April O'Neil: Teenage Mutant Kunoichi

April 'O' Neil: Teenage Mutant Kunoichi is a special episode of the 2012 TMNT television series. It takes place at some point during the second season and stars Mae Whitman in the title role.

Plot:
April must step up to save the Turtles and the world after her mistake allows the Kraang to launch another world takeover scheme. In her way are her treacherous friend Irma, the wicked Karai, and her Kraang-made clone, May. Can she do it all and keep the secret of her turtle boyfriend?

Trivia:

*This episode is a special four-part event with an altered opening focusing on April.
* Mikey is revealed to have been dating April in secret for some time.

* April utters Mikey's catchphrase "Boo-ya-ka-sha" for the first time.

* April gets a job at her school paper in this special, referencing her occupation in the original 1987 animated series.

* This is later referenced again when she mentions a Summer internship at Channel 6.

* Splinter is changed into an ordinary rat, referencing his original incarnation as Hamato Yoshi's pet and not the man himself.

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