8.0/10132 votes#1 - Meet the Reaper
Season 1 Episode 1 - Aired 8/24/2001
Billy's pet hamster, Mr. Snuggles, celebrates his 10th birthday, so the Grim Reaper comes for him. However, Mandy, Billy's friend, is reluctant in allowing it, so she proposes a deal to the Grim Reaper: if he beats the kids in a game, he can take the hamster, but if he loses, he will spare the hamster's life and become their "best friend forever". The Grim Reaper transports the kids to limbo, where he challenges them to a game of limbo. Despite his best effort, Grim ends up losing because he is attacked by Mr. Snuggles at Mandy’s command.
Director: Maxwell Atoms
Writer: Maxwell Atoms
8.0/10111 votes#2 - Skeletons in the Water Closet
Season 1 Episode 2 - Aired 8/24/2001
Billy's mother, Gladys, first notices Grim in Billy's bed, then in the shower and subsequently starts to get panic surges thinking that Billy is in danger. Meanwhile, Harold, Billy's dad, just thinks that Gladys is imagining things. In the end, Gladys ends up going living with Billy's aunt, Sis to try and calm herself down.
Director: Dave Brain
Writer: Greg Miller
7.5/1099 votes#3 - Opposite Day
Season 1 Episode 3 - Aired 8/31/2001
Billy and Mandy tell Grim it is "Opposite Day" and that, when they say something, they really mean the opposite. Due to his difficulty understanding the concept of Opposite Day, Grim has to do Mandy's chores. Finally, Grim thinks he understands when Billy and Mandy say they "want" pie, meaning they "do not want" pie. However, Mandy then says that when she said it was Opposite Day, it really was not.
Director: Dave Brain
Writer: Maxwell Atoms
8.2/10111 votes#4 - Look Alive!
Season 1 Episode 4 - Aired 8/31/2001
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 swimsuit model, but, as he is a corpse, he is not hired. Subsequently, Billy and Mandy give him a makeover to look more human. In the end, Grim gets the job in a TV ad, but he is only in the commercial for a few seconds and is portrayed as an ugly person.
Director: Brian Hogan
Writer: Maxwell Atoms
7.7/1091 votes#5 - Mortal Dilemma
Season 1 Episode 5 - Aired 9/7/2001
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 Underworld co-workers. Having a sudden epiphany, Grim decides to be good and help people rather than try to take their souls. However, Grim's attempts at being good are faced with resistance from people, who are scared off by his appearance.
Director: Brian Hogan
Writer: Amy Keating Rogers
7.6/1088 votes#6 - Get Out of My Head!
Season 1 Episode 6 - Aired 9/7/2001
After watching a movie, Grim teaches Billy to possess people by jumping into their heads. Billy possesses Mandy and makes her do assorted things like flirting with Irwin, kissing Mandy's mother, going into both men's and women's restrooms and eating earthworms. In the end, Billy leaves Mandy's head, but later that night, Mandy possesses Billy's cat, Milkshakes, to maul him as a form of revenge.
Director: Dave Brain
Writer: Maxwell Atoms
7.9/1089 votes#7 - Fiend Is Like Friend Without the 'R'
Season 1 Episode 7 - Aired 10/5/2001
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 in as well. They land at the center of the Earth, which is home of Nergal, a devilish creature. The lonely Nergal, who has been watching Billy and Mandy for some time, wants Grim to hand over the kids to him so they can be his friends forever. Grim happily leaves the kids behind as he returns to the surface; however, he later goes back for them because he can't handle the guilt of abandoning his friends. In the end, Grim is defeated by Nergal's electrified tentacles, but Mandy defeats Nergal merely by kicking him in the shin.
Director: Brian Hogan
Writer: Craig Lewis
8.1/1080 votes#8 - Recipe for Disaster
Season 1 Episode 8 - Aired 10/12/2001
Billy, Mandy, Grim and Pud'n are part of the "Person Scouts" (a Boy Scouts-esque organization) and need to sell cookies in order to win a badge. However, as Billy eats all of the cookies, Grim proposes to bake their own cookies using his aunt Kali's secret recipe. The cookies are a success and the troupe wins the contest. In the end, at the Person Scouts awards ceremony, aunt Kali reveals that the secret recipe contains insects, but everyone continues eating the cookies anyway.
Director: Dave Brain
Writer: Maxwell Atoms
8.0/1074 votes#9 - A Dumb Wish
Season 1 Episode 9 - Aired 10/19/2001
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 releases the curse Grim had warned them about: his own mother. Having three wishes to make, Billy wastes his wish by wishing to know what to wish for. Mandy wishes Billy and Grim would "shut up", so Grim never gets to make his wish. Then, Mandy decides to make the last wish to whoever makes her the happiest. In the end, Mandy wishes everyone in the world would go away, which she is glad about.
Director: Brian Hogan
Writer: Paul McEvoy
NaN/100 votes#10 - Grim vs. Mom
Season 1 Episode 10 - Aired 7/19/2002
After having a nervous breakdown and leaving the house in the first episode, Billy's mother, Gladys, returns. She meets Grim again and, this time, she plans to destroy him once and for all. When Grim goes to the kitchen for a glass of water, Gladys attacks him and shatters his skeleton. In the end, Grim assures the kids that Gladys has won the battle but not the war.
Director: Brian Hogan
Writer: Gord Zajac
NaN/100 votes#11 - Tastes Like Chicken
Season 1 Episode 11 - Aired 7/19/2002
With Irwin not answering the phone, Billy's parents missing and Mandy saying she wants "Billy for dinner", Billy and Grim assume Mandy is a cannibal who ate Billy's parents and friends. Looking for proof, Billy and Grim find tiki figures and arrangements for a celebration in Mandy's backyard. Ultimately, it is revealed that they are just celebrating Billy's birthday. Still, Mandy burps out Irwin's glasses.
Director: Brian Hogan, John McIntyre
Writer: Gord Zajac
7.0/101 votes#12 - Grim or Gregory?
Season 1 Episode 12 - Aired 7/26/2002
It's Halloween, Billy, Mandy and Grim go trick-or-treating. Grim mistakes a woman for Atrocia, the host of the all-night Halloween marathon on TV and goes to talk to her. Upon looking at her face, Grim realizes his mistake; however, the woman mistakes Grim for her son, Gregory, and takes him home Gregory is now Grim, and does not have a stomach. At the same time, Billy mistakes Gregory for Grim and he and Mandy take him with them. In the end, Billy and Mandy take Gregory back to his mother and Grim goes back with them.
Director: Brian Hogan
Writer: Gord Zajac
7.0/101 votes#13 - Something Stupid This Way Comes
Season 1 Episode 13 - Aired 7/26/2002
Nergal, the fiend from the center of the Earth, returns to the surface, emerging a carnival with him, trying once more to make friends. In the following, Billy tries to help Nergal make friends by being considerate, but Nergal fails to apply correctly his advice. When Nergal is told that Grim was forced to be Billy and Mandy's friend-slave, Nergal then decides to force the world to be his friends by turning them into dark beings similar to him. In the end, Nergal turns Billy, Mandy, Grim and even the viewer (thus breaking the fourth wall) into one before the episode ends.
Director: John McIntyre, Robert Alvarez
Writer: Craig Lewis
7.7/1055 votes#14 - A Grim Surprise
Season 1 Episode 14 - Aired 8/2/2002
Billy tells Grim to help him throw a surprise birthday party for Mandy. Then, a reluctant Grim helps Billy prepare a cake while keeping it a secret from Mandy. In the end, a somewhat surprised Mandy reveals that her birthday isn't for the next five months, something that Billy already knew about.
Director: John McIntyre, Robert Alvarez
Writer: Rob Desales
8.4/10153 votes#15 - Beasts and Barbarians
Season 1 Episode 15 - Aired 8/2/2002
Billy and Irwin have been playing their favorite video game, Beasts and Barbarians, for three days non-stop. In an attempt to stop their video game addiction, Grim transports them all to a real-life version of the game. Seeing as Billy and Irwin are still doing good in their quest, Grim increases the difficulty by manipulating the traps himself. In the end, Billy, Mandy, and Grim return home escaping from a giant cyclops, while Irwin remains trapped.
Director: Dave Brain
Writer: Gord Zajac
NaN/100 votes#16 - Hoss Delgado: Spectral Exterminator
Season 1 Episode 16 - Aired 8/9/2002
Billy, Mandy, and Grim go to the museum on a school trip. There, they meet Hoss Delgado, self-appointed hunter of the paranormal, who upon spotting Grim, tries to eliminate him. Subsequently, Grim and Delgado engage in a fight. Finally, Delgado quits hunting Grim when he realizes Billy and Mandy control him. In the end, Delgado continues his own adventures and is seen fighting a werewolf.
Director: Brian Hogan
Writer: Gord Zajac
NaN/100 votes#17 - To Eris Human
Season 1 Episode 17 - Aired 8/9/2002
While going to the shopping mall with Billy and Mandy, Grim spots the beautiful Eris, the goddess of discord and chaos, and tries to ask her out. However, Eris is not interested in the skinless Grim, but in the muscular Adonis. Then, Eris invites Mandy to join her in creating chaos using the Apple of Discord. Although initially they get along, Eris pulls a prank on Mandy, who subsequently tries to get revenge. In the end, Mandy fools Eris into thinking that Adonis is in the movie theater, and Eris accidentally kisses Grim.
Director: Dave Brain
Writer: Gord Zajac
7.0/101 votes#18 - Billy's Growth Spurt
Season 1 Episode 18 - Aired 10/4/2002
Billy eats too much junk food that makes him feel sick. Grim prepares him a remedy using his granny's recipe, but this medicine makes a parasite to start growing in Billy's back, which Billy names Yap-yap. In the following, Billy and Yap-yap continue eating junk food, so Mandy suggest to use the antidote to the original remedy. Eventually, Yap-yap, now looking like a smaller version of Billy, detaches himself from Billy (which would have technically cured Billy without the need of him drinking the anitdote), and tries to escape from the antidote. In the end, Yap-yap drinks the antidote and is destroyed.
Director: Brian Hogan
Writer: Gord Zajac
7.0/101 votes#19 - Billy & the Bully
Season 1 Episode 19 - Aired 10/4/2002
Billy is constantly provoked by a bully named Sperg and runs over to Grim for help.
Director: John McIntyre, Robert Alvarez
Writer: Gord Zajac
NaN/100 votes#20 - Big Trouble in Billy's Basement
Season 1 Episode 20 - Aired 10/11/2002
After taking the Underworld's "Bad Book" from Grim, Billy becomes possessed by an evil entity. Then, Billy steals Grim's scythe, and uses it to open a portal to summon Yog-Sothoth. In consequence, Mandy calls for Hoss Delgado to battle Billy. It is revealed that the portal can only be sealed by throwing the book into it. As Billy eats the book, Mandy throws Billy himself into the portal, restoring everything to normal. Instants later, a portal opens up and Billy comes out and says they didn't want him there.
Director: John McIntyre, Robert Alvarez
Writer: Gord Zajac
NaN/100 votes#21 - Tickle Me Mandy
Season 1 Episode 21 - Aired 10/11/2002
Mandy and her parents leave the city for a day, which makes Billy feel lonely. Then, Grim uses his supernatural powers to create a fake Mandy with pieces of dolls and toys for Billy to play with. However, the "new" Mandy is too aggressive with Billy, and he starts fearing her. The next day, the real Mandy returns home, and promptly destroys the new Mandy while in the see-saw.
Director: Brian Hogan
Writer: Gord Zajac
NaN/100 votes#22 - Little Rock of Horrors
Season 1 Episode 22 - Aired 10/18/2002
In this musical episode, which pays homage to Little Shop of Horrors, Billy befriends a singing brain-eating meteor (voiced by Voltaire) that falls from the sky. With Billy's help, the creature grows bigger and eventually eats the brains of all people in Endsville (turning them into zombies with glowing green eyes). The last brain he eats is Mandy's, which results in the creature transforming into a brain-eating Mandy. The song featured is BRAINS!, composed by goth artist Voltaire specifically for this episode.
Director: Robert Alvarez
Writer: Gord Zajac
NaN/100 votes#23 - Dream a Little Dream
Season 1 Episode 23 - Aired 10/18/2002
Billy, Mandy, and Grim eat moldy pizza leftovers, and after falling asleep, they have nightmares. Billy dreams of cute bunnies which turn into monsters; Grim dreams of an endless number of bossy Mandys; Mandy dreams of being pulled into a volcano and then commanding demons at the rhythm of music, in a scene that reminisces the Night on Bald Mountain segment of Fantasia. In the end, Mandy reveals that her dream was actually very pleasant, and she eats the last slice of the rotten pizza.
Director: Dave Brain
Writer: Gord Zajac
The Best Episodes of The Grim Adventures of Billy and Mandy Season 1
Every episode of The Grim Adventures of Billy and Mandy Season 1 ranked from best to worst. Discover the Best Episodes of The Grim Adventures of Billy and Mandy Season 1!
The exploits of the Grim Reaper, who has been forced into being the best friend of two children. A spin-off of the show Grim &...
Genres:AnimationComedyKids
Network:Cartoon Network
Season 1 Ratings Summary
"Meet the Reaper" is the best rated episode of "The Grim Adventures of Billy and Mandy" season 1. It scored 8/10 based on 132 votes. Directed by Maxwell Atoms and written by Maxwell Atoms, it aired on 8/24/2001. This episode is rated 0.0 points higher than the second-best, "Skeletons in the Water Closet".