- 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 — S4E6
Episode: Journey to the Center of Mikey's Mind
Air Date: 2016-01-17
Runtime: 22 min
Overview
When microscopic aliens invade Mikey's mind, the Turtles have to chase them through the strange world of Mikey's subconscious.