History YMMV / TeenTitans2003

* EnsembleDarkhorse: Quite a lot, despite their limited appearances:
** Blackfire has a pretty sizable fanbase, most likely due to her voice, her figure and her outfit.
** Kid Flash only showed up twice, but he's ''very'' well-liked by the fans. Being a suave, witty gentleman might have something to do with it.
** Red X is especially impressive. He's a character original to the animated series, and he only appears in two episodes, in only one of which is he a headlining villain. We never learn anything of his background; not even his ''real face'', but the fandom fell in love with him precisely for those reasons. It also helps that he's a suave GentlemanThief. His enduring popularity is likely why he was eventually [[CanonImmigrant integrated]] into the main comics during the ''ComicBook/DCFutureState'' event.
** [[DarkActionGirl Jinx]] is incredibly popular, particularly in Lightspeed, so her HeelFaceTurn was met with open arms.
** Argent. She only appears for a brief amount of time but has a lot of fans.
** Mumbo was said to be a one-off character created for the show, but a positive fan reaction influenced further appearance. Being voiced by Tom Kenny probably helped.
** It's safe to say Teen Titans' Killer Moth is greatly preferred over the [[MemeticLoser comic's version]], due to being [[AdaptationalBadass far more badass and cool]].
** [=HIVE=] students Kyd Wykkyd and Angel are {{Canon Foreigner}}s who [[TheVoiceless never get any dialogue]] but both have a lot of fans and fan art due to their powers, costumes, Kyd's mysterious and stoic demeanor, and the brief scene where Wkkyd is seen protecting Angel during the destruction of the [=HIVE=] academy. For Kyd, it's to the point where he's only surpassed by Jinx as the most popular H.I.V.E. member.
** Mas y Menos, Sí ¡Podemos! Despite being [[CanonForeigner original characters]] created only for the show and used mostly as comic relief, they were popular enough to end up [[CanonImmigrant in the comics.]]
** An interesting example is Beast Boy's [[SuperpoweredEvilSide Man-Beast form]], which is incredibly popular, especially in fanfiction circles, despite its debut episode, ''The Beast Within,'' being regarded as one of the most poorly written episodes of the show.

%% ** ''Mother Mae-Eye''. Enough said.
%%* TheWoobie:
%%** Often Starfire.

* CriticalDissonance: Season 5 was one of the most, if not ''the'' most, well-received season among critics and fans of the comics, who felt its tighter continuity, introduction of new characters such as Kid Flash, and more serious tone made it just as good, if not better, than the previous season. Among fans of the show, it's the most polarizing season for some of the same reasons.

* AdaptationDisplacement: The success of the series meant that the Teen Titans are Robin (specifically, Dick Grayson), ComicBook/{{Cyborg}}, ComicBook/{{Starfire}}, Beast Boy, and ComicBook/{{Raven}}, as far as most of the public is concerned. The comics have been around since the 1960s and have had dozens of members throughout the years, but good luck finding many people who recognize any outside the core five from the TV show. Most subsequent adaptations try to mimic this show's roster as a result, only swapping out a character or two.

* CommonKnowledge: It's commonly circulated that the show was cancelled and that there was supposed to be at least on more season (usually, the "evidence" is that Starfire never received her own season arc or that Terra's fate at the end of Season 5 was leading into a future subplot), though it's not as simple as that; Season 5 was a PostScriptSeason (meaning it was never planned from the beginning) as the show was supposed to end with Season 4. Season 6 ''also'' would've been a post-script season, and supposedly only made it as far as a failed pitch. The only thing close to this is that Season 5's episode count was reduced from 20 to 13.

* DeathOfTheAuthor: Despite Creator/KharyPayton and various writers confirming on multiple occasions that the series finale "Things Change" was purposefully left inconclusive as a metaphor for not being stuck in the past, there's been constant and vocal demand over the years for a series revival and to resolve its AmbiguousEnding. Even Creator/TaraStrong and Creator/CartoonNetwork got in on it by saying that a Sixth Season could occur if ''WesternAnimation/TeenTitansGoToTheMovies'' did well enough at the Box Office (while not a flop, the film ultimately didn't meet Creator/WarnerBros expectations).
* DelusionConclusion: There's a fan theory which suggests that the events of the show really happened, but ''WesternAnimation/TeenTitansGo'' is [[TakeThat all in Beast Boy's mind]].

** Nightstar, Robin/Nightwing and Starfire's daughter from ''ComicBook/KingdomCome'', is quite popular and is the subject of many a NextGenFic, even though a large fraction of fans (given much of the show's fanbase is younger people who don't follow the comics) seem to have never read the source material or just [[JustHereForGodzilla skimmed it]] for Nightstar and Robin/Starfire content. Similarly, there's the newer Jake Grayson, their son from ''ComicBook/NightwingTheNewOrder'', who is also lumped in with the family.

* ShippingGoggles: The show was the definitive starting point of many Beast Boy/Raven shippers, despite the show itself having no real intention of pairing Beast Boy and Raven romantically, shippers got their senses tingling through only a few episodes where both of them have their kind of opposites-atract-friendship on focus, such as ''The Beast Within'' and ''Hide and Seek''. This fan reaction proved itself to be very well received by DC over the years however, as Beast Boy and Raven went on to be properly paired together in several ways following the original show's run.

* SpiritualAdaptation: As noted on the main page, the series has a tone closer to the ''ComicBook/YoungJustice'' comics than the comic it was based on thanks to its mix of comedic and dark storylines. [[WhatCouldHaveBeen It was even pitched as]] a ''Young Justice'' series. Became HilariousInHindsight when an ''WesternAnimation/YoungJustice2010'' series ''was'' created and ended up being closer in tone to the original ''ComicBook/TeenTitans'' comics.

* AdaptationDisplacement: The success of the series meant that the Teen Titans are Robin (specifically, Dick Grayson), Comicbook/{{Cyborg}}, Comicbook/{{Starfire}}, Beast Boy, and Comicbook/{{Raven}}, as far as most of the public is concerned. The comics have been around since the 1960s and have had dozens of members throughout the years, but good luck finding many people who recognize any outside the core five from the TV show. Most subsequent adaptations try to mimic this show's roster as a result, only swapping out a character or two.

* AndYouThoughtItWouldFail: A ''Teen Titans'' show by itself doesn't sound too bad, but one inspired directly by ''anime'' of all things raised some eyebrows. Couple this with the silly sense of humor and the lighthearted atmosphere of the first few episodes and many fans felt that this series couldn't hope to live up to the maturity and complexity of the ''DCAU'' in any way. This was quickly proven wrong by the fourth episode, "Forces of Nature", which introduced the BigBad of Slade and immediately ramped up the quality of writing. Following this, the show began to become increasingly darker and more intense, and eventually became known for its involving and dramatic story arcs revolving around the personal struggles of the main characters, mixed deftly with comedic episodes to ease the tension. The series eventually gained a massive following and became AdoredByTheNetwork, to the point where other ''Teen Titans'' properties borrow more closely from this show than they do the original comics. The show later received a SpiritualSuccessor in ''WesternAnimation/YoungJustice'' which received its own cult following, and later gained a remake of sorts in ''WesternAnimation/TeenTitansGO'' which became a ratings juggernaut.

** In ''How Long is Forever?'' Cyborg says that Starfire's friends "Aren't friends anymore," and the villain of the episode, Warp, says that history cannot be changed, so Starfire's friends would still drift apart. Fast forward to WesternAnimation/TeenTitansGo, and the [[WithFriendsLikeThese way the Titans act]] can give off the feeling that they aren't friends in the slightest.

** Cyborg and Robin's conflict over leadership of the Titans in the end of Season 3 becomes this when, in ''WesternAnimation/YoungJustice'', Aqualad (also voiced by Khary Payton) becomes the leader of the team instead of Robin. For a while, anyway.

* MemeticMolester: This version of Slade is commonly seen as an {{Ephebophile}} by fans - [[DepravedBisexual for both boys and girls]]. It doesn't help that the dialogue at the climax of "Haunted" comes across as creepily sexual in nature, nor does it help the ending for "Birthmark" [[DoesThisRemindYouOfAnything is effectively an allegory for rape]]. Not to mention that it's implied he watched Robin change into his new costume at the end of [[https://tvtropes.org/pmwiki/pmwiki.php/Recap/TeenTitansS1E12ApprenticePartOne Apprentice - Part One]], or that Deathstroke did have a sexual relationship with the underage Terra in ComicBook/TheJudasContract.

* TheScrappy: Mento is by far the least liked member of the Doom Patrol, mainly due to his high strict standards and poor treatment of Beast Boy. He's also disliked for his arrogance in refusing to help the Teen Titans fight the Brotherhood of Evil, which would have gotten his entire team and family killed had it not been for the Titans ignoring his orders. When the character somewhat returns in Season 3 of WesternAnimation/YoungJustice, he is presented in a considerably less favorable light.

* SpiritualAdaptation: As noted on the main page, the series has a tone closer to the ''ComicBook/YoungJustice'' comics than the comic it was based on thanks to its mix of comedic and dark storylines. [[WhatCouldHaveBeen It was even pitched as]] a ''Young Justice'' series. Became HilariousInHindsight when an ''WesternAnimation/YoungJustice'' series ''was'' created and ended up being closer in tone to the original ''ComicBook/TeenTitans'' comics.

* FanPreferredCouple: The three biggest pairings in the fandom in approximate order of popularity are [[OfficialCouple Robin/Starfire]], [[OppositesAttract Beast Boy/Raven]], and [[BirdsOfAFeather Robin/Raven]]. They have had varying degrees of staying power in the fandom over the years, but the latter two have both been recognized as fan-favorite {{Fanon}} pairings and have influenced other DC properties (including the quasi-spinoff ''WesternAnimation/TeenTitansGo'' and the completely separate [[WesternAnimation/DCAnimatedMovieUniverse animated movie universe]]).
** Hardly anyone even knows that Cyborg actually has a girlfriend, Sarah Simms. A lot of fans ship him with Bumblebee as a result of their interactions in the H.I.V.E. Academy arc.

*** A normal girl who happily attempted to murder the people who had given her a home and a family and only displayed any regret after the consequences hurt her, not giving a damn when the consequences seemed to cost the lives of others.

* HardTruthAesop: You cannot hold onto a past relationship if the other person does not want to reconnect. Whatever their reasons are, trying to push their boundaries will only make things harder for both of you, and learning when it's time to let go and move on is a big part of growing up.

** Some fans would rather ignore "The Beast Within" due to the Titans' mean-spirited JerkassBall and the IdiotPlot.

* IdiotPlot:
** The main conflict in ''"Car Trouble"'' could've potentially been avoided entirely if GadgeteerGenius Cyborg put more anti-theft measures into his high-tech CoolCar beyond a simple Club lock.
** Season 3's ''"Revolution"'' focused on the idea of "who's in charge of the Team when Robin is out of commission." Which itself isn't that bad of an idea if not for the fact that up until this point, Cyborg had always been treated as the unquestioned NumberTwo of the team and the others would defer to his judgement when Robin was unavailable or compromised. Naturally Cyborg, Raven, and Beast Boy all ended up holding both the IdiotBall and ConflictBall to make this episode work.

* ReplacementScrappy: Brother Blood in season 3 wasn't nearly as badass and threatening as his predecessor Slade.

* MagnificentBastard:
** [[DarkActionGirl Madame Rouge]], from Season 5, is a [[TheDreaded dreaded member]] of the Brotherhood of Evil's inner circle. With a fearsome reputation to match her suave voice and lofty ego, Rouge is tasked by the Brain to retrieve a Titans Communicator so they can predict their every move. Impersonating the likeness of Robin to confuse and shake Hot Spot's trust in the Teen Titans, Madame Rouge masterfully plays the immediate situation to her advantage, successfully fooling both the real Robin and Hot Spot to gain a communicator. When offered Kid Flash by the Hive Five, Madame Rouge quickly overpowers the then untouchable speedster with clever use of her [[VoluntaryShapeshifting versatile shapeshifting]]. Despite her prior condescending attitude towards the High Five, Jinx standing up for herself impresses Madame Rouge. In the season's climax, Rouge, ever confident in her own abilities, goes down fighting multiple members of the Teen Titans despite being frozen like her villainous peers.
** "[[Recap/TeenTitansS3E2X X]]": [[TheRealRemingtonSteele Red X]] is a self-proclaimed [[GentlemanThief thief]] who steals Robin's selfsame suit, then tracks down a Xenothium scanner even with the Titans hot on his trail. Cornered, X uses his knowledge of his surroundings and mastery of gadgetry, taking on the team one-by-one while he makes his way to the Xenothium Ore vault to recharge his suit and uses Robin as a decoy to slip by the security drone. [[EnemyMine Teaming up with Robin]] to stop the treacherous Professor Chang, X not only saves Robin but also gracefully accepts defeat when Robin reveals he stole X's utility belt. In "[[Recap/TeenTitansS5E9RevvedUp Revved Up]]", X races against Robin and many of his enemies, demonstrating his skill on a motorbike and when saved by Robin from an explosion repays the debt by dismantling all of the villainous racers in under a minute. Stylish and roguish yet noble, Red X cements himself as a memorable character that's neither a villain nor hero--[[WildCard just as he'd like]].

** Mother Mae Eye. Some people find her episode hilarious due to how out of character she makes the Titans, especially Raven, act, and she is fondly remembered for putting Raven in a dress. However, others were sickened by how TastesLikeDiabetes her episode was.

*** Considering the RelationshipWritingFumble on the latter series, Terra and Ben 10 is also kinda weird, since Gwen in ''Ben 10: Alien Force'' was voiced by Ashley Johnson, who voiced Terra.

* RelationshipWritingFumble:
** Raven and Beast Boy weren't meant to be a couple, but season three had them both share CharacterFocus in [[Recap/TeenTitansS3E6Spellbound a pair of]] [[Recap/TeenTitansS3E9TheBeastWithin emotionally intense episodes]], yielding accidental ShipTease in the process. The creators overcorrected for this in season four by [[AuthorOnBoard having Raven suddenly insist]] that her closest relationship was with ''Robin''[[note]]To drive the point home, the very end of "The End" features Raven giving TheGlomp to Robin and rejecting the same from Beast Boy[[/note]], which inadvertently diminished Robin's preexisting romance with Starfire and created a likewise unintentional LoveTriangle.
*** Even official statements by creative staff were unintentionally confusing--at a convention before season four, WordOfGod declared Beast Boy and Raven were LikeBrotherAndSister and ''then'' LikeAnOldMarriedCouple in the same conversation.

** Whether or not [[RelationshipWritingFumble it's romantic]], Beast Boy and Raven had one of the most complex relationships in the show... and they never managed to reach a real understanding.

* JerksAreWorseThanVillains: Villains like Slade, Madame Rouge, Blackfire, Mad Mod, and Jinx are extremely popular. A non villain that is disliked, however, is Val Yor. This is due to his blatant racism towards Starfire despite the latter saving his life. It just goes to show that just because someone is a hero, it won't guarantee that they will all be nice people.