- 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 — S4E9
Episode: The Cosmic Ocean
Air Date: 2016-03-13
Runtime: 22 min
Overview
The Turtles journey through an ocean-like area of space.