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''Mary Kate and Ashley IN ACTION!'' was a 2001 animated series produced by Creator/DiCEntertainment that aired on Creator/{{ABC}}. Coming off of the big MaryKateAndAshleyOlsen craze throughout {{the nineties}}, the girls voiced their own animated counterparts. In most episodes, they traveled to different places around the world to solve mysteries, such as Rome, Paris and London, where they went in their own straight to video movies before. As secret agents, they usually solved crimes and mysteries relating to the fashion world.

The show was canceled after one season of 26 episodes due to poor ratings.
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!!Tropes used by the series:

* AnimatedAdaptation
* AnimeHair: Rodney Choy
* BigBad: Renee La Rouge is close to one.
* BlondesAreEvil: Sylvie
* CatchPhrase: "Let's go save the world... again!"
* CelebrityToons
* CorruptCorporateExecutive: Renee La Rouge, more or less.
* TheCruella: Renee La Rouge
* TheDragon: Sylvie
* EnemyMine: "Bad Hair Day"
* EverythingSoundsSexierInFrench[=/=]GratuitousFrench: Renee La Rouge and Sylvie
* FemmeFatale: Renee La Rouge
* GadgeteerGenius: Ivan Quintero
* GreenEyes: Renee La Rouge
* KidDetective
* MagicSkirt
* ModestyTowel: Renee in "In A Lather".
* TheMerch: Books started selling in 2002.
* NotQuiteStarring
* OvertOperative: They're MaryKateAndAshleyOlsen, obviously.
* RobotDog: Quincy
* SaturdayMorningCartoon
* ShoutOut: In "Bad Hair Day", the Olsen twins' hair resemble a [[DragonBall Super Saiyan]].
* TeenSuperspy
* TheyFightCrime: The Olsen twins and a talking dog. They fight crime.
* YouGottaHaveBlueHair: Rodney Choy
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