1. Many Unhappy Returns

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

2. Todd Scouts

The TMNT need to learn how to listen and get in touch with nature in order to save Todd after he's captured by a group of hunters.

3. Goyles, Goyles, Goyles

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

4. Flushed, but Never Forgotten

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.

5. Lair Games

April presents her award winning documentary about the Turtles’ at an annual event: The Lair Olympics. This year's event, however, takes a surprise turn when Donatello unexpectedly gains ground against the past games' constant champion, Leonardo, sparking a fierce competition between the two brothers.

6. Breaking Purple

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

7. Repairin' the Baron

Mikey tries to get Draxum to tolerate humans.

8. Air Turtle

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

9. Pizza Puffs

Ralph teaches his brothers a lesson in responsibility.

10. Sidekick Ahoy!

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

11. The Hidden City Job

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

12. Always Be Brownies

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

13. Mystery Meat

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

14. Raph's Ride-Along

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

15. Donnie vs. Witch Town

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

16. Hidden City's Most Wanted

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

17. Bad Hair Day

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

18. Fists of Furry

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

19. The Clothes Don't Make the Turtle

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

20. Battle Nexus: New York

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

21. Finale: E-Turtle Sunshine of the Spotless Mind (1)

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

23. Finale: Anatawa Hitorijanai (3)

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

24. Finale: Rise (4)

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