The Turtles have a secret that comes back to haunt them in the form of Splinter's pet goldfish Piebald who was accidentally flushed down the toilet and mutated after eating an Oozesquito.

April presents her award-winning documentary about the Turtles’ annual event: The Lair Olympics.

The TMNT must stop a persistent foe from shredding NYC, but problems arise when they split up to handle things.

Huginn and Muninn recall their first day working for Baron Draxum.

Donnie's parenting causes S.H.E.L.L.D.O.N. to run away.

Mikey tries to get Draxum to tolerate humans.

Leo gets his dream job as mascot of the local professional basketball team.

Ralph teaches his brothers a lesson in responsibility.

With their favorite space hero movie star in need of a sidekick, the TMNT do all they can to win their dream job.

Leo and Senor Hueso help the reformed Capitan Piel on one last dangerous mission.

April and Splinter encounter a gang of dangerous middle school brownie sellers.

Baron Draxum's lunchroom concoction comes to life and terrorizes April's school.

Raph is mistaken for a heinous criminal in the Hidden City.

Always a man of science, Donnie can't accept April going to the witches for mystic help on a science project.

Splinter's magical day with Mikey is interrupted by a mysterious and tiny guest.

Leo's efforts to get into an exclusive Hidden City spa threaten to unweave his day of relaxation.

April and the Turtles must help Splinter save his chain of dojos from being taken over by an evil rival.

Hypno-Potamus traps the Turtles in a magical 80s movie montage.

Big Mama turns New York City into her new Battle Nexus arena and The Turtles have to fight to save everyone they love.

The Turtles must enter Splinter's mind when a powerful foe returns.

The Turtles find a new ally when they meet Splinter's distant relative.

In a bid to save New York and the Hidden City, The Turtles prepare for their greatest battle yet.

When the Turtles find their ninpo, they must defeat the Shredder once and for all.