History Series / OnlyMurdersInTheBuilding

** Also in that same episode, when Mabel asks Charles if he is seeing Jan anew, Charles remarks he isn't.

* {{Foreshadowing}}:
** Mabel is introduced describing her fantasies of killing an intruder with a knitting needle. [[spoiler:The first season ends with Bunny being killed by a knitting needle in Mabel's aunt's apartment, making Mabel a prime suspect in the murder.]]
** When Charles and Oliver are commiserating about Mabel's possible sketchiness, Vaughn in "Twist" compares Mabel to mistletoe, saying that "the very few thing that encourages people to kiss" is also deadly. [[spoiler:That doesn't apply to Mabel, but it applies to both of the real Season 1 killers. Theo killed Zoe (albeit accidentally) due to their relationship (he had given her a ring and they got in a drunken argument when Teddy insisted he get it back). The BigBad, Jan, killed Tim and tried to kill Charles because she was convinced that both were leaving her.]]
** At the end of "Twist", Teddy Dimas asks Oliver and Charles to make more episode "with lots of juicy twists and turns", and that he feels "like a proud papa." [[spoiler:The next episode has the trio unearth the major twist that Teddy's beloved son Theo is Zoe's actual killer.]]
** At the end of Season 1, Cinda and Poppy are the first reporters on the scene while the trio are being led out post-arrest. Poppy already reads out the podcast name - "Only ''Murderers'' in the Building". [[spoiler:How did they get there so quickly, and is Poppy just ''that'' good to make up a podcast name on the spot? No; Poppy murdered Bunny, and she had the title ready to go because it was all for the podcast anyway.]]
** In "The Tell", Oliver says that [[spoiler:"it's hard to believe [he's] related to" Will's son, who's a mathlete. He's revealed not to be Will's father, and therefore not related to his grandson, at the end of the episode.]]
** In "Performance Review", we see Poppy White sit under a poster that says "Where is Becky Butler?" [[spoiler:She's right there.]]
** Also in "Performance Review", Mabel and Alice talk about how Mabel loves being with Alice because Alice focuses on the present, not Mabel's past, while Alice is wearing Mabel's sweater. This foreshadows that [[spoiler:Alice is using Mabel and ultimately dresses up as her as part of her art exhibit.]]
** In "The Show Must...", Oliver, Charles, and Mabel return to the Arconia [[spoiler: after the supposed death of Ben Glenroy.]] As they get to into an elevator with Uma, she quips "At least you kept the body out of the building this time." At the end of the episode, [[spoiler: they find Ben murdered for real, his body dumped in the elevator shaft.]]

** In "Performance Review", we see Poppy White sit under a poster that says "Where is Becky Butler?". [[spoiler:Poppy later turns out to be Becky.]]

* GlitterLitter: {{Exploited|Trope}}. In Season 2, a glitter bomb is used as an attempt to track a suspect. The main characters miss the bomb going off, but later, the glitter is seen to still be stuck on on the person who set it off, allowing Mabel to identify them.

** Both Oliver and Charles separately seem to have also been this themselves. Charles's views on tipping, aloof nature, and difficulty remembering people's names makes him unpopular among the other Arconia residents and staff. Oliver's flamboyant and needling personality makes him quite grating to those around him, best seen with how his own son and Charles both react to him.

** [[spoiler:Detective Kreps]] for Charles. Both are [[spoiler:older men who get in whirlwind romances with much younger women who are revealed to be the killers of their respective season. Both remain besotted by the killer in question - Jan and Poppy/Becky - even after learning of her crimes. However, while Charles breaks up with Jan because of Mabel's hurt, Kreps continues to help Becky/Poppy.]]

** Oliver asks Mabel if she likes her beats and Amy Schumer tells Oliver to bring her a turkey. Both are Lampshaded as call-backs.

** Near the end of the first season finale, Charles imagines himself standing up and telling Jan to shoot him instead of Oliver or Mabel because he finally found his life fulfilling and does not wish to live without them. He ends up mumbling because he is still reeling from the impact of Jan's poison.

* NoodleIncident: Charles repeatedly blanks during rehearsals of his solo in Oliver's musical, mentally disappearing into a "white room" and only coming to at the end of an unspeakably disgusting and offensive performance, not shown on screen. Oliver is outraged at the "filth" from Charles, Howard asks to be excused to call his therapist, and another onlooker, deeply offended as a Christian, rushes out to consult a priest.

* NoodleIncident: Charles repeatedly blanks during rehearsals of his solo in Oliver's musical, mentally disappearing into a "white room" and only coming to at the end of an unspeakably horrifying performance. His actual performances are never shown on screen, but Charles ends up pantsless, sitting in a bassinet, while prop baby dolls are strewn across the floor or hanging from a chandelier. The audience is uniformly horrified and disgusted - Howard asks to be excused to call his therapist, and another onlooker, deeply offended as a Christian, rushes out to consult a priest.

* {{Reboot}}: In season 2, Charles is offered the chance to appear in a reboot of his show ''Brazzos'' as the uncle of the new Brazzos.
* RebootSnark: Charles Haden-Savage is a washed-up actor whose biggest claim to fame was being the star of a long-running ShowWithinAShow about a detective, ''Brazzos''. After his podcast blows up, he gains newfound notoriety and in season 2 is offered to star in a ''Brazzos'' reboot. Though he is initially overjoyed to receive the call, his excitement dims when he learns it's a SpinOffspring revival and he'll be playing the mentor "Uncle Brazzos" role to a new, younger Brazzos.

* TheCameo: [[spoiler:Creator/MelBrooks appears via FaceTime in Season 3 when Oliver is at his wit's end dealing with Matthew Broderick]].

* AllGaysLoveTheatre: All the ''male'' gays, anyway. Mabel is bisexual, but disinterested in theatre. Jonathan, Howard, Bobo, and Cliff are all gay men who are passionate theatre lovers.