"Monkey Brains"

Air Date
November 3rd, 2012

Synopsis
After teaming up to investigate the disappearance of local scientist named Dr. Tyler Rockwell, April and Donatello encounter a bizarre psychic mutant monkey. They come to realize that that the monkey is actually Rockwell, and that Dr. Victor Falco was the person who turned him into the monkey.

Main Characters

 * April O'Neil (Mae Whitman)
 * Donatello (Rob Paulsen)
 * Leonardo (Jason Biggs)
 * Michelangelo (Greg Cipes)
 * Raphael (Sean Astin)
 * Tyler Rockwell (Frank Welker)   (Debut)
 * Victor Falco (Jeffery Combs)   (Debut)

Minor Characters

 * Splinter (Hoon Lee)
 * Carlos Chang O'Brien Gambe (Jim Meskimen)