Leonardo and Usagi arrive in the Battle Nexus hoping for a way to reunite the four turtles and their master. But they find the Battle Nexus under the control of the evil Ultimate Drako and Master Splinter is his prisoner.

After the Turtles were able to cure Donatello's mutation, a group of ninjas confronts the Turtles to tell them about a battle between good and evil that will decide the fate of the world.

The Shredder is leaving Earth in a spaceship of his own construction intent upon wreaking havoc on the Utroms and the galaxy. But he's taken on some unwanted passengers and they're not about to let the Shredder get away.

Ultimate Drako is causing trouble with the Time Scepter. He blasts Leonardo into another dimension... Usagi Yojimbo's dimension.

When Angel's brother disappears in the Wall Street area, the turtles jump to help her. Turns out that, as a result of all the destruction from the invasion, an ancient horror has been stirred.

Leonardo returns from Japan to find the lair in ruins and his family nowhere to be seen. As he investigates he finds that the Foot is back to full strength - with Karai as their leader. Since the Foot believe Leo to be dead, he puts all that he has learnt from the Anicent One into practice...

Ultimate Drako's time manipulations have sent Donatello to an alternate reality... and it's not pretty. It's one possible future, a horrible nightmare. The Shredder is all powerful.

With Donatello sick the Turtles are desperate. So desperate that they decide to try and sneak into Bishops facility, where they realize they have to make a deal with the devil if they want to cure Donatello

Hun's always been loyal, but too many failures have tarnished his relationship with his master. But when Karai is captured by Bishop, the Shredder gives Hun a mission in which he can redeem himself: save Karai and bring her back alive.

With the outbreak-mutant situation the Turtles feel they have to deal with and Donatello sick his brothers leave him with Casey and April for care. But Donatello is not sick but in the last stages of a second mutation.

The Turtles learn first hand what it means to have a "Bad Shell Day" as calamity after calamity befalls them. This time the Turtles may not be able to save everybody...

Splinter receives a vision of his Master Yoshi...and a mission. He must stop the Shredder. Time is running out. He doesn't know how to explain it to his sons, but they need no explanation. They're with their father to the bitter end.

The Battle Nexus tournament begins to take it's toll on the TMNT : Leonardo is poisoned, Splinter is framed, and Lord Draco moves closer to victory.

Bishop is back and making his move. His research demands a mutated specimen closer to human... a rat: Master Splinter. Bishop kidnaps Splinter and moves to finish the creation of his genetically enhanced super soldiers.

To cure Donatello the Turtles made a deal with the devil aka Bishop. Now they have to retrive a pendant that is supposed to help Bishop in his research. The thing is that the pendant is in the heart of the Foot-building, and Karai won't just hand it over

Just when the turtles think everything's under control with the Triceratons leaving fully convinced the Fugitoid is not on planet Earth, the Fugitoid shows up!

Usagi and Gen come to New York for a visit with the Turtles. Gen gets a little carried away by the bright lights of the big city and goes wandering off on his own. And if the modern world wasn't dangerous enough, an assassin from Usagi's world has followed Usagi and Gen. His target: Leonardo.

The "savior" of New York City, Oroku Saki, has another face: the Shredder. The turtles stumble upon the Shredder's real reason for "helping" New York.

Welcome to the New World...same as the Old World. While the Turtles attempt to assess the damage around their lair, they find that adjusting to their post alien invasion lives might be harder than they thought.

The Turtles journey into cyberspace as Cybernauts on a mission to save as much of Master Splinter as they can find.

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

Returning to the Tribunal Monastery with the second Shredder Artefact, things seem to be going well for our heroes when – deception! Old foes infiltrate the Monastery. With all three artefacts in the hands of evil, they plan a sneak attack on the Tribunal and their students with devastating results!

The Battle Nexus Tournament nears it's conclusion : Dontello finds himself fighting for his life with Usagi Yujumbo as Mikey is poised to become Battle Nexus Champion. Leonardo's condition worsens, and Splinter is still in prison. Worse still, Lord Draco now has control of the Daimyo Warstaff...

While Leonardo is in Japan studying with the Ancient One, Karai as the new Shredder makes her attack. Will Leo return to New York? Will he find out what happened to his home and his family? And, have Splinter and Turtles really been destroyed?

Having managed to rescue Casey and April from becoming slaves, the turtles have lost Donatello to the Triceratons. Donatello tries desperately to convince Prime Leader Zanramon that the Fugitoid is not on Earth!

For several years April's uncle Augustus (aka Augie) has been missing.

Every three years, Splinter leaves his students to go to parts unknown. Curious, the four Turtles decide to follow him this time. The pursuit of their master leads the Turtles into something they never expected, right into the middle of the "Big Brawl" : The Battle for the Nexus, a brutal tournament where fates will be decided...

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

Having travelled to the past, the Turtles and Renet battle with Savanti Romero and his telepathically controlled dinosaurs as Savanti attempts to change the historic timeline by preventing the dinosaur extinction event.

When the Foot Ninja attack April's apartment in force, the Turtles fight against overwhelming odds to get the wounded Leo to safety.

The Turtles discover more about their master Splinter as the Battle Nexus tournament continues. They also have a run-in with a warrior who Splinter defeated in the tournament three years ago: Lord Draco.

When a scientist accidentally unleashes a super-powered Nanotech monster with a childlike mind, it adopts a small-time thief as its father figure, and the mayhem begins!

Dark Leo tries to prove himself by destroying the Turtles from within.

The Purple Dragons have evolved from a basic street gang to a smuggling syndicate that works throughout New York. Leonardo goes with Casey to put an end to Hun's plans. However, Casey and the recently angry Leo will have to control their own fury if they want to bring justice-- and not just veangeance-- out of this.

The Turtles, investigating a strange blackout, discover the Foot Ninja stealing a Japanese ceremonial sword from the Metropolitan Museum of Art.

The Shredder hacks into a computer grid and reprograms every electronic device in New York.

Casey and the Turtles are practising their hide-and-seek skills at an abandoned warehouse complex. All the while, a strangely familiar figure watches them from the shadows - with an army of rats at his command!

The collapse of Shredder's crime empire means the city is open for the most vicious gangs to seize control for themselves. New York is plunged into chaos and anarchy, and only the Turtles can maintain order..or can they?

At the secret Federation/military base, the turtles are about to be dissected by Agent Bishop, a very bad resident of planet Earth. Luckily, our odd trio of commandos (Splinter, April and Casey) are moving in for the rescue.

The Turtles and Master Splinter get ready for April and Casey's wedding.

Sh'Okanabo unleashes a time storm on New York, putting the Turtles in the middle of chaos.

The Shredder sends Stockman and Hun on a quest to retrieve an Antigravity Generator from the city of Beijing, which is still floating in the upper atmosphere, thanks to the Triceratons.

On a training run Leo is ambushed by a major Foot attack force, including Foot Tech Ninjas, their old enemy Hun, and a new threat: the Foot Elite!

On a nightly training run, the Turtles and Casey Jones break up a Purple Dragon robbery. One of the perps is Angel, a girl Casey knows from the neighborhood who's going through her initiation rites to become a Purple Dragon.

While Don collects Splinter's data bits, his brothers are pulled into a war between the Foot and the Purple Dragons.

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

Jammerhead uses the Bodyjacker to take over Darius Dun's body to steal O'Neil Tech's secrets.

Savanti Romero plots his revenge against the Turtles and Renet after they had him banished to the Cretaceous period. Using his magic to manipulate time, Romero lures the Turtles and Renet into a trap to obtain the time sceptre.

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!

Triple Threat crashes a cross-country road race and steals all the cars.

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...

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

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.

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.

The demonic Shredder has transformed New York City into a nightmare version of Feudal Japan and the rest of the modern world is next! But the Turtles have a plan, and if it takes allying themselves with some of their former enemies to bring the fight to the Shredder, so be it... because if they fail, all life as they known it will cease to exist.

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 Ultimate Ninja, a warrior from across the galaxies, has come to take the head of Shredder - only to find Leonardo has already done the deed. So now The Ultimate Ninja challenges Leonardo in a battle to the death...

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 Triceratons do battle with the General Blanque's forces and in the chaos, allow the Turtles to capture the Triceraton Prime Leader as their hostage. They prepare to return home using the Fugitoid's teleporter, but there's only one problem : he's never tested it

The Turtles and Splinter use Virtual Reality technology to learn of the Utrom's presence and purpose on Earth, but an old enemy believed dead returns to make the journey VERY real...

Mikey brings Cody and his three friends to a horror film festival, where they meet Sh'okanabo face to face.

Weary after their first battle with the new Shredder, the Turtles doubt they can defeat him. To lift their spirits, Splinter and the Ancient One shares a tale of the Turtles’ toddler days. The story reveals that though the Turtles were small, they overcame impossible odds to defeat a phantom bent on reviving the Shredder, though they may not remember it.

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

The Turtles use new technology to create new weapons in an effort to escape the future.

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

Shredder's army of Foot Mechs confront the Turtles, but even if they defeat this army, can they stop Shredder? And how does a Triceraton warrior called Zog fit into it all?

Shredder begins to build a new dynasty in New York, transforming the whole island into a hellish nightmare.

A return to the Battle Nexus, a time to fight, is Mikey bound for glory once more?

The Ninja Tribunal has called on eight acolytes to stop the coming evil. But first they have to train and be taught some important lessons that may mean the difference between life and death.

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

The Turtles hide out at Casey's farm to recover from their battle with the Shredder. However the ghosts of Casey's past come back to haunt him when his cousin Sid arrives with a gang in tow...

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...

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?

Raph competes in a professional wrestling tournament, which is interrupted by a banned wrestler looking to prove himself.

The Turtles find out that Agent Bishop is alive in the year 2105.

The leader of Inawashi Gunjin asks the turtles for help with a malicious alien.

The Turtles begin training with the mysterious Ninja Tribunal, experimenting with new powers and weapons. After securing the first of the Tribunal’s Lost Artifacts, our heroes learn to their horror that the “great evil” they are destined to face is the long-imprisoned spirit of the one, true Shredder!

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

The Turtles are about to discover that the Mutagen that transformed them, has had an effect on other creatures as well. They must now defend their territory from the rampage of the insidious alligator Leatherhead...

After discovering an abandoned underground Foot Genetics Lab, and being attacked by once-human Digging Creatures, the Turtles assist those very creatures in trying to repair a Force Field.

With the help of their closest allies and most dangerous enemies alike, the Turtles have fought their way through a demonic version of New York to confront the Shredder once and for all! Now the Turtles must have everything they've got and have no choice but to focus their energy and become their very own mystic avatars...Dragons. This night, the Teenage Mutant Ninja Turtles will meet their destinies: Whether to live or die!

The Turtles face a species of the deep, and when April gets too close to the action, she grasps a truth behind the current of environmental consequence.

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

Cody and the Turtles search for a rare alloy on the moon; Inuwashi Gunjin goes there to make sure they do not return alive.

Still trapped on D'Hoonnib, the Turtles and The Fugitoid visit a seedy night club in an effort to find transportation off of the Planet. But General Blanque intercepts them, and, in the battle that follows, Fugitoid is captured by another party interested in the teleportation device...

An intergalactic mercenary enlists the Turtles' help in smuggling a ship full of humanitarian aid past Triceraton gangsters.

Darius Dunn controls Turtle X to exact revenge on his nephew and the Turtles.

The Turtles, Splinter, Casey and April just barely manage to escape from the explosion that destroys the antique store. They hit the road and hide out at Casey's grandmother's old farmhouse, but Leonardo is badly wounded.

Mikey discovers that someone has taken his old superhero persona, Turtle Titan.

When the Time Window is repaired, the Turtles enter it to go home, but instead of ending up back at the lair they are sent on a harrowing trip through the past, present and future.

Raphael is a little cooped up underground with only his brothers and Master Splinter. When Raphael almost clobbers Michelangelo in some brotherly sparring, it's apparent that Raphael needs to get out ... let off a little steam. But when he meets up with Casey Jones, a vigilante erring a little to the right of justice, Raphael must face the reality of his own hothead ways...

With Splinter mysteriously vanished, the Turtles are feeling frustrated, not knowing where to start looking. Impatient with strategizing, Raph heads off on his own - and straight into trouble, of the mobster kind!