When Donatello wants to present his newest masterpiece, the Turtle Tank, to his brothers it appears to be stolen. They go out on a quest to find the mysterious thief. Meanwhile, Splinter runs into the mutated former star chef, Meat Sweats.
Rise up! The Teenage Mutant Ninja Turtles are back and this time they've got awesome new powers! Join Raph, Leo, Donnie and Mikey as they master new weapons, battle absurd mutants, and discover a Hidden City beneath New York. Cowabunga!
After defeating a fire yokai, the turtles discover a pizza place in the Undercity. They enter the Maze of Death to obtain the ultimate prize, but must contend with its guardian first.
The Turtles find themselves caught in a tough situation: watch the finals of the Extreme Skateboarding championship or stop the Foot Clan from robbing a bank.
Raphael is terrified of the TV show rabbit Mrs. Cuddles. April and the others try to help him overcome his fear, but perhaps that fear isn't unfounded.
The Turtles favorite pizza places are going under - literally. Can they stop the mysterious underground "rock" force before the last of their dearest pizza joints is taken out?
When the brothers decide to do some sewer surfing on their day off, Raph suddenly gets lost. / The turtle brothers want to become more popular among the citizens of New York, but manipulator Baxter Stockboy has different plans.
Splinter misses his old glory days and risks Donnie's beloved Turtle Tank to regain some glory. / Splinter gets worried after sending the TMNT into Big Mama's Nexus Hotel for a mission and checks up on their well-being.
Donnie and Mikey have a plan to get the piece of mystic metal from Repo Mantis, but Raph and Leo have their own ideas how things should be done. / Ghostbear decides to mess with the TMNT while they are having a fun time in the snow.
April and Sunita run into a familiar foe when they look for Sunita's stolen cloaking brooch. / The Turtles meet their biggest movie hero Jupiter Jim in person, but something seems to be off about him.
After forgetting about a very important mission, the turtle brothers want to make it up to Splinter by becoming the best ninjas they've ever been on their mission to stop the dark armor from being re-assembled.
The Dark Armor needs one last piece to it's completion, and Draxum wants to trade it in exchange for the lives of the turtle brothers. But Splinter wants to save them with the help of old allies before this happens.