Right after its debut at San Diego Comic Con today, check out the official trailer to the suspenseful season-two finale of Nickelodeon’s Teenage Mutant Ninja Turtles.

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In the finale, Leo and Donnie disagree about their plan to stop the Kraang invasion, and when Leo makes a critical mistake, he is separated from the team and Donnie must step up as a leader.


At a Saturday, July 26, San Diego Comic Con panel, fans of the heroes in a half-shell gathered at the San Diego convention center with Teenage Mutant Ninja Turtles stars Seth Green (voice of Leonardo), Sean Astin (voice of Raphael), Rob Paulsen (voice of Donatello), Greg Cipes (voice of Michelangelo), Josh Peck (voice of Casey Jones), Kelly Hu (voice of Karai), Ciro Nieli (Executive Producer) and Brandon Auman (Executive Producer). During the panel, the cast and creators gave insight into Teenage Mutant Ninja Turtles during a Q&A, shared a sneak peek clip of Dimension X, the season finale trailer from season two and behind-the-scenes clips and art from the upcoming third season.