Nickelodeon
Nickelodeon
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It's all been leading up to this. After a season spent unlocking the mysteries of the extradimensional Kraang menace, Leonardo, Donatello, Michelangelo and Raphael must rally to thwart the brainy mutagen manufacturers' invasion of New York City. Airing August 8 at 8:00 p.m. ET/PT, the Teenage Mutant Ninja Turtles hourlong season one finale, "Showdown" will see the Turtles and their allies infiltrate The Kraang's Techno-Cosmic Research Institute HQ in a bid to shut down their portal to Dimension X. Will the band of pizza-loving brothers be able to save the day against an army of brainy bad guys and their nearly-indestructable technology? See what you think by checking out CA's exclusive first-look trailer provided by Nickelodeon, after the jump.

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