1The Secret Snake Club
Mandy joins the Secret Snake Club where they call forth an ancient entity to save nerds from persecution.
2He's Not Dead, He's My Mascot
Mindy leaves the school mascot with Billy for safekeeping and the animal mischief leaves no one unscathed.
3Hog Wild
Billy’s dad gets a new motorcycle just in time for Billy’s rebellion.
4The Bad News Ghouls
Baseball gets scary when Grim brings in some dead ringers to help Billy & Irwin defeat Mindy’s team.
5The House of No Tomorrow
Billy, Grim, and Mandy visit a closed amusement park attraction and find out why they should fear the future.
6Happy Huggy Stuffy Bears
Mandy’s burgeoning acting career unleashes toys with an ulterior motive.
7The Secret Decoder Ring
An acquaintance from Grim’s past attempts to entice Endsville’s children to free her from an ancient high school curse.
8Wild Parts
Billy’s nose is lured away by a Nasalmancer looking for the ultimate scent-sation.
9The Problem with Billy
Billy’s Dad regales Grim and Mandy with tales of Billy’s mental prowess.
10Wishbones
A mystical skull with nine wishes to bestow grants desires with a side of poetic justice.
11Dream Mutt
Grim concocts the perfect dog for Billy, but the dog has his own ideas about who the master is.
12Scythe for Sale
Absolute power corrupts Irwin absolutely when Billy sells him Grim’s scythe by mistake.
13Jeffy'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.
14Irwin Gets a Clue
Irwin hopes to win Mandy’s affection by learning how to be cool from Hoss Delgado, Spectral Exterminator.
15Duck!
It’s a comedy of bad manners when Endsville is haunted by an invisible Duck.
16Aren't You Chupacabra to See Me?
Billy’s new best friend is sucking the life out of him.
17Zip Your Fly
It’s all fun and games until Mandy’s serious wardrobe malfunction turns a prank into anarchy.
18Puddle Jumping
Summer is always more fun with an interdimensional blow up swimming pool.
19Runaway Pants
Billy convinces Nergal Jr. to help him cheat on the Presidential Fitness Test with runaway success.
20Scythe 2.0
Billy convinces Nergal Jr. to help him cheat on the Presidential Fitness Test with runaway success.
21The Firebird Sweet
Eris is back to wreak havoc on Billy, Mandy, and Grim with her delicious new plot.
22The Bubble with Billy
Billy can’t get enough of Grim’s supernatural chewing gum until it blows up in his face.
23Billy Idiot
Dancing school takes talent, hard work… and your soul!
24Home of the Ancients
Even Dracula, the Wolfman, and the Bride of Frankenstein have gotten old, but they’re still cool to Grim.