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The Best Episodes of The Grim Adventures of Billy and Mandy

Every episode of The Grim Adventures of Billy and Mandy ranked from best to worst. Let's dive into the Best Episodes of The Grim Adventures of Billy and Mandy!

Binge this in 9h 10m•Peaking at 9.2/10

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 & Evil.

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Episode Rankings

  1. #1 Fan Favorite
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    The Grim Adventures of Billy and Mandy Season 5 Episode 2 - One Crazy Summoner
    9.2/10(193 votes)

    #1 - One Crazy Summoner

    S5:E2

    When Billy's parents are attacked by an anaconda, Billy suggest visiting boy wizard Nigel Planter, because he can talk to snakes. Planter in fact does not speak to snakes, but to snacks, and instead he asks for Billy, Mandy and Grim's help to win the affections of Huffefnie Pfefferpfeffer, a beautiful witch in the School of Sorcery (and having a striking resemblance to Gladys). Planter tries using a romantic love potion and enchanted chocolates, but they do not work. The guys end up completely forgetting about Billy's parents.

    Director:Juli Murphy
    Writers:Maxwell Atoms, Mike Diederich

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  2. The Grim Adventures of Billy and Mandy Season 3 Episode 12 - Nigel Planter and the Chamber Pot of Secrets
    8.6/10(118 votes)

    #2 - Nigel Planter and the Chamber Pot of Secrets

    S3:E12

    When Billy, Mandy and Grim go playing golf, they encounter boy wizard Nigel Planter again, who is there hiding from the dark wizard Lord Moldybutt. They head back to the School of Sorcery, where they keep on running into Moldybutt, who warns them to stay away from the "Chamber Pot of Secrets" hidden in Dean Toadblatt's office. It is revealed that Lord Moldybutt is actually Toadblatt, who was disguising himself to scare off Planter. Note: The title is a spoof of Harry Potter and the Chamber of Secrets.

    Director:Shaun Cashman
    Writers:Maxwell Atoms, Mike Diederich

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  3. The Grim Adventures of Billy and Mandy Season 2 Episode 3 - It's Hokey Mon!
    8.5/10(118 votes)

    #3 - It's Hokey Mon!

    S2:E3

    Grim brings monster cards to life.

    Directors:Robert Alvarez, John McIntyre
    Writer:Gord Zajac

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  4. The Grim Adventures of Billy and Mandy Season 2 Episode 5 - Brown Evil
    8.4/10(187 votes)

    #4 - Brown Evil

    S2:E5

    Zombies crave the brownies Billy makes.

    Director:Robert Alvarez
    Writer:Gord Zajac

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  5. The Grim Adventures of Billy and Mandy Season 1 Episode 12 - Grim or Gregory?
    8.3/10(143 votes)

    #5 - Grim or Gregory?

    S1:E12

    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

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  6. The Grim Adventures of Billy and Mandy Season 4 Episode 4 - The Bad News Ghouls
    8.3/10(117 votes)

    #6 - The Bad News Ghouls

    S4:E4

    After Billy's baseball team loses badly against Mindy's, Grim decides to coach them. Mandy is not allowed on the team, as Billy is reluctant to let girls play, although he does not realize Mindy is a girl too. Mandy puts on a baseball cap and, assuming the role of "Manfred", pitches for Billy's team anyway. With additional help from ghoulish players which played in the Underworld Little Leagues alongside Grim, Billy's team wins when Pud'n hits a home run.

    Director:Brian Sheesley
    Writers:Vincent Waller, Richard Steven Horvitz

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    The 20 WORST Episodes of The Grim Adventures of Billy and Mandy

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  7. The Grim Adventures of Billy and Mandy Season 1 Episode 10 - Grim vs. Mom
    8.2/10(144 votes)

    #7 - Grim vs. Mom

    S1:E10

    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

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  8. The Grim Adventures of Billy and Mandy Season 4 Episode 14 - Irwin Gets a Clue
    8.2/10(197 votes)

    #8 - Irwin Gets a Clue

    S4:E14

    After seeing Billy, Mandy and Grim battling a strange creature, Irwin again feels rejected by Mandy. Hoss Delgado, spectral exterminator, appears to help Mandy destroy the monster. Delgado decides to have Irwin as his sidekick and train him to be "cool" to win Mandy's love. Irwin gets an attire like Delgado's, and attaches an egg beater to his right hand. Delgado releases a monster so Irwin can fight it and impress Mandy, but he is humiliated anyway. Mandy tells Irwin he is just a nerd, and Billy tries to assure him that being a nerd is not such a bad thing after all.

    Director:Sue Perrotto
    Writers:Jim Schumann, Zena Leigh Logan

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  9. The Grim Adventures of Billy and Mandy Season 6 Episode 4 - The Love That Dare Not Speak Its Name
    8.2/10(85 votes)

    #9 - The Love That Dare Not Speak Its Name

    S6:E4

    When Billy decides he wants to grow up to be like Grim, he says nothing will stand in the way of their friendship. They meet a girl named Blandy, who looks very much like Billy, and Billy falls completely head-over-heels in love with her. When Blandy shows romantic interest in Grim, Billy is struck with mad jealousy and wants Grim out of the picture. Mandy consults Grim's encyclopaedia of monsters and realizes Blandy is actually a creature from another dimension. Despite Blandy showing her true form and leaving, Billy remains madly romantically infatuated with her; but only up until the following episode.

    Director:Eddy Houchins
    Writers:Jeremy J. Bargiel, Alex Almaguer

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  10. The Grim Adventures of Billy and Mandy Season 2 Episode 4 - Night of the Living Grim
    8.1/10(98 votes)

    #10 - Night of the Living Grim

    S2:E4

    Grim gets sick.

    Director:Juli Murphy
    Writer:Gord Zajac

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  11. The Grim Adventures of Billy and Mandy Season 2 Episode 11 - Tween Wolf
    8.1/10(105 votes)

    #11 - Tween Wolf

    S2:E11

    Irwin turns into a werewolf.

    Director:Pat Shinagawa
    Writer:Gord Zajac

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  12. The Grim Adventures of Billy and Mandy Season 1 Episode 9 - A Dumb Wish
    8.0/10(179 votes)

    #12 - A Dumb Wish

    S1:E9

    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

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  13. The Grim Adventures of Billy and Mandy Season 2 Episode 2 - Educating Grim
    8.0/10(112 votes)

    #13 - Educating Grim

    S2:E2

    Mindy befriends Grim.

    Director:Juli Murphy
    Writer:Rachael MacFarlane

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  14. The Grim Adventures of Billy and Mandy Season 5 Episode 9 - The Schlubs
    8.0/10(94 votes)

    #14 - The Schlubs

    S5:E9

    As Grim watches the entire season of "My Troubled Pony" (parodying My Little Pony), he learns from Mandy that the show was cancelled and does not have an ending. Grim decides to reap the "Schlubs" (a parody of The Smurfs), 100 creatures that live in Billy's yard, to melt them into gold so he can finance the creation of the series finale. Grim must get past Billy and the aggressive Schlubs themselves, including the single, large female (a parody of Smurfette). After Grim thinks he got the creatures with his scythe, Mandy appears to have used all the gold herself to become rich.

    Director:Eddy Houchins
    Writer:Maxwell Atoms

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  15. The Grim Adventures of Billy and Mandy Season 6 Episode 6 - Modern Primitives
    8.0/10(82 votes)

    #15 - Modern Primitives

    S6:E6

    When Billy digs his front yard he finds a frozen caveman, who is actually Fred Flintstone (from The Flintstones), but whom Billy names Jake Steele. Billy tries to acclimate Fred to the modern life but the job is not easy. When Fred is taken to school, he predictably goes out of control, kidnapping Miss Butterbean and running away in Principal Goodvibes' car. The ensuing chase results in Fred crashing into an ice cream truck, becoming frozen again. Instead of reaping him, Billy decides to bury Fred in the yard again. A future is shown where both Billy and Fred are defrosted by brain-eating creatures.

    Director:Shaun Cashman
    Writers:Maxwell Atoms, Alex Almaguer

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  16. The Grim Adventures of Billy and Mandy Season 6 Episode 12 - A Grim Day
    8.0/10(97 votes)

    #16 - A Grim Day

    S6:E12

    When Billy goes to visit his maternal grandmother and Mandy decides to have the day for herself, Grim finds himself free of the kids to do whatever he wants to do. Since Grim quickly gets bored he goes to visit General Skarr, and lets him take his magical scythe, which Skarr uses to build an army of giant lawn gnomes. Since Grim is so used to having two kids with him when they go on an adventure, he enlists Mindy and Pud'n to help him combat Skarr and retrieve his scythe. Mindy and Pud'n prove to be worthy substitutes but they are scared away by Mandy when she notices the unusual trio

    Directors:Sue Perrotto, Shaun Cashman
    Writers:Alex Que, Jeff Prezenkowski

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  17. The Grim Adventures of Billy and Mandy Season 1 Episode 1 - Meet the Reaper
    7.9/10(16 votes)

    #17 - Meet the Reaper

    S1:E1

    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

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  18. The Grim Adventures of Billy and Mandy Season 1 Episode 5 - Mortal Dilemma
    7.9/10(76 votes)

    #18 - Mortal Dilemma

    S1:E5

    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

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  19. The Grim Adventures of Billy and Mandy Season 2 Episode 8 - Creating Chaos
    7.9/10(92 votes)

    #19 - Creating Chaos

    S2:E8

    Billy helps Eris spread chaos.

    Director:Pat Shinagawa
    Writer:Gord Zajac

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  20. The Grim Adventures of Billy and Mandy Season 2 Episode 12 - Grim in Love
    7.9/10(99 votes)

    #20 - Grim in Love

    S2:E12

    Grim falls for a Goth girl.

    Directors:Robert Alvarez, John McIntyre
    Writer:Gord Zajac

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  21. The Grim Adventures of Billy and Mandy Season 3 Episode 4 - No Body Loves Grim
    7.9/10(98 votes)

    #21 - No Body Loves Grim

    S3:E4

    Billy, Mandy and Grim go to the beach where Grim falls asleep and Billy buries him in sand. When they leave, Billy only takes Grim's skull, leaving Grim's body to be found by a rich family that take it with them. With his adoptive family, Grim's body becomes a celebrity and refuses to go back with Billy and Mandy. Eventually, Grim's skeleton is reunited with his skull, but instants later it is shattered by dogs.

    Director:Shaun Cashman
    Writers:Celia Weis, Craig Lewis

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  22. The Grim Adventures of Billy and Mandy Season 3 Episode 8 - A Grim Prophecy
    7.9/10(97 votes)

    #22 - A Grim Prophecy

    S3:E8

    In this short, set in the Stone Age, a child version of Grim undertakes his first assignments as the Grim Reaper. When he goes to visit a cave witch, she shows him his terrible future being abused by Billy and Mandy

    Director:Shaun Cashman
    Writer:Maxwell Atoms

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  23. The Grim Adventures of Billy and Mandy Season 4 Episode 8 - Wild Parts
    7.9/10(93 votes)

    #23 - Wild Parts

    S4:E8

    One night a strange odor travels through the city, prompting the noses of all the people, including Billy's, to follow it. The next night, Mandy, who is noseless, and Grim decide to wait outside Billy's house for the event to repeat. When the odor reappears, the nose parade leads them to the shopping mall, where they meet a "Nasalmancer", a nose wizard who is trying to take over other people's noses since he lost his own. Billy recovers his nose, but slices it in two, and gives one half to the Nasalmancer.

    Director:Shaun Cashman
    Writers:William Reiss, Richard M. Burton

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  24. The Grim Adventures of Billy and Mandy Season 5 Episode 8 - Ecto Cooler
    7.9/10(84 votes)

    #24 - Ecto Cooler

    S5:E8

    As Billy desires to be "cool" like Sperg, he has an ectoplasmic manifestation coming out of his mouth. The ectoplasm grows full size and turns out to be the ghost of nineteenth-century British poet Lord Byron, who tries to teach Billy to be cool, using elaborate poetry instead of bare muscles. Billy uses a poem to insult Sperg's mother, and Sperg challenges Billy to a duel. Billy and Lord Byron fight Sperg and his gang, but are badly beaten. Byron tells Billy he has been trained in the arts of coolness, and disappears.

    Directors:Sue Perrotto, Russell Calabrese
    Writer:Maxwell Atoms

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  25. The Grim Adventures of Billy and Mandy Season 6 Episode 3 - Keeper of the Reaper
    7.9/10(82 votes)

    #25 - Keeper of the Reaper

    S6:E3

    When Billy's dad gets a promotion at his job, he tells his family they are going to move to another town, starting a dispute between Billy and Mandy over who gets custody of Grim. Grim suggests they settle this in court, and hours later Billy, Mandy and Grim find themselves in the Underworld court, presided by Judge Roy Spleen, and which has Fred Fredburger, an incorrigible dumb character, as a juror.

    Directors:Eddy Houchins, Juli Murphy
    Writers:Kristen Lazarian, C.H. Greenblatt, Richard Steven Horvitz

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Best Episodes Summary

"One Crazy Summoner" is the best rated episode of "The Grim Adventures of Billy and Mandy". It scored 9.2/10 based on 193 votes. Directed by Juli Murphy and written by Maxwell Atoms, Mike Diederich, it aired on 8/5/2005. This episode scored 0.6 points higher than the second highest rated, "Nigel Planter and the Chamber Pot of Secrets".