This Sunday, the Teenage Mutant Ninja Turtles return to Earth to relive their battle against the deadly Triceratons -- and this time they've got their past selves to fight alongside them!

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IGN has an exclusive clip from the new episode, "Earth's Last Stand," as the time-traveling Turtles meet the Turtles of six months ago and duke it out with Mozar (Michael Dorn).TMNT's all-new episode debuts Sunday, April April 24, at 11am ET/PT.

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