August 24, 2001
Billy's pet hamster, Mr. Snuggles, celebrates his 10th birthday, so the Grim Reaper comes for him. However, Mandy, Billy's friend,...Read more
August 24, 2001
Billy's mother, Gladys, first notices Grim in Billy's bed, then in the shower and subsequently starts to get panic surges thinking...Read more
August 31, 2001
Billy and Mandy tell Grim it is "Opposite Day" and that, when they say something, they really mean the opposite. Due to his diffic...Read more
August 31, 2001
Grim is bored of being left alone while Billy and Mandy are not with him. Grim decides to fulfill his dream by working as a swimsu...Read more
August 31, 2001
Grim misses his life as the reaper of souls and, due to his bet, he cannot return to the Underworld, much to the hilarity of his U...Read more
September 7, 2001
After watching a movie, Grim teaches Billy to possess people by jumping into their heads. Billy possesses Mandy and makes her do a...Read more
October 5, 2001
Billy wanders into a junkyard, where a massive hole in the earth opens up and pulls him down in. Later, Mandy and Grim get pulled ...Read more
July 26, 2002
Billy, Mandy, Grim and Pud'n are part of the "Person Scouts" (a Boy Scouts-esque organization) and need to sell cookies in order t...Read more
October 19, 2001
While Spring cleaning in the middle of November, Billy takes an old, cursed lamp from Grim's trunk. When he gives it a rub, he rel...Read more
July 19, 2002
After having a nervous breakdown and leaving the house in the first episode, Billy's mother, Gladys, returns. She meets Grim again...Read more
July 19, 2002
With Irwin not answering the phone, Billy's parents missing and Mandy saying she wants "Billy for dinner", Billy and Grim assume M...Read more
July 26, 2002
It's Halloween, Billy, Mandy and Grim go trick-or-treating. Grim mistakes a woman for Atrocia, the host of the all-night Halloween...Read more
July 26, 2002
Nergal, the fiend from the center of the Earth, returns to the surface, emerging a carnival with him, trying once more to make fri...Read more
July 26, 2002
Billy tells Grim to help him throw a surprise birthday party for Mandy. Then, a reluctant Grim helps Billy prepare a cake while ke...Read more
August 2, 2002
Billy and Irwin have been playing their favorite video game, Beasts and Barbarians, for three days non-stop. In an attempt to stop...Read more
September 9, 2002
Billy, Mandy, and Grim go to the museum on a school trip. There, they meet Hoss Delgado, self-appointed hunter of the paranormal, ...Read more
August 9, 2002
While going to the shopping mall with Billy and Mandy, Grim spots the beautiful Eris, the goddess of discord and chaos, and tries ...Read more
October 4, 2002
Billy eats too much junk food that makes him feel sick. Grim prepares him a remedy using his granny's recipe, but this medicine ma...Read more
October 4, 2002
Billy is constantly provoked by a bully named Sperg and runs over to Grim for help.
October 4, 2002
After taking the Underworld's "Bad Book" from Grim, Billy becomes possessed by an evil entity. Then, Billy steals Grim's scythe, a...Read more
October 11, 2002
Mandy and her parents leave the city for a day, which makes Billy feel lonely. Then, Grim uses his supernatural powers to create a...Read more
October 18, 2002
In this musical episode, which pays homage to Little Shop of Horrors, Billy befriends a brain-eating meteor that falls from the sk...Read more
October 18, 2002
Billy, Mandy, and Grim eat moldy pizza leftovers, and after falling asleep, they have nightmares. Billy dreams of cute bunnies whi...Read more