The WORST episodes of The Grim Adventures of Billy & Mandy
Every episode of The Grim Adventures of Billy & Mandy ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of The Grim Adventures of Billy & Mandy!
Featuring the exploits of the Grim Reaper, forced into being the best friend of two children.
#1 - Sister Grim
Season 2 - Episode 19 - Aired 7/25/2003
After being accidentally hit by Billy, Grim lands in a can of white paint in a remote convent. Due to his appearance, still with the can in his head, Grim is mistaken for "Sister Big Mamma" by little nuns. Then, Grim has a great time with the friendly nuns, until Billy and Mandy come looking for him. When the nuns realize the truth about Grim they get angry at him, but also help him go back home by sending him flying away with another punch.
#2 - Test of Time
Season 3 - Episode 22 - Aired 10/15/2004
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. Then, 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.
#3 - Five O'Clock Shadows
Season 3 - Episode 24 - Aired 10/22/2004
Grim is annoyed by Billy who thinks that a shadow is following him. Subsequently, 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.
#4 - Complete and Utter Chaos
Season 3 - Episode 27 - Aired 10/29/2004
Thinking that the world is chaotic enough as it is, Eris, the goddess of chaos, decides to quit chaos to work at a hamburger restaurant. Then, she entrusts Grim the Apple of Discord to watch over for her, which he seals in his old trunk. However, the apple frees itself from the chest and goes to Billy. Later, Mandy is attracted by the apple's powers, and after being persuaded by Billy's talking burrito, Billy, Mandy and Grim battle for control of the apple, which divides in three pieces. In the end, the battle results in them being fused together into an amorphous mass, and, with an evil grin on her face, Eris decides to offer the apple to Irwin too. This episode is unusual in some aspects: it starts being called Billy gets Dumber, but then the Apple of Discord swallows the screen and the real title Complete and Utter Chaos is shown instead; the episode starts at the end, and the story is told as a flashback; the talking burrito is featured prominently, but other than a brief mention, its origin is not explained.
#5 - Chocolate Sailor
Season 3 - Episode 30 - Aired 11/12/2004
While reading an Underworld comic book, Billy finds an advertisement for "Chocolate Sailors", a delicious chocolate candy. Billy then becomes a seller of Chocolate Sailors, but ends up eating them all by himself. The enchanted candies turn him into solid chocolate, and now Billy can't stop eating himself. Then, Billy, Mandy and Grim go searching for the Chocolate Sailor to retrieve the antidote before Billy eats himself completely. In the end, Billy eats the antidote along with other enchanted chocolates and, his head (it was all that was left of him) explodes as a result.
#6 - Toys Will Be Toys
Season 3 - Episode 33 - Aired 11/26/2004
Thanks to Mandy, Billy decides to get rid of his "Dinobonoid" action figures thinking he is too old for them. Subsequently, Grim makes the toys come to life, and shrinks Billy to their size so he can have a last adventure with them. Later, the "Jurassic Creeps" become aware of Grim's scythe and steal it from him to use its powers to rule the world; however, the magic that made them come alive runs out just in time, and the toys become inanimate once again. Billy reverts to his normal size too, but he stays trapped inside the box in which the action figures came.
#7 - Tastes Like Chicken
Season 1 - Episode 12 - 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.
#8 - Chicken Ball Z
Season 2 - Episode 22 - Aired 8/15/2003
Grim's refusal to help Mandy win a karate tournament, and the $50 000 dollar prize it promises to the winner, leads her to a curio shop, where the shopkeeper, Kuan Ti, gives her an ancient "Chicken Ball" which, when eaten, allows her to become a great fighter. Subsequently, Mandy easily wins the tournament and doesn't care about the money anymore, only about fighting. It turns out Kuan Ti is actually Eris in disguise, and this was just another of her schemes to create chaos. To stop Mandy, Grim makes Billy a superb fighter too, and he and Mandy fight ferociously until the entire arena is destroyed, (note: this episode is an obvious parody of Dragon Ball Z). In the end, Mandy still demands the prize money, which she uses to buy Hector Con Carne's (from Evil Con Carne) Bunny Island.
#9 - Grim for a Day
Season 2 - Episode 21 - Aired 8/15/2003
After a lousy night for Grim, Billy and Grim argue about who has the hardest time, the kid or the Reaper of Souls. Mandy proposes they switch places for the day to find out. Then, Grim seems to be having a good time, acting like a silly kid, while Billy is bored waiting for his old victim, Mr. Voorhees, to open the door. In the end, Billy transforms into a short skeleton, while Grim transforms into a taller version of Billy.
#10 - Battle of the Bands
Season 1 - Episode 22 - Aired 8/1/2003
Billy wants to join Sperg's garage band, "Purple Filth", and take part in the upcoming battle of the bands. However, after witnessing Grim's prowess with the electric guitar, Sperg invites Grim instead. Then, Billy's dad, adopting the rock and roll persona of "Mogar", decides he and Billy should go to the contest to make a surprise appearance. In the end, Billy impresses the audience with his armpit sounds.
#11 - Go-Kart 3000!
Season 2 - Episode 20 - Aired 7/25/2003
When Billy and Irwin exclude Mandy and Grim from helping them build a go-kart to enter the Annual Endsville Go-Kart Competition, the latter two decide to build their own. At the race, Billy-Irwin, and Mandy-Grim compete against Mindy, Sperg, and a mystery racer (Pud'n). In the end, Mindy gets stuck in highway traffic, Billy-Irwin's car is destroyed, Sperg and Grim mutually prevent each other from winning, and Pud'n wins in his litte red wagon.
#12 - Super Zero
Season 3 - Episode 18 - Aired 10/1/2004
After watching a TV show, starring Captain Heifer and his Heifer Farms Brand Yoghurt, Billy asks Grim to turn him into a superhero with the power of squeaking and throwing yoghurt from his armpits. Then, with his wish granted, Billy goes to outer space to fight the Evil Empire, but the planet he visits is mostly inhabited. At home, despite being free of Billy, Grim still has to deal with Billy's equally dumb father, Harold. In the end, after Billy fills the alien planet with yoghurt, he returns home to be "normal".
#13 - The Grim Show
Season 2 - Episode 17 - Aired 7/18/2003
Grim is upset after his favorite show, Atrocia's Late Night Atrocities, is cancelled. Then, he goes to the TV station and using his powers, turns the studio into a creepier place and becomes the host of the Grim Show. Grim's success on TV is interrupted when Mandy tells him he has neglected to do her chores. Then, Billy and Mandy go to the TV station and show embarrassing footage of Grim at home.
#14 - Smarten Up!
Season 2 - Episode 16 - Aired 7/18/2003
Billy is worried about failing an upcoming Math test, so Grim gives him a "bookworm", which will make him much smarter. However, Milkshakes, Billy's cat, eats the worm instead, and is forced to tutor Billy. In the end, Billy is still an idiot.
#15 - Love is Evol Spelled Backwards
Season 2 - Episode 14 - Aired 7/11/2003
It's Valentine's Day and Nergal, the fiend living in Earth's core, appears in Billy's house to court Billy's spinster aunt, Sis. Then, Billy tries ruining Nergal's date, to avoid becoming his nephew. Although initially Sis doesn't show interest in Nergal, she changes her mind when Nergal is stung by bees and she sees his "dance moves". Then, aunt Sis accepts Nergal's marriage proposal, and accompanies him back to the center of the Earth.
#16 - Crushed!
Season 2 - Episode 13 - Aired 7/11/2003
At school, Mandy rejects Irwin's invitation to go to the school dance with him. Then, Billy introduces his foreign and mysterious, new friend, "Piff", and Mandy becomes desperate when she realizes she has fallen in love with him. Subsequently, Mandy asks Grim to cut her heart out to stop being in love; however, Grim has a better idea and gives Mandy a makeover. In the end, Piff falls in love with Mandy, and Mandy takes the chance to brutally turn him down.
#17 - Tween Wolf
Season 2 - Episode 11 - Aired 7/4/2003
After Grim fails to pull a werewolf out of his hat, Irwin is bitten by said werewolf. Then, Billy takes Irwin as his new pet dog, naming him Sprinkles, and enters him in the Endsville Dog Show to compete against Mandy's dog, Saliva. At the contest, Sprinkles is about to win, so Grim releases a "were-flea" whose bite causes the werewolf to revert to a naked Irwin. In the end, it appears that Irwin won the contest anyway.
#18 - The Really Odd Couple
Season 2 - Episode 9 - Aired 6/27/2003
Billy accidentally sets off a powerful stink bomb in Mandy's house and, while the house is being disinfected, Mandy's family goes to live with Billy's. Then, Billy and Mandy have a dispute over how to split Billy's room, prompting Grim to intervene. In the end, Mandy takes over the entire room, and traps Billy behind a brick wall.
#19 - Brown Evil (Part 2)
Season 2 - Episode 6 - Aired 6/20/2003
Billy and Hoss Delgado, spectral exterminator, team up to destroy all the zombies that congregate outside the house, but the zombies reassemble into a bigger zombie. Delgado realizes that the zombie is after the brownies that Grim has in his skull, so Delgado and Grim battle furiously for them. In the end, the zombie eats the remaining brownies and then falls apart.
#20 - Brown Evil (Part 1)
Season 2 - Episode 5 - Aired 6/20/2003
Taking inspiration from his Pat the Baker video game, Billy decides to bake some brownies. However, Billy uses "Evil Powder" from Grim's old trunk instead of salt, and the resultant brownies stink. Mandy tells Grim to get rid of the brownies, and he reluctantly does, but he also stores some of them in his skull. Soon, the stench of the brownies spreads through the world and starts resurrecting dead people, animals, and even food, as zombies.
#21 - It's Hokey Mon!
Season 2 - Episode 3 - Aired 6/13/2003
After watching Billy and Irwin play with their "Hokey Monsters" cards (parodying Pokemon), Grim makes the monsters come to life. Soon, all the other kids want their own cards to be real too. Subsequently, the city is under attack by a multitude of Hokey Monsters. To put an end to the mayhem, Mandy draws her own card, Mandy's Monster, which defeats all the other monsters by turning them into toast.
#22 - The Loser from the Earth's Core
Season 5 - Episode 7 - Aired 10/7/2005
When Nergal, the fiend from the center of the Earth, goes to visit Billy's family (his in-laws) for the weekend, he ends up staying with them over a year. When Billy finally asks his uncle to leave, Nergal says he cannot return home because he is a complete failure, having lost at a board game 599 times in a row against his own family, and experiencing constant disappointment elsewhere. Then, Billy and Grim tell him to not worry about being a failure, but to embrace it. In the end, after training with Billy and Grim, Nergal returns home and he finally wins at the board game, but he also makes a crack in the ceiling and his home starts filling with lava.
#23 - Wishbones
Season 4 - Episode 10 - Aired 6/10/2005
After Grim's robe comes out of the washing machine, Billy and Mandy find Thromnambular, a talking skull with ruby eyes and a number nine imprinted on his forehead. Then, Grim tells them that the skull is a magical artifact imprisoned on Earth that must grant his nine wishes in order to be free. When Mandy asks Grim why he hasn't used any of the wishes, Grim tells her that the skull will corrupt the wishes and end up affecting the wisher. Despite this, Billy runs away with the skull and makes the first wish: (1) he wishes to be in an adventure (which parodies Indiana Jones and Jonny Quest), this backfires because Irwin is eaten, which Billy complains about getting him in trouble. After this, Thromnambular is found by different people who each make a wish: (2) Billy's dad wishes he could live again his High School years, but this backfires because he is not popular; (3) General Skarr wishes to rule on high, but this backfires because he asphyxiates in space; (4) Irwin (despite being eaten already in an earlier episode) wishes he was in a Hip-hop video, but backfires because he gets punched by Mandy; (5) Pud'n wishes he had a bunny, but he is attacked by it, because "Sometimes Love Hurts"; (6) Nergal Junior wastes his wish by wishing to know what to wish for; (7) Sperg wishes for a way to get into the girls restroom, in order to bully a girl into giving him a large sack of money, this backfires because he is turned into girl, and then insulted by the other girls for being ugly; (8) Mindy wishes to be a "big star", but this backfires when she is sent into space strapped to a rocket; (9) finally, Mandy tries to auction the last wish, but Grim gets ahead and wishes the kids never found the skull in the first place. This then goes back to the beginning of the episode where Billy is staring at the washing machine, followed by Mandy pushing him into it.
#24 - Dream Mutt
Season 4 - Episode 11 - Aired 6/17/2005
When Billy gets the opportunity to adopt one of four dogs, he says he wants them all. Then, Grim uses his scythe to magically combine the dogs and create Billy's dream dog, who calls himself Wiggy Jiggy Jed. Although initially Billy and Jed are best friends, their relationship falls apart when Billy tells Jed to sleep outside. In retaliation, Jed uses the powers of Grim's trunk to build a giant machine to capture the beds of all people. In the end, Billy throws Jed a dish of primordial ooze and he dissolves.
#25 - Jeffy's Web
Season 4 - Episode 13 - Aired 6/24/2005
When Billy gets under his house's foundation, he encounters again his "son", Jeff the Spider, who has just laid eggs. Then, Jeff tries to make things right with Billy so he can take care of the baby spiders, as he is going to die after the eggs hatch. Naturally terrified of seeing Jeff, Billy runs away and a wild car chase ensues. In the end, the eggs hatch, and Grim decides to refill Jeff's hourglass that represents his lifetime so he doesn't die, and so he can continue to scare Billy.