Teenage Mutant Ninjas Turtles is an animated series created by David Wise which aired from 1987 to 1996. Based on the comics created by Kevin Eastman and Peter Laird, it follows four turtles (Leonardo, Raphael, Michelangelo, and Donatello) mutated from mutagen and trained by Master Splinter in the art of Martial Arts. The turtles use their skills to try to defeat the Shredder, Krang, Rocksteady, Bebop and the foot clan
Michelangelo's Birthday (S03E31)
The Shredder sprays Leonardo, Raphael, and Donatello with anti-mutagen created by Krang. Instead of perishing, they end up inflating and floating like balloons.