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Episode Guide

Season 1
Season 2
Season 3
Season 4
Season 5
Season 6
Season 7

Season 4

Episode Guide

Teenage Mutant Ninja Turtles'

Cousin Sid

S4 E1
Jul 31, 2015
Cousin Sid: Casey and April bring the Turtles and Splinter to Casey's farmhouse to heal up from the beating they took in the final fight with the Shredder. But before they can start to recover, Casey's cousin Sid crashes the scene...
Teenage Mutant Ninja Turtles'

The People's Choice

S4 E2
Jul 31, 2015
The People's Choice: Out camping for the night, the four turtles find themselves in the middle of an election. It's not any ordinary election. The two female candidates are from a distant planet where the political process is trial by combat.
Teenage Mutant Ninja Turtles'

Sons of the Silent Age

S4 E3
Jul 31, 2015
Sons of the Silent Age: Taking a Huck Finn styled trip down a local river, the turtles, Casey and April discover a nuclear power plant ... as well as mermen of Y'Lantias ... the last of their kind.
Teenage Mutant Ninja Turtles'

Dragon's Brew

S4 E4
Jul 31, 2015
Dragon's Brew: Hun's taking the Purple Dragons to new heights. He hijacks a top secret government shipment...one of Bishop's little surprises.
Teenage Mutant Ninja Turtles'

I, Monster

S4 E5
Jul 31, 2015
I, Monster: On a training exercise in an abandoned brick works in the boroughs, Casey Jones and our four turtles run afoul of a strange "man." This is the Rat King. and even though they don't know it, the turtles have met him before.
Teenage Mutant Ninja Turtles'

Grudge Match

S4 E6
Jul 31, 2015
Grudge Match: Mikey's blowing off trainings more than ever; he's the BattleNexus Champion, after all! Who needs training?
Teenage Mutant Ninja Turtles'

Wing and a Prayer

S4 E7
Jul 31, 2015
Wing and a Prayer: It's a bird! It's a plane! Okay, it's this guy with angel wings, an Avian, named Raptarr who is after this other guy with metal wings, named Mephos, who wants to take over the Avians' flying city.
Teenage Mutant Ninja Turtles'

Bad Day

S4 E8
Jul 31, 2015
Bad Day: Everything goes from bad to worse for the turtles. Life spins out of control in a nightmare of horror and pain. Who is behind all this? How will it ever end? P.S. Your cat is ...
Teenage Mutant Ninja Turtles'

Aliens Among Us

S4 E9
Jul 31, 2015
Aliens Among Us: It looks as if Agent Bishop might find himself out of a job or at least out of funding. With the President in New York City, the turtles are out watching the motorcade when they find themselves right in the middle a new alien invasion!
Teenage Mutant Ninja Turtles'

Dragons Rising

S4 E10
Jul 31, 2015
Dragons Rising: Hun wasn't kidding.The Purple Dragons really are going places.They're fast becoming a world class crime organization. But, Casey's still got a score to settle with Hun ... big crime syndicate or no.
Teenage Mutant Ninja Turtles'

Still Nobody

S4 E11
Jul 31, 2015
Still Nobody: A gang of young toughs, filling the void left by the rising Purple Dragons, is out to bash an old man to keep him from testifying against them.
Teenage Mutant Ninja Turtles'

All Hallows Thieves

S4 E12
Jul 31, 2015
All Hallows Thieves: It's Halloween and all the freaks are out ... especially the King of Thieves. He manages to bring to life an old idol, which wreaks havoc upon the town with its legions of gremlins.
Teenage Mutant Ninja Turtles'

Samurai Tourist

S4 E13
Jul 31, 2015
Samurai Tourist: Usagi and Gen come to New York for a visit with the turtles. Gen gets a little carried away by the bright lights and the big city and goes wandering off on his own. Bishop hears of another possible "alien" presence.
Teenage Mutant Ninja Turtles'

The Ancient One

S4 E14
Jul 31, 2015
The Ancient One: It is time for Leonardo to move on. Splinter sends Leo to a new sensei ... or rather, a very old sensei. The journey is long and perilous. Can Leonardo look into himself and find the right answers to his questions?
Teenage Mutant Ninja Turtles'

Scion of the Shredder

S4 E15
Jul 31, 2015
Scion of the Shredder: Hades hath no wrath like a scion scorned. Karai strikes with a vengeance. She physically invades the ultimate sanctuary! The lair! She crushes the turtles' home and nearly crushes the turtles scattering them across town.
Teenage Mutant Ninja Turtles'

Prodigal Son

S4 E16
Jul 31, 2015
Prodigal Son: Leonardo returns from his lessons with the Master Sage to find the lair destroyed and his family scattered across town ... all by the hand of Karai.
Teenage Mutant Ninja Turtles'

Outbreak

S4 E17
Jul 31, 2015
Outbreak: Something is growing and spreading in the sewers and the waterways.The remnants of Bishop's 'aliens' have infected various animals, mutating them into horrible beasts ravenous for anything that gets in their way... including turtles.
Teenage Mutant Ninja Turtles'

The Trouble With Augie

S4 E18
Jul 31, 2015
The Trouble With Augie: April receives a message from her long, lost Uncle Augie ... who's trapped in another dimension.
Teenage Mutant Ninja Turtles'

Insane in the Membrane

S4 E19
Jul 31, 2015
Insane in the Membrane: Stockman has finally reclaimed his humanity by cloning a body for himself. Now, he is human once more ... until his body starts to deteriorate and the changes undermine his sanity.
Teenage Mutant Ninja Turtles'

The Return of Savanti Romero: Part 1

S4 E20
Jul 31, 2015
The Return of Savanti Romero: Part 1: Evil demon sorcerer Savanti Romero is back! Back in time, that is - he's stuck in the Jurassic period, but is causing trouble for the Turtles in the present day.
Teenage Mutant Ninja Turtles'

The Return of Savanti Romero: Part 2

S4 E21
Jul 31, 2015
The Return of Savanti Romero: Part 2: Evil demon sorcerer Savanti Romero has lured the Turtles back to the Jurassic period to exact his revenge, as well as get his hands on the Time Sceptre.
Teenage Mutant Ninja Turtles'

Tale of Master Yoshi

S4 E22
Jul 31, 2015
Tale of Master Yoshi: Resting and recuperating in a new lair where there's no electricity and hence no TV and no electronic entertainment, the Turtles resort to the ancient cure for boredom: storytelling.
Teenage Mutant Ninja Turtles'

Adventures in Turtle-Sitting

S4 E23
Jul 31, 2015
Adventures in Turtle-Sitting: Casey and April prepare for a romantic evening out on the town, but their would-be date is dashed when the Turtles drop in with a very ill Donatello.
Teenage Mutant Ninja Turtles'

Good Genes Part I

S4 E24
Jul 31, 2015
Good Genes Part I: Donatello is sick ... mutated into a huge monster actually. Our heroes only hope is to sneak into Bishop's laboratory and acquire some sort of cure for Donatello.
Teenage Mutant Ninja Turtles'

Good Genes Part II

S4 E25
Jul 31, 2015
Good Genes Part II: The turtles have made a deal with the devil ... a.k.a. Agent Bishop. In return for curing Donatello, his three brothers have agreed to retrieve a pendant that is supposed to aid Bishop in his genetics work.
Teenage Mutant Ninja Turtles'

Ninja Tribunal

S4 E26
Jul 31, 2015
Ninja Tribunal: The turtles find themselved abducted..not by aliens...but by ninjas. There's a new force on the scene. Actually it's an ancient force. The turtles have found themselves caught up in a seemingly endless battle between good and evil.