The Turtles retreat to Casey Jone's Grandmother's farm house to reflect on their recent battles. But the figure of the Shredder still haunts their every memory. What is the Shredder's connection to the Turtles origins?

The Justice Force asks Raph to join their ranks after he gets a cape that gives him super powers.

Michelangelo's quest to collect a rare comic take the TMNT and Casey Jones back to Northampton, Massachusetts. Here they uncover a plot by a madman to kidnap the members of a retired super-hero team called The Justice Force.

Serling, desperate to return to his own time, builds a makeshift Time Window.

Still recuperating up at Casey's grandmother's farm, the turtles are feeling the sting of boredom. Luckily, a scientist known as the "Monster Hunter" has come to the area searching for a legendary monster...

Whilst testing out their new Shell Sub, the Turtles are forced to sink or swim when they discover their old enemy Garbageman is creating his own underwater city.

Torbin Zixx persuades the turtles to help him recover an experimental matter transmitter.

Believing the Turtles can accomplish so much more for the city, and inspired by iconic superhero Silver Sentry, Michelangelo decides to take a crack at being a superhero.

When Nano returns to take revenge on the Turtles, the four brothers must stop his rampage. But this is made more difficult when Nano springs his "Father" from prison...

The Turtles help Nobody protect an old man when he witnesses Jengo, leader of the Turks, harming a Turks member. Can the Turtles and Nobody stop the Turks?

The Turtles and Splinter find themselves in a futuristic world after accidentally being pulled through a time window.

A computer virus traps the Turtles inside the Dojo and they must fight for their lives.

Mikey is excited when a video game sequel is released; the Turtles need a guide to navigate the mall.

Sh'Okanabo implants gene seeds in Mikey, beginning his first test of introducing the seeds into the general population.

Jammerhead escapes from prison and confronts the Turtles during a visit from Starlee's alien family.

The Turtles are reunited with Casey and April; Casey is brainwashed by his new martial arts instructor.

The engagement ring Casey and Raph pick out for April has powers that Hun and the Purple Dragons want.

Cyber Shredder releases a virus that wipes out the turtles' memories.

The Turtles find more of Splinter's lost data bits, but they are embedded in the interface of Mikey's favorite online video game, SuperQuest.

Shredder makes the turtles believe they have left cyberspace, when they are really still there giving him important information about how to build a portal.

The boys have made friends with a group of homeless, and are worried when they start mysteriously disappearing into the night!

Casey Jones joins the sport of Super Slam Hockey. However it turns personal when a legendary 17th century Golden Puck is taken by crooks. Can the Turtles hold Casey in line long enough to find the Puck, or will the hardcore rules of Super Slam Hockey get to them first?

The Turtles help April unlock the secrets of an ancient Puzzle cube left behind by her father. The puzzle's solution takes April and the Turtles on a journey of discovery..to another dimension filled with giant insects!

Ascending to new heights, the Turtles aid the winged warrior named Raptarr against the renegade Mephos to save the floating city of the Avians.

Viral sets a trap that digitizes and sucks the Turtles into a prototype game system, the Gaminator.