Seasons & episodes
S4 · E1Plan Six From Outer Space 1990-09-10 · 22 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.
S4 · E2Turtles of the Jungle 1990-09-11 · 22 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.
S4 · E3Michaelangelo Toys Around 1990-09-12 · 22 min
While trying to see the new toys at the Toy Fair, Michaelangelo stumbles upon a plot to take over a noted toy company.
S4 · E4Peking Turtle 1990-09-13 · 22 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.
S4 · E5Shredder's Mom 1990-09-14 · 22 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.
S4 · E6Four Turtles and a Baby 1990-09-17 · 22 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.
S4 · E7Turtlemaniac 1990-09-18 · 22 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.
S4 · E8Rondo in New York 1990-09-19 · 22 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.
S4 · E9Planet of the Turtles 1990-09-20 · 22 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.
S4 · E10Name That Toon 1990-09-21 · 22 min
A Technodrome computer disguised as an electronic keyboard ends up on Earth, and in the most unlikely of hands.
S4 · E11Menace, Maestro Please 1990-09-28 · 22 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.
S4 · E12Superhero for a Day 1990-09-25 · 22 min
Gadget Man comes out of retirement after 50 years, but is tricked by Shredder into fighting against the Turtles.
S4 · E13Back to the Egg 1990-09-26 · 22 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.
S4 · E14Son of Return of the Fly II 1990-09-15 · 22 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.
S4 · E15Raphael Knocks 'em Dead 1990-09-15 · 22 min
Raphael must contend with a mobster named Pinky McFingers when he is kidnapped from a local comedy club.
S4 · E16Bebop and Rocksteady Conquer the Universe 1990-09-22 · 22 min
On their latest trip to Earth, Bebop and Rocksteady steal a machine that makes everyone scared of everything.
S4 · E17Raphael Meets His Match 1990-09-22 · 22 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.
S4 · E18Slash the Evil Turtle from Dimension X 1990-09-29 · 22 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.
S4 · E19Leonardo Lightens Up 1990-09-29 · 22 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.
S4 · E20Were-Rats from Channel 6 1990-10-13 · 22 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.
S4 · E21Funny, They Shrunk Michaelangelo 1990-10-13 · 22 min
While Michaelangelo is testing out a sailboard in the sewers he accidentally gets swept out into the city harbor.
S4 · E22The Big Zipp Attack 1990-10-20 · 22 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.
S4 · E23Donatello Makes Time 1990-10-20 · 22 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.
S4 · E24Farewell, Lotus Blossum 1990-10-27 · 22 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.