The Best Episodes of The Grim Adventures of Billy & Mandy

Anger Mismanagement

#1 - Anger Mismanagement 9.80

Season 7 - Episode 10

As General Skarr has trouble finding a job, the recruiter tells him to attend anger management classes if he wants to work again. Then, Skarr finds out Mandy and Grim are attending too, Mandy for staring at the school monitor, and Grim for enjoying too much his job. The instructor of the class, Larry, turns out to be a peace-loving, short man riding a tricycle, who teaches the trio ways to calm down when angered, including counting to ten, and using harmless weapons to let go of their anger. In the end, Larry invites Billy to the class, and Mandy, Grim, and Skarr all manage to contain themselves; however, Larry himself suffers an episode of rage over a parking space and he is arrested.

Directors: Maxwell Atoms
The Greatest Love Story Ever Told Ever

#2 - The Greatest Love Story Ever Told Ever 9.67

Season 7 - Episode 13

When Irwin lacks the courage to ask Mandy to go with him to the Valentine's Day school dance, he tells Nergal Jr. to do it for him. Then, Mandy mistakes Junior's invitation for his own, and surprisingly accepts to go with him, which naturally makes Irwin jealous. Then, with the ill advice received from his father, to be possessive with Mandy, at the dance Junior becomes overprotective of her, that eventually he and Irwin start fighting, throwing punch at each other and ruining the ball. In the end, it is revealed that this was Mandy's true intention all along so that no one could enjoy Valentine's Day.

Directors: Maxwell Atoms
Waking Nightmare

#3 - Waking Nightmare 9.60

Season 7 - Episode 11

When Mandy finds Billy playing with Grim's gigantic dog, Cerberus, she tells Grim to keep Billy under tight control because she needs a good night of sleep to be ready for the next day's test. Then, with a little persuasion from his own dad, Billy tries to wake up Mandy at night, so she will fail the test and he can score higher than her for the first time. After Grim spends the night guarding Mandy's house from Billy, the latter apparently succeeds in waking up Mandy. However, it is revealed that this Mandy is in fact Irwin, used as a decoy by the real Mandy, who slept in her dog's house. In the end, Mandy passes the test, and Grim is punished for not guarding her properly.

Directors: Maxwell Atoms
Dracula Must Die!

#4 - Dracula Must Die! 9.50

Season 7 - Episode 16

When vampire hunter Lionel Van Helsing prepares to kill Dracula, Billy, Mandy and Grim arrive to stop him, since, after all, Dracula is just senile and harmless. Then, Van Helsing reveals the source of his hatred: in the past, he and Dracula were "best friends forever", until Dracula used his irresistible dance moves to marry Tanya, the woman of his dreams. Later, Tanya arrives too, revealing that she is none other than Irwin's grandmother, making Irwin half-vampire on his father's side, and half-mummy on his mother's side. In the end, Van Helsing leaves, but Dracula is unsatisfied with his newfound family of nerds.

Directors: Maxwell Atoms
The Secret Snake Club

#5 - The Secret Snake Club 9.43

Season 4 - Episode 1

At school, Billy, Mandy and Irwin look for a club to join. Irwin plans to join the Macrame club in order to meet girls; Billy inquires on the Junior CIA club, which forcefully recruits him; Mandy joins the "Secret Snake Club", a snake-themed club consisting of three geeks. In their headquarters, the nerds reveal that their "secret agenda" is to resurrect Shnissugah, a giant snake which lived hundreds of years ago in Canada, to take revenge against the popular kids, but they lack the power of the Underworld to do so. Then, Mandy calls for Grim, who proceeds to revive Shnissugah through the internet. In the end, Billy, as a junior agent of the CIA, stops a criminal plan by Irwin, who was using the Macrame club for personal gain; and Shnissugah turns out to be a tiny, 8-cm (3.14-in) long, harmless snake.

Directors: Maxwell Atoms
Little Rock of Horrors

#6 - Little Rock of Horrors 9.33

Season 1 - Episode 22

In this musical episode, which pays homage to Little Shop of Horrors, Billy befriends a brain-eating meteor 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.

Directors: Maxwell Atoms
Short Tall Tales

#7 - Short Tall Tales 9.25

Season 7 - Episode 17

As Billy, Mandy, and Irwin need to write a school report on tall tales, Grim tells outrageous tall tales about Pecos Billy (based on Pecos Bill), Paula Bunyan (based on Paul Bunyan), and John Henry. In Grim's stories, Pecos Billy (Billy) tames a twister using his personal laser-shooting cow-like spacecraft, saving an Arizona trailer park; Paula Bunyan (Mandy) uses her blue ox companion, Babe, to stomp over a villain, creating the Grand Canyon in the process; John Henry (Irwin) digs through a tunnel so fast that he breaks the laws of Physics and bursts into the "8th dimension". After Grim tells them the stories, Mandy informs Billy and Irwin that he is trying to get them F's.

Directors: Maxwell Atoms
Modern Primitives

#8 - Modern Primitives 9.20

Season 6 - Episode 6

While Billy was trying to dig his way to the Earth's core, he stumbles upon a frozen caveman. It's Fred Flintstone! Grim and Billy thawed him out of the ice. Grim wants to reap Fred's soul, but Billy wants to keep him as a friend. At school, he presented the caveman to the class. Then Fred goes crazy and kidnaps Mrs. Butterbean.

Directors: Maxwell Atoms
Creating Chaos

#9 - Creating Chaos 9.00

Season 2 - Episode 8

When Billy, Mandy, and Grim go fishing, Eris, the goddess of chaos, gets Billy to help her use the Apple of Discord to create chaos (after her father grounded her). Instead of using the apple, Billy becomes distracted with his own idiotic errands, leading Eris to go insane. In the end, Billy finally decides to start creating chaos, but Eris is already too altered that she runs away.

Directors: Maxwell Atoms
El Dia de Los Muertos Estupidos

#10 - El Dia de Los Muertos Estupidos 9.00

Season 7 - Episode 20

When Billy's dad drives Billy, Mandy and Grim to the hamburger restaurant, they somehow end up in Mexico. There, the people are celebrating Dia de los Muertos, but local kids say it may be the last celebration ever, because Del Uglio, a masked and ugly luchador, is set on stealing the "Golden Nose of Chipotle", a prehispanic relic on which the festivity is based. To get to the nose, Del Uglio has one half of the map, while the other half is held by his lost twin brother, who turns out to be Billy. In the end, Grim defeats Del Uglio, but it is Mandy who keeps the golden nose for herself, which makes her rich.

Directors: Maxwell Atoms
Toadblatt's School of Sorcery

#11 - Toadblatt's School of Sorcery 8.87

Season 2 - Episode 1

In a parody of the Harry Potter series, Grim sends Billy and Mandy to a sorcery school so the latter duo could avoid boring summer camps they were supposed to go to. The sorcery school is owned by Dean Toadblatt, an anthropomorphic frog. Billy and Mandy are sent to the most hated house on the school, Weaselthorpe, while Grim becomes a prefect for a more loved house, Gunderstank. Billy and Mandy then team up with boy wizard Nigel Planter to sabotage Gunderstank. During the episode, Planter takes all the credit for the sabotage (which was Mandy's idea in the first place), but in the end, he is punished for it once he is "accidentally" found out by Toadblatt.

Directors: Maxwell Atoms
Dumb Luck

#12 - Dumb Luck 8.80

Season 3 - Episode 3

After spilling salt in a restaurant, and not throwing salt over his left shoulder, Billy starts having an unusual amount of 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.

Directors: Maxwell Atoms
Herbicidal Maniac

#13 - Herbicidal Maniac 8.60

Season 6 - Episode 10

Skarr was doing a lot of gardening in order to win the "Good Neighbor Award". When he spotted a weed, Skarr tries to exterminate it. He called Grim for assistance. Then Billy comes and ruins Skarr's garden with the mower. Strange glowing tendrils wrap Skarr around and gave him the powers to bring plants to life.

Directors: Maxwell Atoms
Mommy Fiercest

#14 - Mommy Fiercest 8.43

Season 5 - Episode 4

When Billy's mom, Gladys, discovers crow's feet on her face, she panics and doesn't want to leave the bathroom. As Grim needs to use the bathroom, he uses his scythe to make Gladys a young girl again, thus without wrinkles. Then, Gladys goes to see Billy, but neither he nor Mandy nor Irwin recognize her, and instead, Billy calls her "Corn", because of the white bread she gave him. Then, when Corn tells Billy to do his homework, Mandy tells him to go to the movie theater instead. In consequence, Corn and Mandy struggle over who gets to control Billy. In the end, Billy's father, Harold, plays with Grim's scythe and also becomes a child; he then goes to the movies and gets together with Gladys (Corn) again.

Directors: Maxwell Atoms
Nigel Planter and The Order of the Peanuts

#15 - Nigel Planter and The Order of the Peanuts 8.40

Season 7 - Episode 18

When Billy, Mandy and Grim go to a joke shop, they find the owner is former boy wizard Nigel Planter (a parody of Harry Potter), who reveals that his powers diminished and was kicked out of Toadblatt's School of Sorcery. Then, Planter steals Grim's scythe and heads to the school to exact revenge on those who wronged him. In the following, the guys seek the help of Planter's sworn enemy, Lord Moldybutt (a parody of Lord Voldemort), to find the school. In the end, Grim recovers his scythe, and Moldybutt turns out to be in fact only a real estate agent, who informs Planter that he is the heir to the "Peanuts by Planter" farming company.

Directors: Maxwell Atoms
A Grim Surprise

#16 - A Grim Surprise 8.17

Season 1 - Episode 14

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.

Directors: Maxwell Atoms
Big Trouble in Billy's Basement

#17 - Big Trouble in Billy's Basement 8.14

Season 1 - Episode 20

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 saying that they didn't want him there.

Directors: Maxwell Atoms
Tickle Me Mandy

#18 - Tickle Me Mandy 8.00

Season 1 - Episode 21

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.

Directors: Maxwell Atoms
Get Out of My Head!

#19 - Get Out of My Head! 7.83

Season 1 - Episode 6

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.

Directors: Maxwell Atoms
Opposite Day

#20 - Opposite Day 7.78

Season 1 - Episode 3

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.

Directors: Maxwell Atoms
Educating Grim

#21 - Educating Grim 7.67

Season 2 - Episode 2

Billy and Mandy take a reluctant Grim to school with them. There, Mandy's nemesis, Mindy, befriends Grim to annoy Mandy. In consequence, Billy calls for their other friend, who is Abraham Lincoln. In the end, Mandy devises a plan in which Mindy ditches Grim, and keeps Abraham as her friend instead.

Directors: Maxwell Atoms
Chaos Theory

#22 - Chaos Theory 7.60

Season 6 - Episode 11

While at Costmo, the gang finds out that everything is too orderly. After talking to Hoss Delgado about it, they discovered that's because he's dating Eris. There isn't that much chaos anymore. So it's up to them to "stop order from taking over."

Directors: Maxwell Atoms
Something Stupid This Way Comes

#23 - Something Stupid This Way Comes 7.50

Season 1 - Episode 13

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.

Directors: Maxwell Atoms
Meet the Reaper

#24 - Meet the Reaper 7.41

Season 1 - Episode 1

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.

Directors: Maxwell Atoms
Hoss Delgado: Spectral Exterminator

#25 - Hoss Delgado: Spectral Exterminator 7.40

Season 1 - Episode 16

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 adventures and is seen fighting a werewolf.

Directors: Maxwell Atoms