SyrupAndTheUltimateSweet'' apparently exists as a video game in the world of ''Mermaid Splash!'', judging by the fact that [=CiCi=] is an avid Syrup x Butterscotch shipper.
* Creator/KotaroUchikoshi: In ''VideoGame/AITheSomniumFiles'' characters mention that ''VisualNovel/NineHoursNinePersonsNineDoors'' is stated to have a movie adaptation in development.
[[/folder]]
[[folder:Web Comics]]
* Creator/RickGriffin: In ''Webcomic/AAndHClub'' the main characters go to [[https://www.rickgriffinstudios.com/comic-post/ah-club-5-p24/ a movie]] based on Griffin's novel ''[[Literature/HayvenCelestia Traitors, Thieves, and Liars]]'' in one arc.
* Creator/AndrewHussie: ''Webcomic/{{Homestuck}}'': The webcomic ''Webcomic/SweetBroAndHellaJeff'', which predates ''Homestuck'', was later integrated into it as a ShowWithinAShow. Within ''Homestuck'' canon, it is created by the character Dave Strider. In real life, both comics are created by Creator/AndrewHussie.
* Mastergodai: In the world of ''Webcomic/{{Rascals}}'' the artist's other comic [[https://knuckle-up.kemono.cafe/ Knuckle Up]] is a cheesy sci-fi show in which the [[GenderBender Gender Bent]] protagonist is played by a pair of HalfIdenticalTwins.
* Alice Oseman: Several characters in ''Webcomic/{{Heartstopper}}'' are seen in the background reading other books by ''Heartstopper'' author Alice Oseman.
* Jan Tigerknight: In ''Webcomic/NineToNine'' Tor and Andrea (aka "Silver") make ''Webcomic/SwordsAndSausages'' as a series of web videos. Explaining how the characters can be in both comics but have drastically different personalities (especially [[ShrinkingViolet Andrea]]/[[LovableRogue Silver]]). Though Andrea once stumbled upon a portal to the [[https://www.tigerknight.com/99/2019-10-13 "S&S" verse]].
[[/folder]]
[[folder:Western Animation]]
* Marvel: In ''WesternAnimation/HitMonkey'', Akiko is shown reading ''ComicBook/ThePunisher'' in her home.
* Creator/MattGroening: ''WesternAnimation/TheSimpsons'': In [[Recap/TheSimpsonsS15E17MyBigFatGeekWedding My Big Fat Geek Wedding]] the characters meet Creator/MattGroening at a sci-fi convention and recognize him as the creator of ''WesternAnimation/{{Futurama}}.'' Years later, The Simpsons would get a [[Recap/TheSimpsonsS26E6Simpsorama crossover episode]] with Futurama.
* Creator/{{Nickelodeon}}:
** ''WesternAnimation/TheLoudHouse'': In one episode, a TV seems to be playing ''WesternAnimation/SpongeBobSquarePants'' in the background.
** ''WesternAnimation/{{Rugrats}}'': Their TwelveSpoofsOfChristmas song has Nickelodeon being the thing the babies watched on the Second Day of Christmas.
* Creator/TreyParkerAndMattStone: The ''WesternAnimation/SouthPark'' episode "A Very Crappy Christmas" features the four boys creating ''WesternAnimation/TheSpiritOfChristmas''.
[[/folder]]
