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The Best Episodes of The Grim Adventures of Billy and Mandy Season 3

Every episode of The Grim Adventures of Billy and Mandy Season 3 ranked from best to worst. Discover the Best Episodes of The Grim Adventures of Billy and Mandy Season 3!

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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
    The Grim Adventures of Billy and Mandy Season 3 Episode 1 - Spider's Little Daddy
    7.8/10(92 votes)

    #1 - Spider's Little Daddy

    S3:E1

    At a father-and-son picnic, Billy re-encounters with his spider "son", Jeff, in a dirty bathroom. Once again, Jeff tries to make Billy love him as a true father does, but Billy remains terrified of all bugs. Mandy tells Jeff he is being too nice, and to get Billy's attention he needs to be meaner. After being coached by Mandy, Jeff finally snaps and ensnares Billy in his spider web, forcing Billy to say he loves him.

    Director:Robert Alvarez
    Writer:Maxwell Atoms

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  2. The Grim Adventures of Billy and Mandy Season 3 Episode 2 - Tricycle of Terror
    7.3/10(78 votes)

    #2 - Tricycle of Terror

    S3:E2

    When Billy crashes his bicycle, he obtains a free tricycle from a mysterious boy in a supernatural porta-potty. While Billy loves his tricycle, which he calls Trykie, he is also mocked because of it by Irwin, Pud'n, and Sperg. Trykie moves on its own and attacks the three of them. Mandy realizes the problem with Trykie, and Grim confirms that he is cursed. Billy realizes that Trykie is indeed evil as well, and he lets Mandy destroy it once and for all.

    Director:Brian Sheesley
    Writer:Gord Zajac

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  3. The Grim Adventures of Billy and Mandy Season 3 Episode 3 - Dumb Luck
    7.6/10(78 votes)

    #3 - Dumb Luck

    S3:E3

    After spilling salt in a restaurant, and not throwing salt over his left shoulder, Billy starts having an unusual amount of extremely bad luck. The next day, Grim analyzes Billy and finds out he has a "Catastrophe Snail" attached to his brain, which is causing him the bad luck.

    Director:Juli Murphy
    Writers:Maxwell Atoms, Mike Diederich

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  4. The Grim Adventures of Billy and Mandy Season 3 Episode 4 - No Body Loves Grim
    7.4/10(74 votes)

    #4 - 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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  5. The Grim Adventures of Billy and Mandy Season 3 Episode 5 - Lil' Porkchop
    6.7/10(77 votes)

    #5 - Lil' Porkchop

    S3:E5

    After he turns down his dad's invitation to go fishing, Billy gets a tiny, weakling, pet fish, which he names Little Porkchop. To make Billy happier, Grim makes the fish grow overnight to become a giant. Billy takes Porkchop to play under the Sun, and never gives him water again. He burns to ashes and is flushed down the toilet. Billy's dad returns form his fishing trip having caught Porkchop, now back to his normal size, but plans to cook him.

    Director:Brian Sheesley
    Writer:Brett Varon

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  6. The Grim Adventures of Billy and Mandy Season 3 Episode 6 - Skarred for Life
    8.4/10(105 votes)

    #6 - Skarred for Life

    S3:E6

    General Skarr buys a home in Endsville and becomes Billy's neighbor. After Skarr invites Billy into his new house, Billy mentions Grim's scythe as ,he strongest and most powerful weapon in the entire universe, and Skarr tries to battle his desire to be evil again. Eventually Skarr steals the scythe but Mandy proves to be even scarier than he is, and takes it back.

    Director:Juli Murphy
    Writers:Maxwell Atoms, C.H. Greenblatt

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  7. The Grim Adventures of Billy and Mandy Season 3 Episode 7 - House of Pain
    7.4/10(77 votes)

    #7 - House of Pain

    S3:E7

    Lord Pain, a fearsome warrior from the Plain of Eternal Suffering, appears in Billy's house looking to serve his master, Grim. Lord Pain is put to clean the bathroom, and is confused as to why Billy and Mandy treat Grim the way they do. Eventually, Lord Pain realizes that Mandy is to be his real master, and prepares mashed potatoes for her.

    Director:Shaun Cashman
    Writers:Maxwell Atoms, Mike Diederich

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  8. The Grim Adventures of Billy and Mandy Season 3 Episode 8 - A Grim Prophecy
    6.8/10(79 votes)

    #8 - 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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  9. The Grim Adventures of Billy and Mandy Season 3 Episode 9 - Mandy Bites Dog
    7.2/10(99 votes)

    #9 - Mandy Bites Dog

    S3:E9

    When Mindy mocks Mandy's dumb and coward dog, Saliva, Mandy decides to train her dog to be meaner. After Grim keeps mentioning his own dog, Cerberus, Mandy decides to use Grim's special whistle to call the gigantic, three-headed, fire-breathing hound. Cerberus marries Mindy's chihuahua, Little Delicious, and Saliva snaps against Mindy for a brief moment.

    Director:Robert Alvarez
    Writers:Gord Zajac, Spencer Laudiero

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  10. The Grim Adventures of Billy and Mandy Season 3 Episode 10 - Nursery Crimes
    7.0/10(77 votes)

    #10 - Nursery Crimes

    S3:E10

    After Billy eats 19 creme-filled Atomic Frenzy Cakes he cannot sleep and wants Mandy to read him a bedtime story. Mandy, Billy and Grim each tell a story. For his story, Grim uses a supernatural storybook from the Underworld, which makes Billy and Mandy enter the book and reprise the tale of Hansel and Gretel. Billy departs from the story and follows Pinocchio, who wants to devour Billy to become a real boy. Mandy saves Billy from Pinocchio, but she and Billy remain trapped in the book as Grim, the storyteller, falls asleep.

    Director:Brian Sheesley
    Writer:Brett Varon

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  11. The Grim Adventures of Billy and Mandy Season 3 Episode 11 - My Peeps
    7.2/10(74 votes)

    #11 - My Peeps

    S3:E11

    When Billy ruins his eyes by playing too many video games and looking directly into the Sun, Mandy and Grim suggest he see an ophthalmologist. When Billy refuses wearing glasses or having laser surgery, Grim uses his own scythe to zap his eyes. Although Billy has sharp and clean eyesight, he can also see glimpses of the future, specially horrific accidents that occur to his best friends. Grim zaps Billy's eyes multiple times to restore them to normal. Billy ends up with weird-looking eyes.

    Director:Juli Murphy
    Writers:Celia Weis, Matt Sullivan

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  12. The Grim Adventures of Billy and Mandy Season 3 Episode 12 - Nigel Planter and the Chamber Pot of Secrets
    7.3/10(78 votes)

    #12 - 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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  13. The Grim Adventures of Billy and Mandy Season 3 Episode 13 - Circus of Fear
    7.8/10(85 votes)

    #13 - Circus of Fear

    S3:E13

    When Billy and Mandy are utterly bored, Grim takes them to Underworld's "Circus of Fear". The ringleader, Dr. Fear, notices Billy and Mandy, and tries to recruit them into the circus to attract customers, who would pay to see real, live humans. After they go back home, Dr. Fear captures the two kids, and Grim has to get them back. During the show, Mandy breaks free and in a strange twist of the story, she reveals that the beastmaster, Clortho, is actually Dr. Fear, who in turn is just an earthworm, leaving Billy confused.

    Director:Brian Sheesley
    Writers:Gord Zajac, Rich Chidlaw

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  14. The Grim Adventures of Billy and Mandy Season 3 Episode 14 - Bully Boogie
    0.0/10(0 votes)

    #14 - Bully Boogie

    S3:E14

    After failing to scare a fifteen-year-old, the Boogeyman decides to visit his old middle-school victim, Grim. Grim remembers how Boogie used to be a bully, and demands an apology from him. Boogie disappears to the Underworld, taking Billy with him. Mandy and Grim follow Boogie, and to settle their differences Mandy suggests having a scaring contest, in which whoever can scare a kid the most wins. Boogie's transformation as a werewolf is not enough to scare the kid, but Grim's transformation into a giant, horrific rubber duck is.

    Director:Juli Murphy
    Writers:Zena Leigh Logan, James Silverman, Spencer Laudiero

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  15. The Grim Adventures of Billy and Mandy Season 3 Episode 15 - Here Thar Be Dwarves!
    0.0/10(0 votes)

    #15 - Here Thar Be Dwarves!

    S3:E15

    As Billy walks into the woods to have a picnic, Yogi and a giant, feral version of Boo-Boo (from The Yogi Bear Show) come to steal his basket, and he escapes by hiding in a cave. Billy is taken to the mushroom lair of the dwarfs where King Beardbottom tells him the story on how the different races split the food-services industry, after the conference of Rivendell. The king sends Billy to infiltrate the elves' cookie factory to deactivate their force field, so the dwarves can assault the factory. After a fierce battle (censored out "for younger viewers", by a single clip of a pink koala continuously licking a eucalyptus leaf) and Billy's words, the elves and dwarves decide to work together and split the profits.

    Director:Robert Alvarez
    Writers:Gord Zajac, C.H. Greenblatt

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  16. The Grim Adventures of Billy and Mandy Season 3 Episode 16 - Which Came First?
    0.0/10(0 votes)

    #16 - Which Came First?

    S3:E16

    While going to a science museum, Billy and Mandy's school bus breaks down in the middle of the desert. After digging for fossils, Billy, Mandy and Grim wander around and find an abandoned mine, where Billy is captured by a giant, mutant chicken. When Mandy and Grim go to rescue him, they find an underground laboratory from the days of the Cold War where mutant chickens were created. The mountain makes eruption, the chickens are roasted by lava, and the whole class obtains food so they do not have to resort to cannibalism.

    Director:Brian Sheesley
    Writers:Matt Sullivan, Vincent Waller

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  17. The Grim Adventures of Billy and Mandy Season 3 Episode 17 - Substitute Teacher
    0.0/10(0 votes)

    #17 - Substitute Teacher

    S3:E17

    Billy's first cousin from the center of the Earth, Nergal Jr. goes to school for the first time, but he is worried that people may not like him. Soon enough, Junior becomes bullied by Sperg, with Miss Butterbean's allowance. Billy suggests Junior to use his shapeshifting abilities to take on the form of Miss Butterbean, so Junior can help him pass a math test. Junior likes the idea, but he morphs into Miss Butterbean to get revenge on Sperg instead. Sperg is seen living in the center of the Earth as Junior's pet.

    Director:Shaun Cashman
    Writers:Maxwell Atoms, Chris Reccardi

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  18. The Grim Adventures of Billy and Mandy Season 3 Episode 18 - Super Zero
    0.0/10(0 votes)

    #18 - Super Zero

    S3:E18

    After watching a TV show, starring Captain Heifer and his Heifer Farms Brand Yogurt, Billy asks Grim to turn him into a superhero with the power of squeaking and throwing yogurt from his armpits. With his wish granted, Billy goes to outer space to fight the Evil Empire, but the planet he visits is mostly inhabited. Despite being free of Billy, Grim still has to deal with Billy's equally dumb father, Harold. After Billy fills the alien planet with yogurt, he returns home to be "normal".

    Directors:Juli Murphy, Phil Cummings
    Writer:Brett Varon

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  19. The Grim Adventures of Billy and Mandy Season 3 Episode 19 - Sickly Sweet
    0.0/10(0 votes)

    #19 - Sickly Sweet

    S3:E19

    Trying to get revenge at Mandy for bossing them all the time, Billy and Grim put her in the "Mask of the Beast". Mandy must be nice and friendly while wearing the mask, or else she will become a hideous monster. Failing to remove the mask herself, and struggling to be kind to Billy and Grim, Mandy gradually turns into the beast. Billy and Grim ask Mandy to smile while she gives them a sponge bath, but this turns out to be too hard for Mandy. She fully transforms into the beast and punishes them instead.

    Directors:Robert Alvarez, Phil Cummings
    Writer:Maxwell Atoms

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  20. The Grim Adventures of Billy and Mandy Season 3 Episode 20 - Bearded Billy
    0.0/10(0 votes)

    #20 - Bearded Billy

    S3:E20

    When Billy sees his father shaving, he decides having a beard is cool and buys "Hair Raiser Tonique", a hair-growing formula. Grim casts a spell on the tonic to make its effects appear faster, but Billy exaggerates the quantity and grows hair in all his body. Billy is mistaken for the Sasquatch, and a reward is offered for his capture. Hoss Delgado also receives the tonic and is captured and exhibited as the Sasquatch, while Mandy collects the reward.

    Director:Brian Sheesley
    Writers:Gord Zajac, Brian Larsen

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  21. The Grim Adventures of Billy and Mandy Season 3 Episode 21 - The Nerve
    0.0/10(0 votes)

    #21 - The Nerve

    S3:E21

    After being bullied again by Sperg, Billy asks Grim to shrink him to enter Mandy's head to steal her "nerve". After Billy swallows the raw nerve, a polyp-like organism, Mandy becomes timid and scared of everything while Billy becomes tough and mean. While Billy goes to get revenge at Sperg, Mandy enters Billy's head to recover her nerve. Mandy recovers her tough and cynical attitude without her nerve, which is successfully retrieved from Billy and banished from Endsville.

    Director:Shaun Cashman
    Writers:Jim Schumann, Gord Zajac

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  22. The Grim Adventures of Billy and Mandy Season 3 Episode 22 - Test of Time
    0.0/10(0 votes)

    #22 - Test of Time

    S3:E22

    When Billy forgets to do his history homework, Grim gives him a universal remote control to alter time and space so he can go back in time and finish his report. Billy and Mandy travel to the American Revolution, to prehistoric times, and even to the future, where they meet an aged Billy who is just finishing the report. After a struggle for the remote, Billy ends up again in the Prehistory and the remote breaks. Fast forward into the present, every person is dumb like he is and shares his characteristic big nose, including Mandy and Irwin.

    Directors:Robert Alvarez, Shaun Cashman, Brian Sheesley
    Writers:Gord Zajac, Paul McEvoy

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  23. The Grim Adventures of Billy and Mandy Season 3 Episode 23 - A Kick in the Asgard
    0.0/10(0 votes)

    #23 - A Kick in the Asgard

    S3:E23

    During a thunderstorm, a lightning bolt hits Grim's scythe, transporting Billy to Asgard, land of the Norse gods. Mandy and Grim go searching for him, while a Viking wearing Billy's shirt remains at his house as a substitute. In Asgard, Billy learns about the endless battle in Valhalla, in which if a warrior dies, he is resurrected to continue fighting. Billy is surprisingly good at killing other Vikings, so Mandy and Grim are unable to convince him to return home.

    Directors:Robert Alvarez, Juli Murphy, Brian Sheesley
    Writer:Maxwell Atoms

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  24. The Grim Adventures of Billy and Mandy Season 3 Episode 24 - Five O'Clock Shadows
    0.0/10(0 votes)

    #24 - Five O'Clock Shadows

    S3:E24

    Grim is annoyed by Billy who thinks that a shadow is following him. Grim takes Billy and Mandy to the Shadows' World, where their opposites live. Grim tells them to do whatever they want, but to be back at 5 o'clock, when the portal to the normal world opens. Grim also warns Billy about the Door to Other Dimensions, but Billy opens it and a multitude of Billys come out an wreak havoc.

    Director:Juli Murphy
    Writer:Brett Varon

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  25. The Grim Adventures of Billy and Mandy Season 3 Episode 25 - Attack of the Clowns
    0.0/10(0 votes)

    #25 - Attack of the Clowns

    S3:E25

    After Billy wakes up from another nightmare involving clowns, he is more terrified than ever towards them, so Mandy and Grim try to cure him of this clown-a-phobia. Mandy asks Grim to bring to life a clown's head made on paper mache to entertain Billy, but the spell does not seem to work. They dress up as clowns in an attempt to look harmless. After consulting with his imaginary "Inner Frat Boy", Billy changes his feeling from being afraid to being angry at clowns, and attacks them with Grim's scythe. Billy is cured of his fear, but the paper mache clown attacks and eats them.

    Directors:Shaun Cashman, Phil Cummings
    Writers:Gord Zajac, C.H. Greenblatt

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Season 3 Ratings Summary

"Spider's Little Daddy" is the best rated episode of "The Grim Adventures of Billy and Mandy" season 3. It scored 7.8/10 based on 92 votes. Directed by Robert Alvarez and written by Maxwell Atoms, it aired on 6/11/2004. This episode is rated 0.5 points higher than the second-best, "Tricycle of Terror".