
1. Things Change
Aired: Feb 8, 2003The Teenage Mutant Ninja Turtles are caught off guard by Mouser robots during...

2. A Better Mousetrap
Aired: Feb 15, 2003The Turtles' adventure takes an unexpected turn when they come across Dr. Bax...

3. Attack of the Mousers
Aired: Feb 22, 2003April O'Neil discovers she's in the Turtles' lair, where she learns about the...

4. Meet Casey Jones
Aired: Mar 1, 2003Raphael's pent-up frustration boils over during a training exercise, putting ...

5. Nano
Aired: Mar 8, 2003A revolutionary AI made of nanotechnology sparks a chain reaction of high-tec...

6. Darkness on the Edge of Town
Aired: Mar 15, 2003The Turtles venture out to uncover the source of a sudden blackout, but their...

7. The Way of Invisibility
Aired: Mar 22, 2003Casey Jones and Raphael embark on a surface outing to enjoy the fresh air, on...

8. Fallen Angel
Aired: Mar 29, 2003Casey's friend Angel is on the verge of joining the notorious Purple Dragons ...

9. Garbageman
Aired: Apr 5, 2003In the next episode, the Turtles investigate the vanishing of homeless indivi...

10. The Shredder Strikes: Part 1
Aired: Apr 12, 2003Leonardo discovers the dark side of the Foot Clan, led by Oroku Saki, who rev...

11. The Shredder Strikes: Part 2
Aired: Apr 19, 2003Master Splinter leads a daring rescue mission to find his sons, preparing for...

12. The Unconvincing Turtle Titan
Aired: May 2, 2003Michelangelo and Silver Sentry team up to take down Dr. Malignus, arch-nemesi...

13. Notes from the Underground: Part 1
Aired: May 10, 2003The Turtles stumble upon a Foot Genetics Lab while searching for mysterious c...

14. Notes from the Underground: Part 2
Aired: May 17, 2003The Turtles venture into an abandoned underground Foot Genetics Lab, where th...

15. Notes from the Underground: Part 3
Aired: May 24, 2003A lone inhabitant of an ancient city endeavors to revive ancient crystals and...

16. The King
Aired: May 31, 2003The Turtles settle into their new home at April's place, where Donatello stum...

17. The Shredder Strikes Back: Part 1
Aired: Jun 7, 2003Leonardo faces off against a massive army of Foot Ninja and Hun, but a thunde...

18. The Shredder Strikes Back: Part 2
Aired: Jun 14, 2003As the battle rages on, Leonardo suddenly finds himself in April's apartment,...

19. Tales of Leo
Aired: Sep 13, 2003The Turtle team narrowly escapes an impending blast by taking shelter in Case...

20. The Monster Hunter
Aired: Sep 20, 2003The Turtles engage in various activities at the farmhouse as they recuperate,...

21. Return to New York: Part 1
Aired: Sep 27, 2003The Turtles and Splinter launch a sudden attack on the Shredder's stronghold,...

22. Return to New York: Part 2
Aired: Oct 4, 2003The next episode features the Turtles in a series of intense showdowns agains...

23. Return to New York: Part 3
Aired: Oct 11, 2003A battle rages on as the Turtles confront the Shredder, with Master Splinter ...

24. Lone Raph and Cub
Aired: Oct 18, 2003Raphael embarks on a perilous solo quest to locate the missing Master Splinte...

25. Search for Splinter: Part 1
Aired: Oct 25, 2003The Turtles embark on a perilous quest to locate Splinter, which leads them t...

26. Search for Splinter: Part 2
Aired: Nov 1, 2003The Teenage Mutant Ninja Turtles uncover the truth about the TCRI building, o...