Season 4
Episode Guide
Beyond the Known Universe
S4
E1
The Team meets a strange alien robot called the Fugitoid.
The Moons of Thalos 3
S4
E2
When the Team crash lands on an ice moon along with the enemy, they must put their differences aside to survive.
The Weird World of Wyrm
S4
E3
When Casey discovers a hypercube, he unleashes a 4th dimensional being: Wyrm.
The Outlaw Armaggon
S4
E4
When Lord Dregg hires a bounty hunter to destroy the Turtles, the team flees to an abandoned space station.
Riddle of the Ancient Aeons
S4
E5
The Turtles find themselves on a planet of pure evil.
Journey to the Center of Mikey's Mind
S4
E6
When microscopic aliens invade Mikey's mind, the Turtles have to chase them through the strange world of Mikey's subconscious.
The Arena of Carnage
S4
E7
The Turtles are captured and thrown into the Triceraton Arena!
The War for Dimension X
S4
E8
The Turtles have to gain the trust of the Utrom Council to find the next piece of the Black Hole Generator.
The Cosmic Ocean
S4
E9
The Turtles journey through an ocean-like area of space.
Trans-Dimensional Turtles
S4
E10
The Turtles are transported to another dimension, where they meet their 80's alternate-reality counterparts.
Revenge of the Triceratons
S4
E11
Donatello is feeling inferior to Fugitoid, but his intellect is put to the test when the Triceratons attack!
The Evil of Dregg
S4
E12
When Raph loses his fighting mojo, he must overcome his feelings to save his brothers from certain doom.
The Ever-Burning Fire
S4
E13
The team must overcome impossible odds to acquire the final Black Hole Generator piece.
Earth's Last Stand
S4
E14
As the team finally reaches Earth, Fugitoid reveals a horrible secret about his past.
City at War
S4
E15
When April graduates to full Kunoichi, she faces a deadly new enemy, while the Turtles face the return of some old, dangerous foes...
Broken Foot
S4
E16
When Leonardo secretly allies himself with Karai, he gets himself into deeper danger than he could have realized...
The Insecta Trifecta
S4
E17
The team faces Stockman-Fly's new insect minions, and Raph has to man up to overcome his fear of insects and lead the team.
Mutant Gangland
S4
E18
Don Vizioso's gang tracks the Turtles with a slew of Anti-Mutant weapons!
Bat in the Belfry
S4
E19
Mikey befriends two odd new Superheroes, Wingnut and Screwloose!
The Super Shredder
S4
E20
For the first time, the Turtles encounter something they cannot defeat - the Super Shredder!
Darkest Plight
S4
E21
The Turtle team hunts for their Sensei, but soon realize they are being hunted as well.
The Power Inside Her
S4
E22
A concerned Donnie tests April to discover her psychic abilities are rapidly growing in power.
Tokka vs. the World
S4
E23
Raph's bonding with little Chompy is interrupted by the invasion of Tokka, who has come to Earth searching for him.
Tale of Tiger Claw
S4
E24
A mysterious new enemy with superhuman speed is on the hunt for Tiger Claw, and will take out whoever stands in her way.
Requiem
S4
E25
Splinter must lead the Turtles and the Mighty Mutanimals on the hunt to defeat his old enemy.
Owari
S4
E26
The Turtles realize they must stop Shredder... and end this conflict once and for all.