* ActorAllusion: In "Operation: Wingman". Noah, who is played by Fred Savage, goes to prom with Claire, a girl voiced by Danica [=McKellar=], who is well-known for playing Savage's love interest Winnie Cooper in ''TheWonderYears''.
* FakeBrit: Creator/TroyBaker, an American, uses a British accent when voicing Van Kleiss.
* HeyItsThatVoice: Lots to keep track of here. For starters:
** JohnDiMaggio is Bobo Haha.
** Music/GreyDeLisle is Dr. Holiday.
** HyndenWalch is Breach.
** Rex is [[SpyKids Juni Cortez]].
** Creator/TroyBaker is Van Kleiss
** JKSimmons is White Knight.
** Fred Savage is Noah.
** Creator/BrentSpiner is Rylander.
** Claire is [[TheWonderYears Winnie Cooper]] and [[WesternAnimation/YoungJustice Miss Martian]].
** FeliciaDay is Annie.
** JasonMarsden, Creator/DanteBasco, Creator/KevinMichaelRichardson, and Creator/MarkHamill show up in "Rabble" as Evo-criminals in UsefulNotes/HongKong.
** Vyvan Pham ([[WesternAnimation/Ben10AlienForce Julie Yamamoto]]) is Cricket.
** "Divide by Six" gives us Creator/CarlosAlazraqui as Dos, JimCummings as Tre, Creator/FrankWelker as IV and One, and Olivia d'Abo ([[WesternAnimation/TheLegendOfTarzan Jane]], [[WesternAnimation/JusticeLeague Star Sapphire]]) as Five.
** Cesar is [[Film/PlanetTerror Wray]] and [[Series/UglyBetty Gio]].
** Black Knight is voiced by Creator/JenniferHale.
** Gatlocke is [[VideoGame/MarvelVsCapcom3 Rocket]] [[WesternAnimation/AvengersEarthsMightiestHeroes Raccoon]] and [[WesternAnimation/TeenTitans Malchior]].
** Who would've thought [[WizardsOfWaverlyPlace Harper]] would be Dr. Holiday's sister?
** Creator/YuriLowenthal is Moss.
** James Horan ([[WesternAnimation/TransformersPrime Wheeljack]]) is Dr. Fell.
** LaceyChabert is [=JoJo=].
** Creator/DanteBasco is Tuck.
** NolanNorth is Dr. Branden Moses.
** Creator/SteveBlum is Sebastian and Leon.
** Creator/MauriceLaMarche is Valve.
** Creator/QuintonFlynn is Beau.
** Creator/FredTatasciore is Noface.
** MichaelEmerson is Alpha Nanite.
** Wrestling fans would recognize Hunter Cain's first voice is from Wrestling/JohnCena which ''really'' goes into PlayingAgainstType considering Cena's stance as a {{Face}}.
* PlayingAgainstType: HyndenWalch as Breach.
** Also, Music/GreyDeLisle as Dr. Holiday can be seen as this.
* KeepCirculatingTheTapes: only the first 9 episodes have ever been released to DVD; thankfully, the entire series is on iTunes and Netflix.[[note]] This includes the BonusEpisode "Rock My World", in case you were wondering. [[/note]]
* RelationshipVoiceActor:
** Daryl Sabara (Rex), Jennifer Stone (Beverly), and Maria Canals were [[WizardsOfWaverlyPlace TJ Taylor, Harper, and Teresa Russo respectively]].
** Fred Savage (Noah) and Danica [=McKellar=] (Claire), were also love interests in ''TheWonderYears''.
** Creator/MarkHamill is an antagonist to Creator/DanteBasco, [[AvatarTheLastAirbender Again]].
* ScrewedByTheNetwork: The back half of the final season went straight to [=iTunes=], despite network promises that it would actually be aired. It did actually air... ten months later, where it was quickly shown over a few days in the morning, and is still missing two episodes.
* TalkingToHimself: [[Creator/TroyBaker Van Kleiss and Biowulf]].
** Agent Six and Captain Callan, despite minimal interaction due to the latter's overall lack of screen time, are both voiced by Wally Kurth.
* WhatCouldHaveBeen: Apparently, original art designs showed that Rex would have bore more resemblance to his ''M. Rex'' look.
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