Bebop and Rocksteady Conquer the Universe

September 22, 1990

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Teenage Mutant Ninja Turtles - S4 - E16

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On their latest trip to Earth, Bebop and Rocksteady steal a machine that makes everyone scared of everything.

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Teenage Mutant Ninja Turtles: Season 4 - 39 Episode s

4x1 - Plan Six From Outer Space
September 10, 1990
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.
4x2 - Turtles of the Jungle
September 11, 1990
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.
4x3 - Michaelangelo Toys Around
September 12, 1990
While trying to see the new toys at the Toy Fair, Michaelangelo stumbles upon a plot to take over a noted toy company.
4x4 - Peking Turtle
September 13, 1990
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.
4x5 - Shredder's Mom
September 14, 1990
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.
4x6 - Four Turtles and a Baby
September 17, 1990
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.
4x7 - Turtlemaniac
September 18, 1990
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.
4x8 - Rondo in New York
September 19, 1990
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.
4x9 - Planet of the Turtles
September 20, 1990
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.
4x10 - Name That Toon
September 21, 1990
A Technodrome computer disguised as an electronic keyboard ends up on Earth, and in the most unlikely of hands.
4x11 - Menace, Maestro Please
September 28, 1990
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.
4x12 - Superhero for a Day
September 25, 1990
Gadget Man comes out of retirement after 50 years, but is tricked by Shredder into fighting against the Turtles.
4x13 - Back to the Egg
September 26, 1990
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.
4x14 - Son of Return of the Fly II
September 15, 1990
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.
4x15 - Raphael Knocks 'em Dead
September 15, 1990
Raphael must contend with a mobster named Pinky McFingers when he is kidnapped from a local comedy club.
4x16 - Bebop and Rocksteady Conquer the Universe
September 22, 1990
On their latest trip to Earth, Bebop and Rocksteady steal a machine that makes everyone scared of everything.
4x17 - Raphael Meets His Match
September 22, 1990
Raphael wins a ticket to a costume party on MacDonald Crump's yacht and decides to go disguised as a Teenage Mutant Ninja Turtle.
4x18 - Slash the Evil Turtle from Dimension X
September 29, 1990
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.
4x19 - Leonardo Lightens Up
September 29, 1990
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.
4x20 - Were-Rats from Channel 6
October 13, 1990
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.
4x21 - Funny, They Shrunk Michaelangelo
October 13, 1990
While Michaelangelo is testing out a sailboard in the sewers he accidentally gets swept out into the city harbor.
4x22 - The Big Zipp Attack
October 20, 1990
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.
4x23 - Donatello Makes Time
October 20, 1990
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.
4x24 - Farewell, Lotus Blossum
October 27, 1990
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.
4x25 - Rebel Without a Fin
October 27, 1990
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.
4x26 - Rhino-Man
November 3, 1990
J. Gordon Hungerdunger, a Texas millionaire, is holding a best super-hero contest. The winner of the contest will receive the humongous Malaprop Diamond.
4x27 - Michaelangelo Meets Bugman
November 3, 1990
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.
4x28 - Poor Little Rich Turtle
November 10, 1990
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.
4x29 - What's Michaelangelo Good For?
November 10, 1990
The Turtles go along with Michaelangelo and his pet pigeon to the zoo so that Dr. Goodfellow can check the bird out.
4x30 - The Dimension X Story
September 8, 1990
Disguised as humans, Rocksteady and Bebop are sent to attach special trans-dimensional thrusters to the Channel Six Building.
4x31 - Donatello's Degree
September 8, 1990
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.
4x32 - The Big Cufflink Caper
September 14, 1990
The Turtles, bored at the lack of action, decide to investigate when they hear that cufflinks are being stolen around the city.
4x33 - Leonardo VS Tempestra
November 17, 1990
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.
4x34 - Splinter Vanishes
November 24, 1990
Returning from another mission, the Turtles are shocked to discover their mentor has left the lair, leaving behind only a video taped message.
4x35 - Raphael Drives 'Em Wild
November 24, 1990
On his way home from getting pizza Raphael and a cab driver accidentally get exposed to rays from a Personality Transmogrifier.
4x36 - Beyond the Donatello Nebula
December 1, 1990
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.
4x37 - Big Bug Blunder
December 1, 1990
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.
4x38 - The Foot Soldiers Are Revolting
December 8, 1990
After Bebop and Rocksteady blow another assignment, Shredder fires them and decides to replace them with an intelligent Foot Soldier named Alpha One.
4x39 - Unidentified Flying Leonardo
December 8, 1990
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.

4x1 - Plan Six From Outer Space

4x2 - Turtles of the Jungle

4x3 - Michaelangelo Toys Around

4x4 - Peking Turtle

4x5 - Shredder's Mom

4x6 - Four Turtles and a Baby

4x7 - Turtlemaniac

4x8 - Rondo in New York

4x9 - Planet of the Turtles

4x10 - Name That Toon

4x11 - Menace, Maestro Please

4x12 - Superhero for a Day

4x13 - Back to the Egg

4x14 - Son of Return of the Fly II

4x15 - Raphael Knocks 'em Dead

4x16 - Bebop and Rocksteady Conquer the Universe

4x17 - Raphael Meets His Match

4x18 - Slash the Evil Turtle from Dimension X

4x19 - Leonardo Lightens Up

4x20 - Were-Rats from Channel 6

4x21 - Funny, They Shrunk Michaelangelo

4x22 - The Big Zipp Attack

4x23 - Donatello Makes Time

4x24 - Farewell, Lotus Blossum

4x25 - Rebel Without a Fin

4x26 - Rhino-Man

4x27 - Michaelangelo Meets Bugman

4x28 - Poor Little Rich Turtle

4x29 - What's Michaelangelo Good For?

4x30 - The Dimension X Story

4x31 - Donatello's Degree

4x32 - The Big Cufflink Caper

4x33 - Leonardo VS Tempestra

4x34 - Splinter Vanishes

4x35 - Raphael Drives 'Em Wild

4x36 - Beyond the Donatello Nebula

4x37 - Big Bug Blunder

4x38 - The Foot Soldiers Are Revolting

4x39 - Unidentified Flying Leonardo

S0: Specials

S1: Season 1

S2: Season 2

S3: Season 3

S4: Season 4

S5: Season 5

S6: Season 6

S7: Season 7

S8: Season 8

S9: Season 9

S10: Season 10