Episode 1: Plan Six From Outer Space
1990-09-1022 min
With the Technodrome in serious need for new equipment, Bebop and Rocksteady are sent to Earth, disguised in human form, to capture the Channel 6 building and return it to Dimension X.
Season guide
Teenage Mutant Ninja Turtles Season 4 — Episodes and Where to Watch
39 episodes · first aired 1990-09-10
TMDB does not provide a season overview.
Episode guide
Episode 2: Turtles of the Jungle
1990-09-1122 min
A professor's new ray-gun causes plants to go wild and his pet ape Jocko to become a giant rampaging monkey. By using the same ray-gun, Donatello is increased to Jocko's size so he can fight the giant ape and save April from him.
Episode 3: Michaelangelo Toys Around
1990-09-1222 min
While trying to see the new toys at the Toy Fair, Michaelangelo stumbles upon a plot to take over a noted toy company.
Episode 4: Peking Turtle
1990-09-1322 min
The Turtles must battle a reanimated Terracotta Army after Shredder steals an energy device shaped like a giant pearl, which is held and guarded by a Jade Dragon.
Episode 5: Shredder's Mom
1990-09-1422 min
New York is in the middle of an induced heat wave caused by Shredder, who must battle the Turtles and deal with his mother, Miyoko Saki, at the same time.
Episode 6: Four Turtles and a Baby
1990-09-1722 min
When General Tragg and his troops attack the Neutrino capital, the Neutrino leaders, Zenter and Gizzla, send their infant daughter Tribble through a portal to Earth, asking the Turtles to look after her, but Tribble causes big trouble for our heroes.
Episode 7: Turtlemaniac
1990-09-1822 min
An eccentric billionaire, Monroe Q. Flem, who is also a collector, wishes to collect every piece of TMNT memorabilia that he can get his evil hands on, including April and the Turtles themselves.
Episode 8: Rondo in New York
1990-09-1922 min
Shredder, Bebop, and Rocksteady are in town to steal a rare new mutagen created by Oswald Dren, a grad student. Some mutagen is accidentally spilled onto a reel of movie film causing monsters to come to life.
Episode 9: Planet of the Turtles
1990-09-2022 min
The Turtles must save the Earth from a massive energy drain and its Apocalyptic result by traveling to another dimension where turtles are the dominant species.
Episode 10: Name That Toon
1990-09-2122 min
A Technodrome computer disguised as an electronic keyboard ends up on Earth, and in the most unlikely of hands.
Episode 11: Menace, Maestro Please
1990-09-2822 min
The Turtles must contend with the "Phantom of the Floxy" while trying to hinder Shredder's latest plan to bring the Technodrome back to earth.
Episode 12: Superhero for a Day
1990-09-2522 min
Gadget Man comes out of retirement after 50 years, but is tricked by Shredder into fighting against the Turtles.
Episode 13: Back to the Egg
1990-09-2622 min
Krang hires a multi-dimentional ring-master who intends on making the Teenage Mutant Ninja Turtles part of his circus by using an anti-aging serum.
Episode 14: Son of Return of the Fly II
1990-09-1522 min
Vengeful Baxter Stockman and an A.I. computer return to Earth from a dimentional limbo and capture the Turtles while luring Shredder into their trap as well.
Episode 15: Raphael Knocks 'em Dead
1990-09-1522 min
Raphael must contend with a mobster named Pinky McFingers when he is kidnapped from a local comedy club.
Episode 16: Bebop and Rocksteady Conquer the Universe
1990-09-2222 min
On their latest trip to Earth, Bebop and Rocksteady steal a machine that makes everyone scared of everything.
Episode 17: Raphael Meets His Match
1990-09-2222 min
Raphael wins a ticket to a costume party on MacDonald Crump's yacht and decides to go disguised as a Teenage Mutant Ninja Turtle.
Episode 18: Slash the Evil Turtle from Dimension X
1990-09-2922 min
Bebop and Rocksteady use Krang's new Mutagen on Bebop's pet turtle Slash so he can do their housework for them. Slash runs away and is conned by an irritated entrepreneur into framing the TMNT.
Episode 19: Leonardo Lightens Up
1990-09-2922 min
A ray-gun makes Leonardo carefree and ignore his responsibilities. This leaves the Turtles defenseless and the city at the mercy of Maestro G Clef, a villain who destroys the city with music.
Episode 20: Were-Rats from Channel 6
1990-10-1322 min
After many failed attempts from his rodent subjects to find food, the Rat King learns of an abandoned canister of mutagen lost in the sewers and claims it for himself.
Episode 21: Funny, They Shrunk Michaelangelo
1990-10-1322 min
While Michaelangelo is testing out a sailboard in the sewers he accidentally gets swept out into the city harbor.
Episode 22: The Big Zipp Attack
1990-10-2022 min
Krang sends Shredder, Bebop and Rocksteady to find Rigidium to repair the Technodrome. A meteorite lands containing a large egg. The egg hatches, revealing a Zipp, a cute little creature that begins to eat the Technodrome.
Episode 23: Donatello Makes Time
1990-10-2022 min
Professor Lloyd Cycloyd, a crazy scientist who escaped from an institution, accidentally discovers the Turtles' lair. He sees Donatello testing out one of his new inventions, a time stopper.
Episode 24: Farewell, Lotus Blossum
1990-10-2722 min
While on their way to a movie, the Turtles rescue the Urn of Chakahachi from two thieves. The thieves pry off a pearl from the Urn before the Turtles get their hands on it.
Episode 25: Rebel Without a Fin
1990-10-2722 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.
Episode 26: Rhino-Man
1990-11-0322 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.
Episode 27: Michaelangelo Meets Bugman
1990-11-0322 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.
Episode 28: Poor Little Rich Turtle
1990-11-1022 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.
Episode 29: What's Michaelangelo Good For?
1990-11-1023 min
The Turtles go along with Michaelangelo and his pet pigeon to the zoo so that Dr. Goodfellow can check the bird out.
Episode 30: The Dimension X Story
1990-09-0823 min
Disguised as humans, Rocksteady and Bebop are sent to attach special trans-dimensional thrusters to the Channel Six Building.
Episode 31: Donatello's Degree
1990-09-0823 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.
Episode 32: The Big Cufflink Caper
1990-09-1423 min
The Turtles, bored at the lack of action, decide to investigate when they hear that cufflinks are being stolen around the city.
Episode 33: Leonardo Versus Tempestra
1990-11-1723 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.
Episode 34: Splinter Vanishes
1990-11-2423 min
Returning from another mission, the Turtles are shocked to discover their mentor has left the lair, leaving behind only a video taped message.
Episode 35: Raphael Drives 'em Wild
1990-11-2423 min
On his way home from getting pizza Raphael and a cab driver accidentally get exposed to rays from a Personality Transmogrifier.
Episode 36: Beyond the Donatello Nebula
1990-12-0123 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.
Episode 37: Big Bug Blunder
1990-12-0123 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.
Episode 38: The Foot Soldiers Are Revolting
1990-12-0823 min
After Bebop and Rocksteady blow another assignment, Shredder fires them and decides to replace them with an intelligent Foot Soldier named Alpha One.
Episode 39: Unidentified Flying Leonardo
1990-12-0823 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.
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