SEASON 5 • EPISODE 9
Teenage Mutant Ninja Turtles
"Napoleon Bonafrog: Colossus of the Swamps"
Date Aired: Oct 11, 1991 (United States)
While testing an experimental Muta-Shooter invented by Krang, Shredder unexpectedly turns Napoleon Bonafrog into a muscular, monstrous version of himself.