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Season guide

Teenage Mutant Ninja Turtles: Season 3

26 episodes Premiered Oct 9, 2004 Updated Sep 26, 2026
Previously on Teenage Mutant Ninja Turtles

Season 3 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Teenage Mutant Ninja Turtles Season 2.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 3 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 3 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 3: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

12%
88%
Mytharc (3): Crucial lore & season climaxes
Core (23): Character development & subplots
Side Quest (0): Standalone / filler
S3·E1 Mytharc

Space Invaders (1)

Oct 9, 2004 · 21 min

The Triceratons have invaded looking for the Fugitoid. Unfortunately, no one on Earth knows what the heck the big horn heads are talking about.

S3·E2 Core

Space Invaders (2)

Oct 16, 2004 · 21 min

Having managed to rescue Casey and April from becoming slaves, the turtles have lost Donatello to the Triceratons. Donatello tries desperately to convince Prime Leader Zanramon tha

S3·E3 Core

Space Invaders (3)

Oct 23, 2004 · 21 min

Searching for the captive Donatello, Leonardo, Raphael and Michelangelo sneak their way into Republic Central, the hub of the Triceraton Homeworld.

S3·E4 Core

Worlds Collide (1)

Oct 30, 2004 · 21 min

Just when the turtles think everything's under control with the Triceratons leaving fully convinced the Fugitoid is not on planet Earth, the Fugitoid shows up!

S3·E5 Core

Worlds Collide (2)

Nov 6, 2004 · 21 min

Just when our four turtles thought they had fooled the Triceratons and disguised the Fugitoid, they find themselves captives of the Military.

S3·E6 Core

Worlds Collide (3)

Nov 13, 2004 · 21 min

At the secret Federation/military base, the turtles are about to be dissected by Agent Bishop, a very bad resident of planet Earth. Luckily, our odd trio of commandos (Splinter, Ap

S3·E7 Core

Touch and Go

Nov 20, 2004 · 21 min

Welcome to the New World...same as the Old World. While the Turtles attempt to assess the damage around their lair, they find that adjusting to their post alien invasion lives migh

S3·E8 Core

Hunted

Nov 27, 2004 · 21 min

For a two ton reptile, Leatherhead actually makes the ideal houseguest; neat, tidy, always pays his rent on time... except for the fact that his temper is really out of control.

S3·E9 Core

H.A.T.E

Dec 4, 2004 · 21 min

Donatello, Michelangelo and Raphael come across a band of crazed, heavily armed, alien-hating Survivalists, bent upon delivering and detonating a thermo nuclear device in New York

S3·E10 Core

Nobody's Fool

Dec 11, 2004 · 21 min

When Michelangelo and Leonardo are out getting a little night air, they cross paths with a caped crusader who ends up saving their lives. The Turtles soon learn that he's really a

S3·E11 Core

The Lesson

Dec 18, 2004 · 21 min

April asks the Turtles to help perfect her ninjitsu skills. But the Turtles are reluctant to do so and recount a story about how they once tried to take a "student" under their win

S3·E12 Core

The Christmas Aliens

Dec 25, 2004 · 21 min

Christmas is supposed to be a time of giving, not taking! But when a dangerous gang of thieves hijack a truck full of holiday toys on it's way to an orphanage, it's time for Michel

S3·E13 Core

New Blood

Jan 22, 2005 · 21 min

The "savior" of New York City, Oroku Saki, has another face: the Shredder. The turtles stumble upon the Shredder's real reason for "helping" New York.

S3·E14 Core

The Darkness Within

Jan 29, 2005 · 21 min

When Angel's brother disappears in the Wall Street area, the turtles jump to help her. Turns out that, as a result of all the destruction from the invasion, an ancient horror has b

S3·E15 Core

Mission of Gravity

Feb 5, 2005 · 21 min

The Shredder sends Stockman and Hun on a quest to retrieve an Antigravity Generator from the city of Beijing, which is still floating in the upper atmosphere, thanks to the Tricera

S3·E16 Core

The Entity Below

Feb 6, 2005 · 21 min

The Entity and his kind are awakened through a rare planetary alignment, and, harnessing great power, they proceed to start shifting the tectonic plates in order to bring back thei

S3·E17 Core

Time Travails

Feb 7, 2005 · 21 min

The turtles get sucked into a time traveling adventure by the somewhat vapid but totally cute Renet, Apprentice Timestress.

S3·E18 Core

Hun on the Run

Feb 8, 2005 · 21 min

Hun's always been loyal, but too many failures have tarnished his relationship with his master. But when Karai is captured by Bishop, the Shredder gives Hun a mission in which he c

S3·E19 Core

Reality Check

Mar 5, 2005 · 21 min

Ultimate Drako is back and he's causing all sorts of chaos with the Time Scepter. He's sent the four turtles spinning through time into alternate realities.

S3·E20 Core

Across the Universe

Mar 12, 2005 · 21 min

Because of Ultimate Drako's machinations, Raphael finds himself in an alternate reality... of the Planet Racers. This is right down Raphael's alley... until that alley turns into a

S3·E21 Core

Same as It Never Was

Mar 17, 2005 · 21 min

Ultimate Drako's time manipulations have sent Donatello to an alternate reality... and it's not pretty. It's one possible future, a horrible nightmare. The Shredder is all powerful

S3·E22 Core

The Real World (1)

Mar 26, 2005 · 21 min

Ultimate Drako is causing trouble with the Time Scepter. He blasts Leonardo into another dimension... Usagi Yojimbo's dimension.

S3·E23 Core

The Real World (2)

Apr 2, 2005 · 21 min

Leonardo and Usagi arrive in the Battle Nexus hoping for a way to reunite the four turtles and their master. But they find the Battle Nexus under the control of the evil Ultimate D

S3·E24 Core

Bishop's Gambit

Apr 9, 2005 · 21 min

Bishop is back and making his move. His research demands a mutated specimen closer to human... a rat: Master Splinter. Bishop kidnaps Splinter and moves to finish the creation of h

S3·E25 Mytharc

Exodus (1)

Apr 16, 2005 · 21 min

Splinter receives a vision of his Master Yoshi...and a mission. He must stop the Shredder. Time is running out. He doesn't know how to explain it to his sons, but they need no expl

S3·E26 Mytharc

Exodus (2)

Apr 23, 2005 · 21 min

The Shredder is leaving Earth in a spaceship of his own construction intent upon wreaking havoc on the Utroms and the galaxy. But he's taken on some unwanted passengers and they're

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