- Seth Green (Leonardo (voice))
- Rob Paulsen (Donatello (voice))
- Sean Astin (Raphael (voice))
- Greg Cipes (Michelangelo (voice))
- Mae Whitman (April (voice))
- Josh Peck (Casey Jones (voice))
- Kelly Hu (Karai)
- Gwendoline Yeo (Shinigami)
Teenage Mutant Ninja Turtles — S2E1
Episode: The Mutation Situation
Air Date: 2013-10-12
Runtime: 22 min
Overview
The Turtles discover that the Kraang survived their previous showdown and have dropped mutagen canisters all over New York City.