Teenage Mutant Ninja Turtles Season 3 Episode 31
Michelangelo's Birthday
Shredder tries to trick the Turtles into eating cookies made with anti-mutagen. Michelangelo, wanting to be a human, tries one of the cookies and it mutates him into a teenager.
3 - 47The Big Blow OutFeb. 09, 1990- 3 - 46The Big Break InFeb. 08, 1990
- 3 - 45The Big Rip OffFeb. 07, 1990
- 3 - 44Bye Bye FlyNov. 24, 1989
- 3 - 43ShreddervilleNov. 16, 1989
- 3 - 42Mister Ogg Goes to TownDec. 07, 1989
- 3 - 41The GrybyxMay. 14, 1990
- 3 - 40The Gang's All HereMay. 16, 1990
- 3 - 39The Missing MapJul. 24, 1990
- 3 - 38The Great BoldiniDec. 08, 1989
- 3 - 37The Turtle TerminatorNov. 17, 1989
- 3 - 36Leatherhead Meets the Rat KingNov. 29, 1989
- 3 - 35The Making of MetalheadNov. 27, 1989
- 3 - 34Usagi Come HomeDec. 05, 1989
- 3 - 33Case of the Hot KimonoNov. 20, 1989
- 3 - 32Usagi YojimboNov. 13, 1989
- 3 - 31Michelangelo's BirthdayFeb. 02, 1990
- 3 - 30Leatherhead: Terror of the SwampNov. 09, 1989
- 3 - 29Blast from the PastNov. 03, 1989
- 3 - 28Beware the LotusNov. 01, 1989
- 3 - 27Super Bebop & Mighty RocksteadyOct. 09, 1989
- 3 - 26Pizza by the ShredFeb. 06, 1990
- 3 - 25Corporate Raiders from Dimension XNov. 10, 1989
- 3 - 24Mutagen MonsterNov. 15, 1989
- 3 - 23Casey Jones: Outlaw HeroNov. 07, 1989
- 3 - 22Return of the FlyNov. 22, 1989
- 3 - 21Green with JealousyDec. 04, 1989
- 3 - 20Camera BuggedOct. 13, 1989
- 3 - 19Invasion of the Turtle SnatchersNov. 14, 1989
- 3 - 18Cowabunga ShredheadOct. 02, 1989
- 3 - 17Turtles, Turtles EverywhereNov. 08, 1989
- 3 - 16Four MusketurtlesOct. 30, 1989
- 3 - 15Take me to your LeaderNov. 02, 1989
- 3 - 1420.000 Leaks Under the CityOct. 05, 1989
- 3 - 13The Ninja Sword of NowhereOct. 04, 1989
- 3 - 12Attack of the Big MACCOct. 12, 1989
- 3 - 11April FoolDec. 01, 1989
- 3 - 10Turtles at the Earth's CoreOct. 31, 1989
- 3 - 9Enter: The Rat KingOct. 10, 1989
- 3 - 8The Fifth TurtleOct. 04, 1989
- 3 - 7Burne's BluesOct. 03, 1989
- 3 - 6The Old SwitcherooOct. 02, 1989
- 3 - 5Sky TurtlesSep. 29, 1989
- 3 - 4The Maltese HamsterSep. 28, 1989
- 3 - 3Attack of the 50-Foot IrmaSep. 27, 1989
- 3 - 2Turtles On TrialSep. 26, 1989
- 3 - 1Beneath these StreetsSep. 25, 1989
