* AlternateCharacterInterpretation: What if Alex always assuming that Britney joining the team means Britney is going to take her place isn't her [[AesopAmnesia forgetting the lesson she learned last time]] but a ''genuine fear''? Alex is the youngest spy and highly emotionally sensitive so the idea that she's worried she'll be replaced by a ''much'' more competent spy isn't completely out there, especially since Sam and Clover never reassure her they'd never replace her (admittedly that's probably because they think it doesn't need to be said and is [[EveryoneCanSeeIt plain to all]] [[TrueCompanions that they're never going to abandon each other]]).
* BaseBreaker: Britney and Blaine get their fair share of this, Britney has simultaneously been lambasted for being a MarySue and praised for being a ''likable'' MarySue who gets HiddenDepths later on. Blaine gets bashed for his SickeninglySweethearts relationship with Clover, though some fans do see him as pretty much the perfect match for Clover, as long as you don't ship her in one of her many [[HoYay Les Yay]] pairings.
** On one side, people want GLADIS back. On the other side...see TheScrappy below.
* BestKnownForTheFanservice: Some viewers only watch it for... certain scenes. [[RuleOfCautiousEditingJudgment Let's just leave it at that.]]
* BizarroEpisode: "Aliens" and "[[FantasticVoyagePlot The Yuck Factor]]".
* CompleteMonster: While most of this show’s villains had some form of redeeming quality, Helga Von Guggen was an exception. A {{greed}}y fashion designer, she makes [[GenuineHumanHide "seamless" fur coats]] by kidnapping innocent people, injecting them with a serum that turns them into PettingZooPeople, then [[FlayedAlive skinning them alive]] in what appears to be a giant industrial crusher. She brags about one of her coats, claiming that it's "genuine lawyer." She later designs a line of apparel that crushes people who wear them, with heavy implications that it manages to kill an innocent shopper [[KilledOffscreen off-screen]] just in the opening minutes of the episode it was introduced.
* CrossoverShip: The aforementioned crossover episode with ''WesternAnimation/MartinMystery'' [[ShipTease teased]] Martin/Alex and M.O.M./Jerry.
* DracoInLeatherPants: Tim Scam and Mandy.
* EarWorm: [[https://www.youtube.com/watch?v=LejVrhwYtec Here We Go]].
* EvilIsSexy:
** Geraldine Husk and Tim Scam are the most noticeable and recurring, but the series is definitely packing a few others as well.
%%** Tuesday Tate.
%%** Milan Stilton
** And of course, we can't forget about Shirley and Carla Wong aka Lady Dragon!
* FoeRomanceSubtext: Geraldine Husk's obsession with Clover can often reach StalkerWithACrush levels. Most notably the episode ''Super Agent Much.''
* FoeYayShipping: Sam and recurring villain Tim Scam also seems to be a popular ship among the fans, given that it takes up a good chunk of the Totally Spies archive on FF.net.
* FridgeBrilliance: Jerry is balding, yet his twin brother Terrance isn't. Could it be his guilt over what he did to his brother made him bald quicker?
** Or [[WMG/TotallySpies maybe]] Terry just had transplants, or could be wearing a toupee or wig.
* HarsherInHindsight: "Space Much?" features an asteroid about to crash down in Moscow. In 2013, the Chelyabinsk meteor exploded in Russia.
* HilariousInHindsight: Jerry gets a computer assistant name Gladis in the third season. [[VideoGame/{{Portal}} Wait, why does that sound familiar?]] And [[AIIsACrapshoot she turns evil]] in one episode, almost furthering the resemblance.
** The names are even spelled in similar ways. Are you sure someone on the team wasn't a fan of the show?
* LesYay:
** Alex refers to a "super-hot model". The model is female.
** Sam and Mandy in "Eraser".
** Out of the main girls, Alex seems to show the most affection toward Sam, even having an AffectionateNickname for her; Sammy.
* MemeticMutation: The scene where Clover bounces a laser between two mirrors, and uses those lasers to melt a door. This lead to comments about how physics don't work that way, or [[JustEatGilligan asking why she just didn't use the original laser in the first place.]]
* {{Narm}}: Just try to take Muffy Peprich from "Evil Sorority" seriously as a villain when she makes threats in a scratchy, high-pitched voice.
* OneTrueThreesome: Sam/Alex/Clover ship. It doesn't help that most of the boys the three are interested in tend to be one-shots, bar their fellow spy Blaine.
* ParanoiaFuel: WOOHP can get the girls from ''anywhere''.
* TheProblemWithLicensedGames: Several of them. Two games on Game Boy Advance, three on Nintendo DS, and a party game for the Playstation 2. None of them were all that great.
* TheScrappy: GLADIS--she was written out of the series almost entirely due to fan complaints!
* TestosteroneBrigade: When a female-targeted kids' show has {{Fanservice}} as much as this one does, it's inevitable.
* TheyChangedItNowItSucks: The voice actors for the English dub being replaced with sound-alike Canadians has been somewhat controversial.
* TheWoobie:
** Alex in "Alex Gets Schooled," where her parents send her to a British boarding school where she is bullied and eventually turned into a dolphin monster. This was all because of her supposed bad grades, only for it to turn out that it was a mix-up the whole time. Also, in "Boy Bands Will Be Boy Bands," where her favorite singer ends up betraying her and forcing her to switch faces with his hag of a manager, as well as the b-plot involving Mandy bullying her.
*** A general one for poor Alex if the AlternateCharacterInterpretation above is correct; she has such low self-confidence that she automatically assumes that it's only a matter of time before Sam and Clover decide they'd rather have the more capable Britney and kick her to the curb.
** Clover in "Matchmaker," she actually breaks down crying after [[EtTuBrute Sam and Alex turn on her]].
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