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Justice League Action

Season 1 Episode 40: The Brain Buster

A mysterious creature abducts Batman, Mr. Terrific, Luthor and two of the brainiest villains in the universe to put them to the test to discover who is the smartest among them.

Season 1 Episodes:

Episode 6 Nuclear Family Values

6. Nuclear Family Values

Aired: Jan 28, 2017

The Justice League enlists Firestorm's help, and he returns to his roots to f...

Episode 7 Zombie King

7. Zombie King

Aired: Feb 4, 2017

Batman joins forces with a motley crew of supernatural allies to thwart Solom...

Episode 8 Galaxy Jest

8. Galaxy Jest

Aired: Feb 11, 2017

In the next episode, a dynamic duo of Wonder Woman and Superman embark on a m...

Episode 9 Time Share

9. Time Share

Aired: Feb 18, 2017

In the next episode, Batman and Blue Beetle find themselves hurtled back in t...

Episode 10 Under a Red Sun

10. Under a Red Sun

Aired: Feb 25, 2017

Superman finds himself stranded on a distant planet orbiting a red sun, the r...

Episode 11 Play Date

11. Play Date

Aired: Mar 4, 2017

When the Justice League Watchtower is invaded by Toyman and his army of....to...

Episode 12 Repulse!

12. Repulse!

Aired: Mar 11, 2017

Superman has been infected by the "Repulse", who was revealed as Lex Luthor, ...

Episode 13 Speed Demon

13. Speed Demon

Aired: Mar 18, 2017

After defeating Harley Quinn, Batman and Zatanna encounter Brother Night who ...

Episode 14 Hat Trick

14. Hat Trick

Aired: Mar 25, 2017

Felix Faust steals Zatanna's hat in order to free a massive demon and get his...

Episode 15 Luthor in Paradise

15. Luthor in Paradise

Aired: Apr 8, 2017

Lex Luthor and Circe invade Themyscira, home of the Amazons, to obtain a staf...

Episode 17 Freezer Burn

17. Freezer Burn

Aired: May 6, 2017

In the next episode, Mr. Freeze unleashes a chilling plan to encase Gotham Ci...

Episode 18 Trick or Threat

18. Trick or Threat

Aired: May 13, 2017

Cain the Caretaker tells the audience a Halloween story about the House of My...

Episode 21 Field Trip

21. Field Trip

Aired: Jun 3, 2017

As Superman gives Blue Beetle, Firestorm, and Stargirl a tour of the Fortress...

Episode 22 Double Cross

22. Double Cross

Aired: Jun 3, 2017

Batman has Plastic Man disguise himself as Two-Face in order to set a trap fo...

Episode 23 Inside Job

23. Inside Job

Aired: Jun 10, 2017

In a "Fantastic Voyage" like adventure, Atom shrinks Batman and Wonder Woman ...

Episode 25 Garden of Evil

25. Garden of Evil

Aired: Jun 24, 2017

Swamp Thing's vegetative powers are exploited by Poison Ivy, allowing her to ...

Episode 27 Time Out

27. Time Out

Aired: Jul 8, 2017

Batman teams up with Booster Gold when an alien creature starts literally eat...

Episode 28 The Fatal Fare

28. The Fatal Fare

Aired: Jul 15, 2017

Space Cabbie in advertently learns about a great threat to the Justice League...

Episode 29 Mxy's Mix-Up

29. Mxy's Mix-Up

Aired: Jul 22, 2017

While the Justice League attempts to protect the United Nations from Grodd's ...

Episode 31 Booster's Gold

31. Booster's Gold

Aired: Aug 12, 2017

Green Arrow becomes involved with Booster Gold when he discovers that the sel...

Episode 32 Boo-ray for Bizarro

32. Boo-ray for Bizarro

Aired: Aug 19, 2017

When the diabolical Amazo attacks the League and begins stealing their powers...

Episode 33 Best Day Ever

33. Best Day Ever

Aired: Aug 26, 2017

The Joker orchestrates a daring escape, using a Mother Box to liberate Lex Lu...

Episode 34 The Cube Root

34. The Cube Root

Aired: Sep 2, 2017

Old rivalries are rekindled when Dr. Martin Stein reveals to Ronnie that he a...

Episode 37 Phased and Confused

37. Phased and Confused

Aired: Sep 17, 2017

When members of the Justice League are affected by the Phantom Zone ray and b...

Episode 38 The Ringer

38. The Ringer

Aired: Sep 30, 2017

Sinestro's ring is suddenly much more powerful than usual, so the Justice Lea...

Episode 39 Forget Me Not

39. Forget Me Not

Aired: Oct 7, 2017

When Firestorm discovers that League members have no memory of who they are, ...

Episode 40 The Brain Buster

40. The Brain Buster

Aired: Oct 14, 2017

A mysterious creature abducts Batman, Mr. Terrific, Luthor and two of the bra...

Episode 42 Harley Goes Ape!

42. Harley Goes Ape!

Aired: Oct 28, 2017

When Gorilla Grodd takes control over Titano, the giant ape, the only person ...

Episode 44 System Error

44. System Error

Aired: Nov 11, 2017

When Batman discovers that he and the rest of the League are robots, he inves...

Episode 45 Race Against Crime

45. Race Against Crime

Aired: Nov 18, 2017

Superman and Flash race for charity only to fall under a trap perpetrated by ...

Episode 46 Party Animal

46. Party Animal

Aired: Dec 2, 2017

Green Arrow, who is determined to finally throw a successful holiday party fo...

Episode 47 Watchtower Tours

47. Watchtower Tours

Aired: Jan 6, 2018

Booster Gold's side hustle as a Watchtower tour guide inadvertently attracts ...

Episode 48 Barehanded

48. Barehanded

Aired: Jan 13, 2018

A desperate Green Lantern embarks on a perilous quest to recover his stolen r...

Episode 49 Captain Bamboozle

49. Captain Bamboozle

Aired: Jan 20, 2018

Uncle Dudley is granted incredible superpowers by Mr. Mxyzptlk, outdoing even...

Episode 51 Unleashed

51. Unleashed

Aired: Feb 3, 2018

Next episode, Plastic Man takes the reins of the Watchtower and is tasked wit...

Episode 52 She Wore Red Velvet

52. She Wore Red Velvet

Aired: Feb 10, 2018

Booster Gold's past comes back to haunt him as the Justice League is assaulte...

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Info about Justice League Action

Current Status: Ended

Network: Cartoon Network

Production Countries: United States, Denmark

Genres:Adventure, Family, Sci-Fi, Animation, Fantasy, Action