History Recap / TitansS4E9DudeWheresMyGar

** After returning to the nexus between universes, Gar then glimpses [[Series/SwampThing2019 Alec Holland in his swamp]] and [[Film/Shazam2019 Billy Batson / Shazam flying across Pittsburgh]] before the incident detailed in CreatorCameo.

** Then, in a series of audio-only cameos, Gar is assaulted by the voices of [[WesternAnimation/HarleyQuinn2019 Harley Quinn]], [[Series/{{Smallville}} Doctor Fate]], [[Film/SupermanTheMovie Jonathan Kent]], and [[Series/Batman1966 three]] [[Film/Batman1989 versions of]] Film/{{The Joker|2019}}.

** Then, in a series of audio-only cameos, Gar is assaulted by the voices of [[WesternAnimation/HarleyQuinn2019 Harley Quinn, the Joker]], [[Series/{{Smallville}} Doctor Fate]], [[Film/SupermanTheMovie Jonathan Kent]], and [[Series/Batman1966 another version of the Joker]].

** After returning to the nexus between universes, Gar then glimpses [[Series/SwampThing2019 Alec Holland in his swamp]] and [[Film/Shazam2019 Billy Batson / Captain Marvel flying across Pittsburgh]] before the incident detailed in CreatorCameo.

* ThemeTuneCameo: An abbreviated version of Pinrar Toprak's Stargirl theme plays after Beast Boy acknowledges her as another hero.

** Finally, [[Series/DoomPatrol Jovian Wade's Cyborg]] makes an appearance at the ending of the episode, being the one to find Gar.

* WhamShot: When Gar sees the signature of Dr. Niles Caulder (aka Chief from the Doom Patrol and the man who saved him from the Green Plague) on documents in the lab that ''created'' the Green Plague.

* TheReveal: Caulder engineered the outbreak that killed Gar and nearly killed him, only to save Gar as part of his plan to eventually achieve immortality.

* MythologyGag: The letter that Gar reads is addressed to Avery Sunderland, expressing Niles Caulder's disinterest in [[ComicBook/SwampThing The Green and Swamp Thing.]]

* AmbiguousSituation: The appearance of the ''Teen Titans Go!'' Beast Boy is one since he appears on a television. Is this the "real world" where the show exists, or given that the characters often show some MediumAwareness is this just reflecting that and is actually the ''Go!'' reality.

* EtTuBrute: Downplayed in that the Chief isn't present in the scene, but Gar is ''horrified' to learn that the man who saved his life also killed his parents.

* ThemeTuneCameo: An abbreviated version of Pinrar Toprak's Stargirl theme plays after Beast Boy acknowledges her as another hero.

** He's then knocked into another Earth by a bolt of red lightning, where he is confronted by [[Characters/Stargirl2020 Courtney Whitmore and the Cosmic Staff.]]

* TheMultiverse: The episode has [[TheCameo cameos]] from several characters that reconfirms that ''Titans'' exists in the multiverse established by ''Series/CrisisOnInfiniteEarths2019''. However it also confirms that ''WesternAnimation/HarleyQuinn2019'' exists as an AlternateUniverse, as does ''Film/SupermanTheMovie'' (assuming that it isn't meant to be the same reality as [[Film/SupermanReturns Earth-96]]) and potentially ''WesternAnimation/TeenTitansGo'' (while ''Go!'' Beast Boy only appears within a television, the characters are often shown to be aware that they are fictional leaving this an AmbiguousSituation).

* TheMultiverse: The episode has [[TheCameo cameos]] from several characters that reconfirms that ''Titans'' exists in the multiverse established by ''Series/CrisisOnInfiniteEarths2019''. However it also confirms that ''WesternAnimation/HarleyQuinn2019'' exists as an AlternateUniverse, as does ''Film/SupermanTheMovie'' (assuming that it isn't meant to be the same reality as [[Film/SupermanReturns Earth-96]] and potentially ''WesternAnimation/TeenTitansGo'' (while ''Go!'' Beast Boy only appears within a television, the characters are often shown to be aware that they are fictional leaving this an AmbiguousSituation).

* TheMultiverse: The episode has [[TheCameo cameos]] from several characters that reconfirms that ''Titans'' exists in the multiverse established by ''Series/CrisisOnInfiniteEarths2019''.

** Finally, [[Series/DoomPatrol Jovian Wade's Cyborg makes an appearance at the ending of the episode, being the one to find Gar]].
* CreatorCameo: Creator/GrantMorrison, creator of The Red, briefly appears to and interacts with Beast Boy.

** After returning to the nexus between universes, Gar then glimpses [[Series/SwampThing2019 Alec Holland in his swamp]] and [[Film/Shazam2019 Billy Batson / Captain Marvel flying across the city]] before the incident detailed in CreatorCameo.

* CreatorCameo: Creator/GrantMorrison, creator of The Red, briefly appears to and interacts with Beast Boy, asking if he can see them.

** Then, in a series of audio-only cameos, Gar is assaulted by the voices of [[WesternAnimation/HarleyQuinn2019 Harley Quinn, the Joker]], [[Series/{{Smallville}} Doctor Fate]] [[Film/SupermanTheMovie Jonathan Kent]], and [[Series/Batman1966 another version of the Joker]].

** The sequence starts with a glimpse into [[Series/Arrowverse Earth-Prime]], where Gar witnesses [[Series/TheFlash2014 Barry Allen sprinting through Central City]].

** The sequence starts with a glimpse into [[Franchise/Arrowverse Earth-1]], where Gar witnesses [[Series/TheFlash2014 Barry Allen sprinting through Central City]].