All episodes

The root of Billy’s destructive nature is discovered with the help of Lord Pain. The solution is shattering.

Billy’s boredom and failure to adhere to Grim’s warning brings about a house party of Netherworld proportions.

Serpentine mayhem ensues when Billy turns to the Secret Snake Club to help him get out of P.E. class.

When Irwin gets wrapped up in his mummy heritage, he learns that he is the last in a long line of Endsville’s Pharaohs.

When the unthinkable happens, the entire Universe is turned on its ear, and its up to Grim and Mandy to clean that ear up!

Grim discovers that he forgot to reap the abominable snowman, and heads to Nepal to rectify the situation. But it turns out that the yeti has other plans…

Everyone loves pizza, even freakish shapeshifting monsters from the center of the Earth!

What happens when a lovesick mermaid falls in love with an idiot?

General Skarr is lured back to the dark side when his former villainous companions return to live in his house.

Mandy, Grim and Skarr seek help to tame their tempers, but can one room hold that much rage?

Mandy needs her beauty sleep, but Billy risks his hide to keep her up all night.

The problem with the Undertoad is that he’s always dragging people down…

In this heartwarming tale of love and affection, Irwin and Nergal Junior discover the true meaning of romance.

When the Grim Reaper becomes a substitute teacher and starts banishing children to another dimension, Mandy has to beat the Reaper at his own game.

When cheese-obsessed alien invaders from the Moon abduct Billy, Mandy, and Grim, it’s up to our heroes to save the world’s dairy supply with magic, kung-fu, and a good nose-picking.

Everyone’s favorite O.G. (Original Ghoul) is back, but this time he’s hunted by Lionel Van Helsing, the infamous vampire hunter.

Grim tells the tales of Paul Bunyan, Pecos Bill, and John Henry in a way only Grim can.

The gang discover that the world’s most obnoxious wizard has turned bad, so they return to Toadblatt’s to stop the madness.

When Billy tries to shrink Mandy to the size of a mouse, the spell backfires and she goes on a gargantuan rampage.

When a wrong turn lands Billy and Mandy in Mexico, the kids must help Grim save El Dia De Los Muertos from certain doom.

Bile rises in your stomach during this episode about supernatural photography.