The Grim Adventures of Billy and Mandy Season 4 Episode release dates & where to watch

1. The Secret Snake Club

Mandy joins the Secret Snake Club where they call forth an ancient entity to save nerds from persecution.

2. He's Not Dead, He's My Mascot

Mindy leaves the school mascot with Billy for safekeeping and the animal mischief leaves no one unscathed.

3. Hog Wild

Billy’s dad gets a new motorcycle just in time for Billy’s rebellion.

4. The Bad News Ghouls

Baseball gets scary when Grim brings in some dead ringers to help Billy & Irwin defeat Mindy’s team.

5. The House of No Tomorrow

Billy, Grim, and Mandy visit a closed amusement park attraction and find out why they should fear the future.

6. Happy Huggy Stuffy Bears

Mandy’s burgeoning acting career unleashes toys with an ulterior motive.

7. The Secret Decoder Ring

An acquaintance from Grim’s past attempts to entice Endsville’s children to free her from an ancient high school curse.

8. Wild Parts

Billy’s nose is lured away by a Nasalmancer looking for the ultimate scent-sation.

9. The Problem with Billy

Billy’s Dad regales Grim and Mandy with tales of Billy’s mental prowess.

10. Wishbones

A mystical skull with nine wishes to bestow grants desires with a side of poetic justice.

11. Dream Mutt

Grim concocts the perfect dog for Billy, but the dog has his own ideas about who the master is.

12. Scythe for Sale

Absolute power corrupts Irwin absolutely when Billy sells him Grim’s scythe by mistake.

13. Jeffy's Web

Billy’s son Jeffy is about to be a dad… or a mom, and Billy must deal with his fear of many spiders.

14. Irwin Gets a Clue

Irwin hopes to win Mandy’s affection by learning how to be cool from Hoss Delgado, Spectral Exterminator.

15. Duck!

It’s a comedy of bad manners when Endsville is haunted by an invisible Duck.

16. Aren't You Chupacabra to See Me?

Billy’s new best friend is sucking the life out of him.

17. Zip Your Fly

It’s all fun and games until Mandy’s serious wardrobe malfunction turns a prank into anarchy.

18. Puddle Jumping

Summer is always more fun with an interdimensional blow up swimming pool.

19. Runaway Pants

Billy convinces Nergal Jr. to help him cheat on the Presidential Fitness Test with runaway success.

20. Scythe 2.0

Billy convinces Nergal Jr. to help him cheat on the Presidential Fitness Test with runaway success.

21. The Firebird Sweet

Eris is back to wreak havoc on Billy, Mandy, and Grim with her delicious new plot.

22. The Bubble with Billy

Billy can’t get enough of Grim’s supernatural chewing gum until it blows up in his face.

23. Billy Idiot

Dancing school takes talent, hard work… and your soul!

24. Home of the Ancients Finale

Even Dracula, the Wolfman, and the Bride of Frankenstein have gotten old, but they’re still cool to Grim.