S01E17: TCRI
While breaking into the hostile environment of TCRI headquarters, the Turtles discover the true intent of the Kraang and resolve to stop the alien invasion once and for all.
Previous Episode 
Season 1
Rise of the Turtles (1)
S1E1 / 28 Sep 2012
Rise of the Turtles (2)
S1E2 / 29 Sep 2012
Turtle Temper
S1E3 / 06 Oct 2012
New Friend, Old Enemy
S1E4 / 13 Oct 2012
I Think His Name Is Baxter Stockman
S1E5 / 20 Oct 2012
Metalhead
S1E6 / 27 Oct 2012
Monkey Brains
S1E7 / 03 Nov 2012
Never Say Xever
S1E8 / 10 Nov 2012
The Gauntlet
S1E9 / 17 Nov 2012
Panic in the Sewers
S1E10 / 24 Nov 2012
Mousers Attack!
S1E11 / 08 Dec 2012
It Came From the Depths
S1E12 / 15 Dec 2012
I, Monster
S1E13 / 25 Jan 2013
New Girl in Town
S1E14 / 01 Feb 2013
The Alien Agenda
S1E15 / 08 Feb 2013
The Pulverizer
S1E16 / 15 Feb 2013
TCRI
S1E17 / 01 Mar 2013
Cockroach Terminator
S1E18 / 15 Mar 2013
Baxter's Gambit
S1E19 / 05 Apr 2013
Enemy of My Enemy
S1E20 / 12 Apr 2013
Karai's Vendetta
S1E21 / 27 Apr 2013
The Pulverizer Returns!
S1E22 / 11 May 2013
Parasitica
S1E23 / 20 Jul 2013
Operation: Break Out
S1E24 / 27 Jul 2013
Showdown (1)
S1E25 / 08 Aug 2013
Showdown (2)
S1E26 / 08 Aug 2013
Season 2
The Mutation Situation
S2E1 / 12 Oct 2013
Invasion of the Squirrelanoids
S2E2 / 19 Oct 2013
Follow the Leader
S2E3 / 02 Nov 2013
Mutagen Man Unleashed
S2E4 / 09 Nov 2013
Mikey Gets Shellacne
S2E5 / 16 Nov 2013
Target: April O'Neil
S2E6 / 23 Nov 2013
Slash and Destroy
S2E7 / 30 Nov 2013
The Good, The Bad, and Casey Jones
S2E8 / 02 Feb 2014
The Kraang Conspiracy
S2E9 / 09 Feb 2014
Fungus Humungous
S2E10 / 16 Feb 2014
Metalhead Rewired
S2E11 / 23 Feb 2014
Of Rats and Men
S2E12 / 02 Mar 2014
The Manhattan Project (1)
S2E13 / 14 Mar 2014
The Manhattan Project (2)
S2E14 / 14 Mar 2014
Mazes & Mutants
S2E15 / 27 Apr 2014
The Lonely Mutation of Baxter Stockman
S2E16 / 04 May 2014
Newtralized!
S2E17 / 11 May 2014
Pizza Face
S2E18 / 18 May 2014
The Wrath of Tiger Claw
S2E19 / 08 Jun 2014
The Legend of the Kuro Kabuto
S2E20 / 15 Jun 2014
Plan 10
S2E21 / 22 Jun 2014
Vengeance is Mine
S2E22 / 29 Jun 2014
A Chinatown Ghost Story
S2E23 / 12 Sep 2014
Into Dimension X!
S2E24 / 19 Sep 2014
The Invasion (1)
S2E25 / 26 Sep 2014
The Invasion (2)
S2E26 / 26 Sep 2014
Season 3
Within the Woods
S3E1 / 03 Oct 2014
A Foot Too Big
S3E2 / 10 Oct 2014
Buried Secrets
S3E3 / 17 Oct 2014
The Croaking
S3E4 / 07 Nov 2014
In Dreams
S3E5 / 14 Nov 2014
Race with the Demon!
S3E6 / 21 Nov 2014
Eyes of the Chimera
S3E7 / 11 Jan 2015
Vision Quest
S3E8 / 18 Jan 2015
Return to New York
S3E9 / 25 Jan 2015
Serpent Hunt
S3E10 / 01 Feb 2015
The Pig and the Rhino
S3E11 / 08 Mar 2015
Battle for New York (1)
S3E12 / 15 Mar 2015
Battle for New York (2)
S3E13 / 15 Mar 2015
Casey Jones vs the Underworld
S3E14 / 22 Mar 2015
The Noxious Avenger
S3E15 / 26 Apr 2015
Clash of the Mutanimals
S3E16 / 03 May 2015
Meet Mondo Gecko
S3E17 / 10 May 2015
The Deadly Venom
S3E18 / 17 May 2015
Turtles in Time
S3E19 / 02 Aug 2015
Tale of the Yokai
S3E20 / 09 Aug 2015
Attack of the Mega Shredder!
S3E21 / 16 Aug 2015
The Creeping Doom
S3E22 / 23 Aug 2015
The Fourfold Trap
S3E23 / 13 Sep 2015
Dinosaur Seen in Sewers!
S3E24 / 20 Sep 2015
Annihilation: Earth! (1)
S3E25 / 27 Sep 2015
Annihilation: Earth! (2)
S3E26 / 27 Sep 2015
Season 4
Beyond the Known Universe
S4E1 / 25 Oct 2015
The Moons of Thalos 3
S4E2 / 01 Nov 2015
The Weird World of Wyrm
S4E3 / 08 Nov 2015
The Outlaw Armaggon!
S4E4 / 15 Nov 2015
Riddle of the Ancient Aeons
S4E5 / 10 Jan 2016
Journey to the Center of Mikey's Mind
S4E6 / 17 Jan 2016
The Arena of Carnage
S4E7 / 24 Jan 2016
The War for Dimension X
S4E8 / 31 Jan 2016
The Cosmic Ocean
S4E9 / 13 Mar 2016
Trans-Dimensional Turtles
S4E10 / 27 Mar 2016
Revenge of the Triceratons
S4E11 / 03 Apr 2016
The Evil of Dregg
S4E12 / 10 Apr 2016
The Ever-Burning Fire
S4E13 / 17 Apr 2016
Earth's Last Stand
S4E14 / 24 Apr 2016
City at War
S4E15 / 14 Aug 2016
Broken Foot
S4E16 / 21 Aug 2016
The Insecta Trifecta
S4E17 / 28 Aug 2016
Mutant Gangland
S4E18 / 04 Sep 2016
Bat in the Belfry
S4E19 / 11 Sep 2016
The Super Shredder
S4E20 / 06 Nov 2016
Darkest Plight
S4E21 / 13 Nov 2016
The Power Inside Her
S4E22 / 20 Nov 2016
Tokka vs. the World
S4E23 / 05 Feb 2017
Tale of Tiger Claw
S4E24 / 12 Feb 2017
Requiem
S4E25 / 19 Feb 2017
Owari
S4E26 / 26 Feb 2017
Season 5
Scroll of the Demodragon
S5E1 / 19 Mar 2017
The Forgotten Swordsman
S5E2 / 26 Mar 2017
Heart of Evil
S5E3 / 02 Apr 2017
End Times
S5E4 / 09 Apr 2017
When Worlds Collide (1)
S5E5 / 18 Jun 2017
When Worlds Collide (2)
S5E6 / 18 Jun 2017
Yojimbo
S5E7 / 23 Jul 2017
Osoroshi no Tabi
S5E8 / 30 Jul 2017
Kagayake! Kintaro
S5E9 / 06 Aug 2017
Lone Rat and Cubs
S5E10 / 13 Aug 2017
Raphael Mutant Apocalypse, Part 1: The Wasteland Warrior
S5E11 / 22 Sep 2017
Raphael Mutant Apocalypse, Part 2: The Impossible Desert
S5E12 / 22 Sep 2017
Raphael Mutant Apocalypse, Part 3: Carmageddon
S5E13 / 22 Sep 2017
The Curse of Savanti Romero
S5E14 / 27 Sep 2017
The Crypt of Dracula
S5E15 / 27 Sep 2017
The Frankenstein Experiment
S5E16 / 04 Oct 2017
Monsters Among Us
S5E17 / 11 Oct 2017
Wanted: Bebop and Rocksteady
S5E18 / 12 Nov 2017
The Foot Walks Again!
S5E19 / 12 Nov 2017
The Big Blow Out
S5E20 / 12 Nov 2017
Seth Green
Leonardo (voice)
Rob Paulsen
Donatello (voice)
Sean Astin
Raphael (voice)
Greg Cipes
Michelangelo (voice)
Mae Whitman
April (voice)
