7.5/10126 votes#1 - Plan Six From Outer Space
Season 4 Episode 1 - Aired 9/10/1990
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.
Director: N/A
Writer: Francis Moss, Ted Pedersen
7.2/10109 votes#2 - Turtles of the Jungle
Season 4 Episode 2 - Aired 9/11/1990
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.
Director: N/A
Writer: Antonio Ortiz, Carmela Ortiz
7.3/10107 votes#3 - Michaelangelo Toys Around
Season 4 Episode 3 - Aired 9/12/1990
While trying to see the new toys at the Toy Fair, Michaelangelo stumbles upon a plot to take over a noted toy company.
Director: N/A
Writer: N/A
7.0/10106 votes#4 - Peking Turtle
Season 4 Episode 4 - Aired 9/13/1990
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.
Director: N/A
Writer: N/A
7.2/10101 votes#5 - Shredder's Mom
Season 4 Episode 5 - Aired 9/14/1990
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.
Director: Rowby Goren
Writer: N/A
7.1/10103 votes#6 - Four Turtles and a Baby
Season 4 Episode 6 - Aired 9/17/1990
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.
Director: N/A
Writer: N/A
7.2/10102 votes#7 - Turtlemaniac
Season 4 Episode 7 - Aired 9/18/1990
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.
Director: N/A
Writer: N/A
7.4/10102 votes#8 - Rondo in New York
Season 4 Episode 8 - Aired 9/19/1990
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.
Director: N/A
Writer: N/A
7.5/10104 votes#9 - Planet of the Turtles
Season 4 Episode 9 - Aired 9/20/1990
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.
Director: N/A
Writer: N/A
7.3/1099 votes#10 - Name That Toon
Season 4 Episode 10 - Aired 9/21/1990
A Technodrome computer disguised as an electronic keyboard ends up on Earth, and in the most unlikely of hands.
Director: N/A
Writer: N/A
7.0/10104 votes#11 - Menace, Maestro Please
Season 4 Episode 11 - Aired 9/28/1990
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.
Director: N/A
Writer: N/A
7.1/1099 votes#12 - Superhero for a Day
Season 4 Episode 12 - Aired 9/25/1990
Gadget Man comes out of retirement after 50 years, but is tricked by Shredder into fighting against the Turtles.
Director: N/A
Writer: N/A
6.8/10100 votes#13 - Back to the Egg
Season 4 Episode 13 - Aired 9/26/1990
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.
Director: N/A
Writer: N/A
6.8/10100 votes#14 - Son of Return of the Fly II
Season 4 Episode 14 - Aired 9/15/1990
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.
Director: N/A
Writer: N/A
6.9/10113 votes#15 - Raphael Knocks 'em Dead
Season 4 Episode 15 - Aired 9/15/1990
Raphael must contend with a mobster named Pinky McFingers when he is kidnapped from a local comedy club.
Director: N/A
Writer: N/A
6.6/10115 votes#16 - Bebop and Rocksteady Conquer the Universe
Season 4 Episode 16 - Aired 9/22/1990
On their latest trip to Earth, Bebop and Rocksteady steal a machine that makes everyone scared of everything.
Director: N/A
Writer: N/A
7.3/10113 votes#17 - Raphael Meets His Match
Season 4 Episode 17 - Aired 9/22/1990
Raphael wins a ticket to a costume party on MacDonald Crump's yacht and decides to go disguised as a Teenage Mutant Ninja Turtle.
Director: N/A
Writer: N/A
7.3/10114 votes#18 - Slash the Evil Turtle from Dimension X
Season 4 Episode 18 - Aired 9/29/1990
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.
Director: N/A
Writer: N/A
7.0/10110 votes#19 - Leonardo Lightens Up
Season 4 Episode 19 - Aired 9/29/1990
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.
Director: N/A
Writer: Dan DiStefano
7.1/10108 votes#20 - Were-Rats from Channel 6
Season 4 Episode 20 - Aired 10/13/1990
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.
Director: N/A
Writer: N/A
7.3/10106 votes#21 - Funny, They Shrunk Michaelangelo
Season 4 Episode 21 - Aired 10/13/1990
While Michaelangelo is testing out a sailboard in the sewers he accidentally gets swept out into the city harbor.
Director: N/A
Writer: N/A
7.3/10146 votes#22 - The Big Zipp Attack
Season 4 Episode 22 - Aired 10/20/1990
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.
Director: N/A
Writer: N/A
7.4/10110 votes#23 - Donatello Makes Time
Season 4 Episode 23 - Aired 10/20/1990
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.
Director: N/A
Writer: N/A
7.1/10105 votes#24 - Farewell, Lotus Blossum
Season 4 Episode 24 - Aired 10/27/1990
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.
Director: N/A
Writer: N/A
7.2/10108 votes#25 - Rebel Without a Fin
Season 4 Episode 25 - Aired 10/27/1990
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.
Director: N/A
Writer: N/A
The Best Episodes of Teenage Mutant Ninja Turtles Season 4
Every episode of Teenage Mutant Ninja Turtles Season 4 ranked from best to worst. Discover the Best Episodes of Teenage Mutant Ninja Turtles Season 4!
Four turtles fall into the sewers and are befriended by Hamato Yoshi a Japanese man sent to New York who was forced to live in...
Genres:Action & AdventureAnimationComedyKids
Season 4 Ratings Summary
"Plan Six From Outer Space" is the best rated episode of "Teenage Mutant Ninja Turtles" season 4. It scored 7.5/10 based on 126 votes. Directed by N/A and written by Francis Moss, Ted Pedersen, it aired on 9/10/1990. This episode is rated 0.3 points higher than the second-best, "Turtles of the Jungle".