History Main / MustBeInvited

** In another story, vampire policewoman Sally von Humperding is refused entry into a hotel in Far Überwald, who know all about vampires trying to get in by night, and aren't having it. The person she needs to speak to inside the hotel is a Witch who is renting a room there. After some thought, the Witch [[RulesLawyering finds a strategy]] to get around the "Vampires Can Not Enter This Building rule. Sally then discovers she has limited access.

* ''WesternAnimation/AdventureTime'':
** In the episode "May I Come In?", the gang deals with a vampire called Hierophant, who is beholden to the old ways, which includes needing an invitation. Peppermint Butler knows this and taunts him from the door. Later, Jake turns into a house for the others to hide in, and again Hierophant can't go in. [[spoiler:Hierophant is finally defeated when a random character accidentally bumps into him and knocks him inside House Jake. He freaks out about entering without an invitation and turns to dust.]] Curiously, none of the other vampires have this problem - the Hierophant seemed to be holding ''himself'' to a certain standard, as a self-proclaimed "old-school vampire".
** Subverted with the titular entities in "Blank Eyed Girl", who all come and go as they please despite the legends to the contrary.

* In the original ''Film/BuffyTheVampireSlayer'' movie, during the final assault on the school dance by the vampire hoard, Buffy tells the students they will be safe because the vampires cannot come in uninvited. Her friend then sheepishly mentions that they were already invited -- they had all been seniors at the school, and so had received invitations to the dance.

* ''TabletopGame/WarhammerFantasyRoleplay'': While this particular weakness is rare among other vampires, Necrarchs find it almost impossible to enter a building that mortals made a home unless expressly invited — trying to do so otherwise will cause them great physical harm if they manage it at all. It is believed to be a weakness specifically created by Nagash to make it difficult for the most magically potent bloodline to leave their libraries.

** There's also plenty of discussion on how clever vampires will get around the restriction. In the first ''Angel'' episode, "[[Recap/{{AngelS01E01CityOf}} City of]]", a rich vampire, Russell Winters, would set pretty girls up in apartments he owned. Since technically they were ''his'' guests, he could come and go as he wished – and eat them. When Spike showed up later in "[[Recap/{{AngelS01E03InTheDark}} In the Dark]]", the characters tell Cordelia she shouldn't go back to her place, as Spike could just burn it down to get to her.

* Subtly referenced in ''WesternAnimation/Castlevania2017''. When {{Dracula}} is shown in a flashback gathering an army for his destruction of mankind, he visits Isaac's home and asks to be invited inside, which Isaac obliges. Given that this version of Dracula is a powerful SorcerousOverlord who wouldn't usually care about being invited into a place, it's ambiguous if he actually ''needed'' to be invited or if it's simply a polite courtesy he extended to [[UndyingLoyalty Isaac]] in particular.

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* ''TabletopGame/WarhammerFantasyRoleplay'': While this particular weakness is rare among other vampires, Necrarchs find it almost impossible to enter a building that mortals made a home unless expressly invited — trying to do so otherwise will cause them great physical harm if they manage it at all.

* Inverted in ''VideoGame/DarkestDungeon'''s DLC. In order to access the Courtyard and battle the Crimson Court (which are the local take on vampires), you must be InvitedAsDinner; you cannot enter the Courtyard without a formal invitation. You can get one from a wandering Gatekeeper after killing it.

* AvertedTrope in ''Series/ForeverKnight'' despite its vampires having the other classic vampire weaknesses. This is because it would be inconvenient if VampireDetective Nick Knight can't enter a perp's place without an invite. You could argue that a search warrent would apply, but it's [[CowboyCop not like Nick always waits for one]].

* Also averted with ''Series/ForeverKnight'' for the same reason. Kinda inconvenient if a cop can't enter a perp's place without an invite.

* ''Series/DoctorWho'': In "[[Recap/DoctorWhoS37E1TheWomanWhoFellToEarth The Woman Who Fell to Earth]]", the Stenza species hold ritual hunts on other planets, in this case Earth, and they must be given permission before their travel pods can be teleported to their destination. Unfortunately, the permission takes the form of a glowing button with no instructions, so all it takes is a human ignorantly pressing it to give consent.

SubTrope of SupernaturalRepellent. Related to SacredHospitality, which also treats the etiquette of hospitality as SeriousBusiness. InvitedAsDinner, in which the predator invites the unwitting prey instead of the other way around, can be considered an inversion of the examples regarding vampires.

** In one episode, when Hsi Wu, one of Shendu's demon brethren, gets released into the mortal world, he winds up losing his tail in the proce. Jackie Chan and company manage to catch the tail and take it back to Uncle's shop. Knowing that the demon would want to come back for the tail, Uncle puts a ProtectiveCharm on the shop which will keep all demons out unless invited inside. Hsi Wu then tricks Jade into inviting him inside by disguising himself as a boy at her school and pretending to be her friend.

* In ''VideoGame/LeagueOfLegends'', all demons have this restriction. [[TheVamp Evelynn]] can't hurt anyone who doesn't lust after her. Tahm Kench can't do anything without making a DealWithTheDevil with his victim (in his lore story, he explicitly states that he needs someone to "let [him] in"). Nocturne can't do anything to people who aren't feeling fear in their dreams.

** It should also be noted that this only applies to ''human'' residences; vampires and other demons have no such protection. Angel, in the episode "[[Recap/{{AngelS01E11Somnambulist}} Somnambulist]]" from the first season, breaks into the apartment of his vampiric ex-protégé Penn with no trouble. This also applies to half-demons such as Connor or Billy Blim, even if ordinary humans also live there.

Its applications to different types of supernatural creatures have expanded over the years. More often than not the [[UrExample original conceptions]] of these mythical creatures are identifiable by this trope. Today, this requisite is almost exclusively associated with [[OurVampiresAreDifferent vampires]], a mark ''Literature/{{Dracula}}'' left on vampire fiction, but creatures like [[OurGhostsAreDifferent ghosts]] and [[OurDemonsAreDifferent demons]] may also still have their hands tied until an RSVP reaches them.

Its applications to different types of supernatural creatures have expanded over the years. More often than not the [[UrExample original conceptions]] of these mythical creatures are identifiable by this trope. Today, this requisite is almost exclusively associated with [[OurVampiresAreDifferent vampires]], a mark ''Literature/{{Dracula}}'' left on vampire fiction, but creatures like [[OurGhostsAreDifferent ghosts]] and [[OurDemonsAreDifferent demons]] may also still have their hands tied until an RSVP reached them.

Its applications to different types of supernatural creatures have expanded over the years. More often than not the [[UrExample original conceptions]] of these mythical creatures are identifiable by this trope. Oddly enough, its application to [[OurVampiresAreDifferent vampires]] [[NewerThanTheyThink begins with]] Bram Stoker-- [[Literature/VarneyTheVampire Varney]] and [[Literature/TheVampyre Lord Ruthven]], for example, never had this problem. Other creatures strongly associated with it are [[OurGhostsAreDifferent ghosts]] and [[OurDemonsAreDifferent demons]].

* Averted in ''Series/BloodTies''. On the other hand, we don't really see Henry breaking into a lot of places. Usually, he invites girls to his own place for a night of fun (they're usually fine but tired afterwards).