The Grim Adventures of Billy and Mandy backdrop
Animation•Comedy•Kids

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.

Airs on
Cartoon Network
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons7

All1234567

Episode Rankings

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

    S5:E2

    Nigel Planter’s off to Toadblatt’s Summer School of Sorcery, but needs Billy, Mandy, and Grim to teach him about love.

    Director:Juli Murphy
    Writers:Maxwell Atoms, Mike Diederich

    Be the first to start the conversation for this episode

  2. The Grim Adventures of Billy and Mandy Season 3 Episode 12 - Nigel Planter and the Chamber Pot of Secrets
    8.6/10(119 votes)

    S3:E12

    Grim, Billy, and Mandy return to Toadblatt’s School of Sorcery to rescue Nigel Planter from evil Lord Moldybutt.

    Director:Shaun Cashman
    Writers:Maxwell Atoms, Mike Diederich

    Be the first to start the conversation for this episode

  3. The Grim Adventures of Billy and Mandy Season 2 Episode 3 - It's Hokey Mon!
    8.5/10(119 votes)

    S2:E3

    Grim brings Billy and Irwin’s monster cards to life! Chaos and hilarity ensue.

    Directors:John McIntyre, Robert Alvarez
    Writer:Gord Zajac

    Be the first to start the conversation for this episode

  4. The Grim Adventures of Billy and Mandy Season 2 Episode 5 - Brown Evil
    8.4/10(190 votes)

    S2:E5

    Billy, Mandy and Grim become trapped in their house by brownie-loving zombies! It’s up to Hoss Delgado to lend a hand!

    Director:Robert Alvarez
    Writer:Gord Zajac

    Be the first to start the conversation for this episode

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

    S1:E12

    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 their wayward Grim.

    Director:Brian Hogan
    Writer:Gord Zajac

    Be the first to start the conversation for this episode

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

    S4:E4

    Baseball gets scary when Grim brings in some dead ringers to help Billy & Irwin defeat Mindy’s team.

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

    Be the first to start the conversation for this episode

    7. Trending NowTRENDING NOW

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

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

    S1:E10

    Billy’s Mom returns, bent on taking vengeance on Grim!

    Director:Brian Hogan
    Writer:Gord Zajac

    Be the first to start the conversation for this episode

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

    S4:E14

    Irwin hopes to win Mandy’s affection by learning how to be cool from Hoss Delgado, Spectral Exterminator.

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

    Be the first to start the conversation for this episode

  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)

    S6:E4

    Billy has always loved everyone and everything... in a hippie way. But what happens when Billy finds his soul mate?

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

    Be the first to start the conversation for this episode

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

    S2:E4

    Grim gets so sick he becomes alive!

    Director:Juli Murphy
    Writer:Gord Zajac

    Be the first to start the conversation for this episode

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

    S2:E11

    Irwin turns into a werewolf! Billy enters him in the dog show.

    Director:Pat Shinagawa
    Writer:Gord Zajac

    Be the first to start the conversation for this episode

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

    S1:E9

    Billy and Mandy discover that Grim's mom is a genie. Mandy is soon in control of the only remaining wish, with Grim and Billy desperately trying to curry favor.

    Director:Brian Hogan
    Writer:Paul McEvoy

    Be the first to start the conversation for this episode

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

    S2:E2

    Mandy’s arch nemesis, Mindy, befriends Grim. But is Mindy all that she seems?

    Director:Juli Murphy
    Writer:Rachael MacFarlane

    Be the first to start the conversation for this episode

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

    S5:E9

    Tiny mushroom dwelling creatures from Billy’s yard provide Grim with the answer about how his favorite show ends.

    Director:Eddy Houchins
    Writer:Maxwell Atoms

    Be the first to start the conversation for this episode

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

    S6:E6

    Billy discovers a modern stone-age caveman buried in his front yard. Will the Neanderthal ascend the evolutionary ladder and blend in with modern society? Or will he snap and go on a berserk caveman rampage?

    Director:Shaun Cashman
    Writers:Maxwell Atoms, Alex Almaguer

    Be the first to start the conversation for this episode

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

    S6:E12

    What could be more exciting than a day off for the Grim Reaper? A day off with giant lawn gnomes proves to be a good start.

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

    Be the first to start the conversation for this episode

  17. The Grim Adventures of Billy and Mandy Season 1 Episode 5 - Mortal Dilemma
    7.9/10(77 votes)

    S1:E5

    Grim misses his job and goes out on the town hoping to recapture some of the glory of his past. After rescuing a doomed skateboarder, Grim begins to question his purpose in the universe.

    Director:Brian Hogan
    Writer:Amy Keating Rogers

    Be the first to start the conversation for this episode

  18. The Grim Adventures of Billy and Mandy Season 2 Episode 12 - Grim in Love
    7.9/10(100 votes)

    S2:E12

    Grim falls in love with a goth girl. But what will happen when she discovers Grim is not just a thin pasty guy dressed in black?

    Directors:John McIntyre, Robert Alvarez
    Writer:Gord Zajac

    Be the first to start the conversation for this episode

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

    S3:E4

    Grim’s body and head get separated. His body lives it up while his head ends up down and out.

    Director:Shaun Cashman
    Writers:Craig Lewis, Celia Weis

    Be the first to start the conversation for this episode

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

    S3:E8

    As a young reaper Grim learns his fate from his first customer.

    Director:Shaun Cashman
    Writer:Maxwell Atoms

    Be the first to start the conversation for this episode

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

    S4:E8

    Billy’s nose is lured away by a Nasalmancer looking for the ultimate scent-sation.

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

    Be the first to start the conversation for this episode

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

    S5:E8

    The ghost of Lord Byron appears inside Billy’s mouth and gives him lessons on how to be cool.

    Directors:Sue Perrotto, Russell Calabrese
    Writer:Maxwell Atoms

    Be the first to start the conversation for this episode

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

    S6:E3

    When Billy's dad gets a job in another town, who gets to keep the Grim Reaper? Rather than behaving like spoiled children, Billy and Mandy behave like spoiled adults and settle their differences in court.

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

    Be the first to start the conversation for this episode

  24. The Grim Adventures of Billy and Mandy Season 6 Episode 5 - Major Cheese
    7.9/10(75 votes)

    S6:E5

    An absurd story about two kids, a spinny thing, and the Grim Reaper dressed like a cheese flavored snack.

    Directors:Juli Murphy, Sue Perrotto
    Writer:Brett Varon

    Be the first to start the conversation for this episode

  25. The Grim Adventures of Billy and Mandy Season 1 Episode 1 - Meet the Reaper
    7.8/10(22 votes)

    S1:E1

    Billy and Mandy, two neighbor kids, play a game with the Grim Reaper for the soul of a sick hamster.

    Director:Maxwell Atoms
    Writer:Maxwell Atoms

    Be the first to start the conversation for this episode

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".