Teenage Mutant Ninja Turtles (Season 4)

Beyond the Known Universe (Episode 1) 1.0

Writer: Brandon Auman

Air date: 2015-10-25

Runtime: 22 min

The Moons of Thalos 3 (Episode 2) 1.0

Writer: John Shirley

Air date: 2015-11-01

Runtime: 22 min

Overview: The Turtles and their enemy crash-land on an ice moon and they must put aside their differences in order to survive.

The Weird World of Wyrm (Episode 3)

Writer: Randolph Heard

Air date: 2015-11-08

Runtime: 22 min

Overview: Casey releases a wish-granting alien named Wyrm, who wants his freedom to do whatever he wants to the universe

The Outlaw Armaggon! (Episode 4)

Writer: Gavin Hignight

Air date: 2015-11-15

Runtime: 22 min

Overview: A shark-like bounty hunter is hired by Lord Dregg to destroy the turtles, who choose to hide out in an abandoned space station.

Riddle of the Ancient Aeons (Episode 5)

Writer: Brandon Auman

Air date: 2016-01-10

Runtime: 22 min

Journey to the Center of Mikey's Mind (Episode 6)

Writer: Todd Casey

Air date: 2016-01-17

Runtime: 22 min

The Arena of Carnage (Episode 7)

Writer: Peter Di Cicco

Air date: 2016-01-24

Runtime: 22 min

The War for Dimension X (Episode 8)

Writer: Kevin Burke

Air date: 2016-01-31

Runtime: 22 min

Overview: The Turtles must gain the trust of the Utrom Council in order to find the next piece of the black hole generator.

The Cosmic Ocean (Episode 9)

Writer: Mark Henry

Air date: 2016-03-13

Runtime: 22 min

Overview: The Turtles journey through an ocean-like area of space.

Trans-Dimensional Turtles (Episode 10)

Writer: Brandon Auman

Air date: 2016-03-27

Runtime: 22 min

Overview: The Turtles are transported to another dimension where they meet their 1980s counterparts and work together to battle Krang.

Revenge of the Triceratons (Episode 11)

Writer: Randolph Heard

Air date: 2016-04-03

Runtime: 22 min

Overview: Donatello is feeling inferior to Fugitoid, but his intellect is put to the test when the Triceratons attack.

The Evil of Dregg (Episode 12)

Writer: Gavin Hignight

Air date: 2016-04-10

Runtime: 22 min

Overview: When Raphael loses his fighting mojo, he must overcome his feelings to save his brothers from certain doom.

The Ever-Burning Fire (Episode 13)

Writer: John Shirley

Air date: 2016-04-17

Runtime: 22 min

Overview: The team must overcome impossible odds in order to obtain the final Black Hole Generator piece that is located on the planet Magdomar.

Earth's Last Stand (Episode 14)

Writer: Brandon Auman

Air date: 2016-04-24

Runtime: 22 min

City at War (Episode 15)

Writer: Brandon Auman

Air date: 2016-08-14

Runtime: 22 min

Broken Foot (Episode 16)

Writer: Peter Di Cicco

Air date: 2016-08-21

Runtime: 22 min

Overview: When Leonardo secretly allies himself with Karai, he gets himself into deeper danger than he could have realized.

The Insecta Trifecta (Episode 17)

Writer: Kevin Burke

Air date: 2016-08-28

Runtime: 22 min

Overview: Raphael must overcome his fear of insects to lead the team when they are forced to battle Stockman-Fly's new insect minions.

Mutant Gangland (Episode 18)

Writer: Todd Casey

Air date: 2016-09-04

Runtime: 22 min

Overview: Don Vizioso's gang tracks the Turtles with a slew of Anti-Mutant weapons.

Bat in the Belfry (Episode 19)

Writer: Eugene Son

Air date: 2016-09-11

Runtime: 22 min

The Super Shredder (Episode 20) 1.0

Writer: Brandon Auman

Air date: 2016-11-06

Runtime: 22 min

Overview: For the first time, the Turtles encounter something they cannot defeat – the Super Shredder!

Darkest Plight (Episode 21) 5.5

Writer: Randolph Heard

Air date: 2016-11-13

Runtime: 22 min

Overview: The Turtle team hunts for their Sensei, but soon realizes they are being hunted as well.

The Power Inside Her (Episode 22)

Writer: Peter Di Cicco

Air date: 2016-11-20

Runtime: 22 min

Overview: Donatello becomes concerned and decides to test April, only to discover that her psychic abilities are rapidly growing in power.

Tokka vs. the World (Episode 23) 1.0

Writer: Gavin Hignight

Air date: 2017-02-05

Runtime: 22 min

Tale of Tiger Claw (Episode 24) 1.0

Writer: Mark Henry

Air date: 2017-02-12

Runtime: 22 min

Requiem (Episode 25) 1.0

Writer: Brandon Auman

Air date: 2017-02-19

Runtime: 22 min

Owari (Episode 26) 1.0

Writer: Brandon Auman

Air date: 2017-02-26

Runtime: 22 min

Overview: With the demise of their beloved father and Karai incapacitated, the Turtles, April, and Casey, infiltrate Super Shredder's new lair to put an end to Oroku Saki once and for all, no matter what it takes.