1. Things Change
Aired: Feb 8, 2003 The Teenage Mutant Ninja Turtles live hidden in the sewers of New York City w...
2. A Better Mousetrap
Aired: Feb 15, 2003 The Turtles discover the identity of the robots that trashed their lair and t...
3. Attack of the Mousers
Aired: Feb 22, 2003 When April O'Neil wakes up in the Turtle's lair she has major trouble dealing...
4. Meet Casey Jones
Aired: Mar 1, 2003 Raphael is a little cooped up underground with only his brothers and Master S...
5. Nano
Aired: Mar 8, 2003 When a scientist accidentally unleashes a super-powered Nanotech monster with...
6. Darkness on the Edge of Town
Aired: Mar 15, 2003 The Foot Ninjas are causing blackouts. And it all has to do with a mysterious...
7. The Way of Invisibility
Aired: Mar 22, 2003 The Turtles must deal with a new threat: Foot Tech Ninjas that raise the bar ...
8. Fallen Angel
Aired: Mar 29, 2003 Casey Jones tries to stop a young girl from becoming a member of the dangerou...
9. Garbageman
Aired: Apr 5, 2003 The boys have made friends with a group of homeless people and are worried wh...
10. The Shredder Strikes: Part 1
Aired: Apr 12, 2003 The Shredder's first attempt against the Ninja Turtles.
11. The Shredder Strikes: Part 2
Aired: Apr 19, 2003 Our four turtles stand facing their most formidable foe to date ... the Shred...
12. The Unconvincing Turtle Titan
Aired: May 2, 2003 Believing the Turtles can accomplish so much more for the city and inspired b...
13. Notes from the Underground: Part 1
Aired: May 10, 2003 When Don's examination of some mysterious crystals attracts the attention of ...
14. Notes from the Underground: Part 2
Aired: May 17, 2003 After discovering an abandoned underground Foot Genetics Lab,and being attack...
15. Notes from the Underground: Part 3
Aired: May 24, 2003 The source of the mysterious crystals are found in an ancient subterranean ci...
16. The King
Aired: May 31, 2003 With all the turtles living in April's apartment, things are getting a little...
17. The Shredder Strikes Back: Part 1
Aired: Jun 7, 2003 Leonardo does some training on the roof tops until the Foot Ninjas came to at...
18. The Shredder Strikes Back: Part 2
Aired: Jun 14, 2003 With Leonardo unable to fight, and the Foot infiltrating April's antique shop...
19. Tales of Leo
Aired: Sep 13, 2003 Donatello, Michelangelo, Raphel, and Splinter tell their memories of Leo's ea...
20. The Monster Hunter
Aired: Sep 20, 2003 Dr. Abigail Finn, a.k.a. The Monster Hunter.
21. Return to New York: Part 1
Aired: Sep 27, 2003 The Turtles return to New York (as the title might suggest) with one goal in ...
22. Return to New York: Part 2
Aired: Oct 4, 2003 The Turtles and Splinter continue to fight their way up through the Foot Head...
23. Return to New York: Part 3
Aired: Oct 11, 2003 With Stockman showing up in the middle of the final battle between our heroes...
24. Lone Raph and Cub
Aired: Oct 18, 2003 With Splinter mysteriously vanished last episode, the Turtles are feeling fru...
25. Search for Splinter: Part 1
Aired: Oct 25, 2003 After the frustrated Turtles exhaust their search for Splinter, their suspici...
26. Search for Splinter: Part 2
Aired: Nov 1, 2003 The Turtles successfully infiltrate the mysterious TCRI Building, where they ...