Season 1
Episode Guide
Things Change
S1
E1
Things Change: In their underground lair deep beneath the city streets, the Turtles and Master Splinter are suddenly attacked by a horde of Mouser robots!
A Better Mousetrap
S1
E2
The Turtles discover the source of the Mouser robots that trashed their old lair: Dr. Baxter Stockman -- a noted technological genius/inventor, who tries to pass off the Mousers as a means to eradicate the city's rat problem.
Attack of the Mousers
S1
E3
When April O'Neil wakes up in the Turtle's lair she has major trouble dealing with the reality of four giant talking Turtles and a Zen-master rat, but she calms down when she hears the official ORIGIN of the TMNT!
Meet Casey Jones
S1
E4
Raphael is a little cooped up underground with only his brothers and Master Splinter. When Raphael almost clobbers Michelangelo in some brotherly sparring, it's pretty apparent that Raphael needs to get out ... let off a little steam.
Nano
S1
E5
When a scientist accidentally unleashes a super-powered Nanotech monster with a childlike mind, it adopts a small-time grifter as its father figure, and the mayhem begins!
Darkness on the Edge of Town
S1
E6
The Turtles, investigating a strange blackout, discover the Foot Ninja stealing a Japanese ceremonial sword from the Metropolitan Museum of Art.
The Way of Invisibility
S1
E7
After Casey Jones makes himself an wnwanted guest in the Turtles' lair, Raphael takes him topside for a "breath of fresh air", where they encounter the Foot Tech Ninjas.
Fallen Angel
S1
E8
On a nightly training run, the Turtles and Casey Jones break up a Purple Dragon robbery.
Garbageman
S1
E9
The boys have made friends with a group of homeless people and are worried when they start mysteriously disappearing into the night!
The Shredder Strikes - Part 1
S1
E10
Oroku Saki (aka the Shredder) attempts to convince Leonardo that Saki is fighting the good fight ... that he's out there carrying on the great tradition of Bushido and Ninjitsu, and the turtles should stand with him.
The Shredder Strikes - Part 2
S1
E11
Our four turtles stand facing their most formidable foe to date ... the Shredder. Beaten and battle weary, the turtles get separated from one another during the martial arts mayhem and a building collapse!
The Unconvincing Turtle Titan
S1
E12
Believing the Turtles can accomplish so much more for the city, and inspired by iconic superhero Silver Sentry, Michelangelo decides to take a crack at being a superhero.
Notes From The Underground Part 1
S1
E13
When Don's examination of some mysterious crystals attracts the attention of a subterranean monster, the Turtles underground exploration unearths a Foot Genetics Lab!
Notes From The Underground Part 2
S1
E14
After discovering an abandoned underground Foot Genetics Lab, and being attacked by once-human Digging Creatures, the Turtles assist those very creatures in trying to repair a Force Field.
Notes From The Underground Part 3
S1
E15
After befriending the once-human creatures in an abandoned underground Foot Genetics Lab, the Turtles join them on a journey deeper into the earth, where they come upon the ruins of a once-great subterranean city.
The King
S1
E16
With all the turtles living in April's apartment, things are getting a little crazy. But, when Donatello stumbles upon a fantastic monster in the basement, things get crazier.
Shredder Strikes Back - Part 1
S1
E17
On a training run Leo is ambushed by a major Foot attack force, including Foot Tech Ninjas, their old enemy Hun, and a new threat: the Foot Elite!
Shredder Strikes Back - Part 2
S1
E18
When the Foot Ninja attack April's apartment in force, the Turtles fight against overwhelming odds to get the wounded Leo to safety.
Tales of Leo
S1
E19
The Turtles, Splinter, Casey and April just barely manage to escape from the explosion that destroys the antique store. They hit the road and hide out at Casey's grandmother's old farmhouse, but Leonardo is badly wounded.
Monster Hunter
S1
E20
Still recuperating up at Casey's grandmother's farm, the turtles are feeling the sting of boredom. Luckily, a scientist known as the "Monster Hunter" has come to the area searching for a legendary monster...
Return to New York - Part 1
S1
E21
The Turtles return to New York (as the title might suggest) with one goal in mind: to destroy the Shredder once and for all.
Return to New York - Part 2
S1
E22
The Turtles and Splinter continue to fight their way up through the Foot Headquarters skyscraper, facing down three misshapen Mutant Shredder Clones, a hallway of traps, and the Mystic Ninja.
Return to New York - Part 3
S1
E23
With Stockman showing up in the middle of the final battle between our heroes and the Shredder, everything is thrown into chaos ... so much so that our heroes must join forces with the Shredder and Hun to defeat Stockman.
Lone Raph & Cub
S1
E24
With Splinter mysteriously vanished last episode, the Turtles are feeling frustrated, not knowing where to start looking for him. Impatient with strategizing, Raph heads off on his own, and runs into a solo adventure.
Search for Splinter Part 1
S1
E25
After the frustrated Turtles exhaust their search for Splinter, their suspicions turn to the Guardians, and the trail soon leads them to a non-descript building, the initials of its company name spelling out "TCRI."
Search for Splinter Part 2
S1
E26
The Turtles successfully infiltrate the mysterious TCRI Building, where they manage to sneak into its inner sanctum, and locate the unconscious Splinter inside a stasis tank.