Seasons & episodes
S4 · E25Rebel Without a Fin 1990-10-27 · 22 min
Dr. Polidorius creates a half-man half-fish named Ray. The Doctor has Ray plant explosives in certain parts of the sewer so that he can sink the city beneath the ocean.
S4 · E26Rhino-Man 1990-11-03 · 22 min
J. Gordon Hungerdunger, a Texas millionaire, is holding a best super-hero contest. The winner of the contest will receive the humongous Malaprop Diamond.
S4 · E27Michaelangelo Meets Bugman 1990-11-03 · 22 min
Michaelangelo meets his favourite comic book hero after he saves a weakened Brick Bradley in the sewers, and then he and Bugman take on the evil Electrozapper together.
S4 · E28Poor Little Rich Turtle 1990-11-10 · 22 min
Krang has come up with yet another brilliant plan to free the Technodrome. The evil alien sends Bebop and Rocksteady to kidnap Buffy Shellhammer, 15 year-old CEO of Shellhammer Chemicals.
S4 · E29What's Michaelangelo Good For? 1990-11-10 · 23 min
The Turtles go along with Michaelangelo and his pet pigeon to the zoo so that Dr. Goodfellow can check the bird out.
S4 · E30The Dimension X Story 1990-09-08 · 23 min
Disguised as humans, Rocksteady and Bebop are sent to attach special trans-dimensional thrusters to the Channel Six Building.
S4 · E31Donatello's Degree 1990-09-08 · 23 min
Donatello gets an invitation to accept his degree personally from Professor Sopho at Sopho University. The only problem is that the invitation is addressed to a Miss Donna Tello.
S4 · E32The Big Cufflink Caper 1990-09-14 · 23 min
The Turtles, bored at the lack of action, decide to investigate when they hear that cufflinks are being stolen around the city.
S4 · E33Leonardo VS Tempestra 1990-11-17 · 23 min
The Turtles sneak into an arcade in the middle of the night to play video games. Leonardo gets hooked on a game called Tempestra's Revenge.
S4 · E34Splinter Vanishes 1990-11-24 · 23 min
Returning from another mission, the Turtles are shocked to discover their mentor has left the lair, leaving behind only a video taped message.
S4 · E35Raphael Drives 'Em Wild 1990-11-24 · 23 min
On his way home from getting pizza Raphael and a cab driver accidentally get exposed to rays from a Personality Transmogrifier.
S4 · E36Beyond the Donatello Nebula 1990-12-01 · 23 min
Donatello has created a device to communicate with distant galaxies. While trying to communicate with the Turtle Nebula Donatello accidentally brings a spaceship to Earth.
S4 · E37Big Bug Blunder 1990-12-01 · 23 min
A fly lands in the mutagen and it increases in size. Not being able to control it, Bebop and Rocksteady send the giant insect to Earth.
S4 · E38The Foot Soldiers Are Revolting 1990-12-08 · 23 min
After Bebop and Rocksteady blow another assignment, Shredder fires them and decides to replace them with an intelligent Foot Soldier named Alpha One.
S4 · E39Unidentified Flying Leonardo 1990-12-08 · 23 min
UFO sightings at an upstate farm town known as High Falls, cause April to investigate. Splinter foresees danger clouding April's visit and sends Leonardo to chaperone.