Episode 1
The Turtles and Splinter find themselves in a futuristic world after accidentally being pulled through a time window.
Episode 2
The Turtles use new technology to create new weapons in an effort to escape the future.
Episode 3
A computer virus traps the Turtles inside the Dojo and they must fight for their lives.
Episode 4
Raph competes in a professional wrestling tournament, which is interrupted by a banned wrestler looking to prove himself.
Episode 5
Mikey is excited when a video game sequel is released; the Turtles need a guide to navigate the mall.
Episode 6
The Turtles find out that Agent Bishop is alive in the year 2105.
Episode 7
Mikey brings Cody and his three friends to a horror film festival, where they meet Sh'okanabo face to face.
Episode 8
Mikey discovers that someone has taken his old superhero persona, Turtle Titan.
Episode 9
Cody and the Turtles search for a rare alloy on the moon; Inuwashi Gunjin goes there to make sure they do not return alive.
Episode 10
Jammerhead uses the Bodyjacker to take over Darius Dun's body to steal O'Neil Tech's secrets.
Episode 11
Sh'Okanabo implants gene seeds in Mikey, beginning his first test of introducing the seeds into the general population.
Episode 12
The Turtles' psychotic clones try to prove that they are bigger, badder and better than the Turtles.
Episode 13
The Turtles come across April and Casey's old future-history journal.
Episode 14
Viral sets a trap that digitizes and sucks the Turtles into a prototype game system, the Gaminator.
Episode 15
Splinter announces that the Turtles will graduate to the next ninja rank, except Michelangelo.
Episode 16
Sh'Okanabo unleashes a time storm on New York, putting the Turtles in the middle of chaos.
Episode 17
Jammerhead escapes from prison and confronts the Turtles during a visit from Starlee's alien family.
Episode 18
An intergalactic mercenary enlists the Turtles' help in smuggling a ship full of humanitarian aid past Triceraton gangsters.
Episode 19
When Cody uncovers a secret weapons-manufacturing program, he and his uncle have a showdown over who will ultimately control the O'Neilltech empire.
Episode 20
Darius Dunn controls Turtle X to exact revenge on his nephew and the Turtles.
Episode 21
Triple Threat crashes a cross-country road race and steals all the cars.
Episode 22
The Turtles must rescue the president before he loses his head to a sinister figure from their past.
Episode 23
Dark Leo tries to prove himself by destroying the Turtles from within.
Episode 24
The leader of Inawashi Gunjin asks the turtles for help with a malicious alien.
Episode 25
When the entire population of Moonbase Bishop goes missing and the Turtles stage an assault on the base, they find a bigger Sh'Okanabo with an army of drones.
Episode 26
Torbin Zixx persuades the turtles to help him recover an experimental matter transmitter.