The Grim Adventures of Billy & Mandy Season 1

Grim gets Billy and Mandy into Toadblatt's Summer School of Sorcery. Then, Mandy's arch-nemesis, Mindy, befriends Grim. Finally, Grim magically brings Billy and Irwin's monster cards to life.

An illness makes Grim so sick he actually becomes alive. Then, zombies crave the brownies Billy makes.

In a future time, Mandy rules the world. But not everyone is happy about it. Then, Eris returns and she's enlisting Billy's help to spread chaos. Finally, life is anything but a dream when Billy and Mandy share the same room.

Mandy visits the old haunted house down the street. No one has emerged from that house in years. Will Mandy's fate be different? Then, Irwin has turned into a werewolf! Billy makes the best of a bad situation and enters him into a dog show.

Grim falls in love with a Goth girl. But what will happen when she discovers Grim is not just a thin, pasty guy in black? Then, Nergal attempts to woo Billy's aunt. Can Billy stop Nergal from sweeping his aunt off her feet?

Billy hatches a talking spider from an egg in Grim's trunk. Then, to help Billy pass a test, Grim gives Billy a bookworm to smarten him up. Finally, while trying to stop his favourite show from being cancelled, Grim becomes its new host.

Billy and Mandy go to camp and must contend with snowy weather, a freezing cabin and Nergal, Jr. Then, Grim is mistaken for Sister Big Mama and gets adopted by nuns. Finally, Grim and the kids enter the annual Endsville Go Kart Competition!

After eating too much junk food, Billy grows an evil pint-sized version of himself. Then, Grim must evade extermination at the hands of Hoss Delgado, Spectral Exterminator. Finally, Billy is a wreck when Mandy goes away for the weekend.

Billy runs afoul of Sperg, the school bully. With the help of Mandy and Grim, will Billy get Sperg to leave him alone? Then, Billy steals Grim's bad book and accidentally brings about the beginning of an apocalypse.

Grim becomes the lead singer of a goth metal band. Then, Billy befriends a giant brain-eating meteor in his backyard. Finally, Grim, Billy and Mandy eat some bad pizza, resulting in a series of bizarre dreams.

Billy and Mandy play a game with the Grim Reaper for the soul of a hamster. Then, Billy's mom discovers Grim sleeping in her son's room. Finally, Grim's patience is put to the test as he is forced to deal with an unconventional holiday.

Grim teaches Billy how to take control of someone else's body. Then, the Grim Reaper confesses to a desire to be a swimsuit model. Finally, Grim misses his job and goes out on the town hoping to recapture the glory of his past.

When Billy and Mandy are kidnapped, Grim must decide to rescue them or relax. Then, after Billy eats the cookies they're selling, Grim saves the day with his Great Aunt's recipe. Finally, Billy and Mandy discover Grim's mom is a genie.

While on a Halloween excursion, Grim finds himself mistaken for a young boy named Gregory. Now it's up to Billy and Mandy to return Gregory to his mom and retrieve Grim. As a young reaper, Grim learns his fate from his first customer.

Jack, a headless prankster from Grim's past, uses Billy to steal Grim's scythe so he can destroy Grim and take over the world with demons from the Netherworld.

Nergal returns trying to win friends with a carnival. Then, while on an excursion, Grim is mistaken for Gregory. Finally, when Billy and Irwin get addicted to the video, Mandy and Grim give Billy and Irwin a taste of the real thing.