Season 4

2005 · 24 episodes · 0h 30m in all · 6.8/10

1. The Secret Snake Club
25 Feb 2005 · 4.0/10
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
1 Apr 2005 · 7.0/10
Mindy leaves the school mascot with Billy for safekeeping and the animal mischief leaves no one unscathed.
3. Hog Wild
1 Apr 2005
Billy’s dad gets a new motorcycle just in time for Billy’s rebellion.
4. The Bad News Ghouls
8 Apr 2005 · 7.0/10
Baseball gets scary when Grim brings in some dead ringers to help Billy & Irwin defeat Mindy’s team.
5. The House of No Tomorrow
8 Apr 2005
Billy, Grim, and Mandy visit a closed amusement park attraction and find out why they should fear the future.
6. Happy Huggy Stuffy Bears
15 Apr 2005 · 7.0/10
Mandy’s burgeoning acting career unleashes toys with an ulterior motive.
7. The Secret Decoder Ring
15 Apr 2005
An acquaintance from Grim’s past attempts to entice Endsville’s children to free her from an ancient high school curse.
8. Wild Parts
3 Jun 2005 · 7.0/10
Billy’s nose is lured away by a Nasalmancer looking for the ultimate scent-sation.
9. The Problem with Billy
3 Jun 2005
Billy’s Dad regales Grim and Mandy with tales of Billy’s mental prowess.
10. Wishbones
10 Jun 2005 · 7.0/10
A mystical skull with nine wishes to bestow grants desires with a side of poetic justice.
11. Dream Mutt
17 Jun 2005 · 7.0/10
Grim concocts the perfect dog for Billy, but the dog has his own ideas about who the master is.
12. Scythe for Sale
17 Jun 2005
Absolute power corrupts Irwin absolutely when Billy sells him Grim’s scythe by mistake.
13. Jeffy's Web
24 Jun 2005 · 7.0/10
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
24 Jun 2005 · 30 min
Irwin hopes to win Mandy’s affection by learning how to be cool from Hoss Delgado, Spectral Exterminator.
15. Duck!
24 Jun 2005 · 7.0/10
It’s a comedy of bad manners when Endsville is haunted by an invisible Duck.
16. Aren't You Chupacabra to See Me?
24 Jun 2005
Billy’s new best friend is sucking the life out of him.
17. Zip Your Fly
27 Jun 2005 · 7.0/10
It’s all fun and games until Mandy’s serious wardrobe malfunction turns a prank into anarchy.
18. Puddle Jumping
27 Jun 2005
Summer is always more fun with an interdimensional blow up swimming pool.
19. Runaway Pants
28 Jun 2005 · 7.0/10
Billy convinces Nergal Jr. to help him cheat on the Presidential Fitness Test with runaway success.
20. Scythe 2.0
28 Jun 2005
Billy convinces Nergal Jr. to help him cheat on the Presidential Fitness Test with runaway success.
21. The Firebird Sweet
29 Jun 2006 · 7.0/10
Eris is back to wreak havoc on Billy, Mandy, and Grim with her delicious new plot.
22. The Bubble with Billy
29 Jun 2006
Billy can’t get enough of Grim’s supernatural chewing gum until it blows up in his face.
23. Billy Idiot
30 Jun 2005 · 7.0/10
Dancing school takes talent, hard work… and your soul!
24. Home of the Ancients
30 Jun 2005
Even Dracula, the Wolfman, and the Bride of Frankenstein have gotten old, but they’re still cool to Grim.