1 :01x01 - Meet the Reaper/Skeletons in the Water Closet

Meet the Reaper: The Grim Reaper plays a game of limbo for a hamster with two kids named Billy and Mandy. If he wins, he'll get Snuggles, the hamster and if he loses the kids get to keep the hamster and him too! Who will win the game?
Skeletons in the Water Closet: Billy's mom notices Grim she panics. It's not long until a battle occurs. What will happen next?

2 :01x02 - Opposite Day/Look Alive!

Opposite Day: Grim has to do all of the chores for Billy and Mandy since it's "Opposite Day."
Look Alive! : A modeling agency won't take Grim as a swim suit model because he's scary, so Billy and Mandy try to help him with a makeover.

3 :01x03 - Mortal Dilemma/Get Out of My Head

Mortal Dilemma: Grim does good deeds while Billy and Mandy are at school.
Get Out of My Head: Grim teaches Billy how to jump into people's heads and Billy jumps into Mandy. He makes Mandy do silly things.

4 :01x04 - Fiend Is Like Friend Without the "r"

Billy ends up in the center of the earth. Mandy and Grim get pulled down too. The creature called Nergal wants to keep Billy and Mandy as "friends," but Grim isn't doing anything to save them.

5 :01x05 - Recipe for Disaster

Billy eats all of the cookies that the Boy and Girl scouts are selling. Grim knows a secret recipe from a relative. He uses them to replace cookies Billy ate and everyone loves them, until something horrible is revealed about the cookies.

6 :01x06 - Dumb Wish

Billy disovers a lamp in Grim's trunk and Mandy and Billy get to make a wish while Grim can't because Mandy wishes Grim and Billy should shut up.

7 :01x07 - Grim Vs. Mom/Tastes like Chicken

Grim Vs. Mom: Grim is battled by Billy's mom.
Tastes like Chicken: Billy is convinced that Mandy eats other people.

8 :01x08 - Grim or Gregory/Something Stupid This Way Comes

Grim or Gregory: Mandy, Grim and Billy go Trick-or-Treating on Halloween. Grim mistakes a mother for looking like Atrocia. Gregory is mistaken as Grim by Billy.
Something Stupid This Way Comes: Billy teaches Nergal how to make friends.

9 :01x09 - A Grim Surprise/Beast and Barbarians

A Grim Surprise: Billy prepares for a birthday party for Mandy with Grim's help.
Beast and Barbarians: To try and stop their game addiction, Billy and Irwin are transported by Grim inside an actual video game.

10 :01x10 - Hoss Delgado: Spectral Exterminator/To Eris Human

Hoss Delgado: Spectral Exterminator: Grim, Billy and Mandy go on a trip to the museum, but an exterminator thinks that Grim is going to kill Billy and Mandy.
To Eris Human: Grim spots Eris, the Goddess of Chaos when shopping with Billy. Eris doesn't like Grim, but he wants to go out with her. Meanwhile, Mandy and Eris pull pranks on shoppers and then she does a prank on Mandy which makes her very angry. Grim and Mandy both try to prank Eris.

11 :01x11 - Billy's Growth Spurt/Billy and the Bully

Billy's Growth Spurt: A growth spurt starts to grow on Billy Grim makes him drink medicine when Billy eats too much junk food.
Billy and the Bully: Billy has trouble with Sperg, a bully at school.

12 :01x12 - Big Trouble in Billy's Basement/Tickle Me Mandy

Big Trouble in Billy's Basement: Billy turns evil when he steals Grim's magic book.
Tickle Me Mandy: Grim makes a fake Mandy for Billy to play with and he gets annoyed by it.

13 :01x13 - Little Rock of Horror/Dream a Little Dream

Little Rock of Horror: An alien meteor that eats everyone's brains is befriended by Billy.
Dream a Little Dream: Billy and Grim have nightmares after eating bad pizza, but Mandy eats it and has a dream about being the ruler of the demons.

Billy and Mandy's Jacked Up Halloween

Billy is used by Jack, a headless prankster from Grim's past, to steal Grim's scythe, so Jack can take over the world and eliminate Grim forever!

14 :02x01 - Toadblatt's School of Sorcery/Educating Grim/It's Hokey Mon!

Toadblatt's School of Sorcery: Grim sends Billy and Mandy to Toadblatt's School of Socery to save them from torture.
Educating Grim: Grim is forced to go to school with Billy and Mandy.
It's Hokey Mon! : Irwin and Billy start to become obsessed with Hokey Monsters, a trading card game. Grim brings one of the monsters in the cards to life to make it more interesting, but things go horribly wrong.

15 :02x02 - Night of the Living Grim/Brown Evil

Night of the Living Grim: Grim becomes alive after catches Aproching Doom Syndrome.
Brown Evil: Billy's brownies attract everything that has died back to life because he mistakes Grim's Evil Powder with salt. How will Billy and Mandy get rid of these zombies.
Brown Evil (Part 2): Hoss Delgado comes to the rescue to exterminate the zombies and Billy, Mandy and Hoss figure out what's doing all of this. It's the brownies in Grim's head. Now Hoss and Grim battle each other. Who will win?

16 :02x03 - Really Odd Couple/Creating Chaos/Mandy the Merciless

Really Odd Couple: Mandy has to stay with Billy after he accidentally releases a very powerful stink bomb in her house.
Creating Chaos: Billy is hired by Eris to create chaos, but Billy's idiotic antics make her crazy!
Mandy the Merciless: Billy, Mandy, Irwin and Grim look into the future.

17 :02x04 - Who Killed Who?/Tween Wolf

Who Killed Who? : Billy and Irwin are playing a game when they knock the dice over the fence. They want Mandy to get it because it went in Mrs. Doolin's yard. Mandy goes into the yard, not believing in the tales of Mrs. Doolin. She enters the mansion to find no one. She walks the corridors to find Mrs. Doolin. She finds out that all the tales are false and walks out of the house after milk and cookies. She gives the dice back to the boys.

Tween Wolf: Grim shows Mandy and Billy a magic hat. He knocks the hat outside as Irwin is walking down the street. The hat opens up and out pops a werewolf. The Werewolf bites Irwin, which causes Irwin to become a Werewolf. Thinking that Irwin is a dog, Billy enters Irwin in a dog show. Mandy enters her dog as Grim makes a potion. Grim spills the antidote on Irwin, causing Irwin to turn back into a human naked.

18 :02x05 - Grim in Love/Love is Evol Spelled Backwards/Crushed

Grim in Love: Grim is in love with Malaria, a Gothic woman and she's in love with him.
Love is Evol Spelled Backwards: Nergal is searching for a girlfriend.
Crushed: Mandy falls in love with Piff, a Goth boy.

19 :02x06 - The Crawling Niceness/Smarten Up/The Grim Show

The Crawling Niceness: Billy hatches a large, talking spider from the egg in Grim's trunk. Billy wants it to be dead, even if the spider has overwhelming fondness for Billy.
Smarten Up: Grim hands Billy a bookworm that will make him smarter, but unfortunately Milkshakes gets in the way and gets to the worm first.
The Grim Show: Grim becomes the new host for his favorite after he tries to save it from being cancelled.

20 :02x07 - Son of Nergal/Sister Grim/Go Kart 3000!

Son of Nergal: Negal's son (Billy's cousin), Junior is on a trip to winter camp, but so are Billy and Mandy. Junior wants to have some friends, so he kidnaps most of the people at camp, except Billy and Mandy.
Sister Grim: The nuns think Grim is a nun after he gets a paint can on his head. Will the nuns still like him after Grim tells the horrible truth about himself.
Go Kart 3000! : Grim and Mandy get angry because Billy won't let them help him and Irwin,so they build a go-kart of their own and enter the race. Will Billy and Irwin, Grim and Mandy, Sperg, Mindy or that mystery kid in a little red wagon win the race. And who is that mystery kid?

21 :02x08 - Terror of the Black Night/Battle of the Bands/Halls of Time

Terror of the Black Night: Grim makes Billy put on a suit of armor that's cool at a medieval fair, but he can't take it off until he defeats somebody in competition.
Battle of the Bands: Billy and his dad try to beat Grim and his band in the Endsville Battle of Bands.
Halls of Time: Grim takes Billy, Mandy and Irwin to the Halls of Time and there, Billy and Irwin mess with the hourglasses.

22 :02x09 - Grim For A Day/Chicken Ball Z

Grim for a Day: Billy and Grim trade places for a day to see what it's like in the other one's shoes.
Chicken Ball Z: With the help of a mysterious chicken ball, Mandy enters the local karate championship. Now, she's out of control and it's up to Billy to stop her.

23 :03x01 - Spider's Little Daddy/Tricycle Of Terror

Spider's Little Daddy: Jeff, Billy's eight-legged son, teaches him the joys of fatherhood.
Tricycle of Terror: Billy is given a new tricycle by a kid in a Porta Pottie, but the tricycle, Tryke, loves him a little too much.

24 :03x02 - Dumb Luck/No Body Loves Grim

Dumb Luck: Billy does something stupid and ends up with a catastrophe snail that's causing him a lot of bad luck.
No Body Loves Grim: Grim's body and head get separated from each other. His body is living it up, but his head is ending up down and out of places.

25 :03x03 - Lil Pork Chop/Skarred For Life

Lil Pork Chop: Grim's soft side is brought up when Billy's new, small pet fish, Lil Pork Chop, have problems. Meanwhile, Harold has quality time with Billy, who is actually not there.
Skarred For Life: General Skarr, or Mr. Skarr, moves into Billy and Mandy's neighborhood for a better life but gets more than he bargained for.

26 :03x04 - House Of Pain/Mandy Bites A Dog/A Grim Preposition

House of Pain: Grim turns out not to be so worthy when Lord Pain comes from the Plane of Eternal Suffering to serve him.
A Grim Prophecy: Grim, as a young reaper, learns his fate from the first customer.
Mandy Bites Dog: Mandy adopts Grim's scary hound after Mindy makes fun of her dog.

27 :03x05 - Nursery Crimes/My Peeps

Nursery Crimes: Billy can't sleep and asks Mandy and Grim to tell him a fairy tale. Grim's supernatural stories go haywire when Billy befriends Pinocchio.
My Peeps: Billy loses his eyesight after sitting too close to the television.

28 :03x06 - Nigel Planter And The Chamber Pot Of Secrets/Cirus Of Fear

Nigel Planter and the Chamber Pot of Secrets: Billy, Mandy and Grim go to Toadblatt's School of Sorcery again to save Nigel Planter from the evil Lord Moldybutt.
Circus of Fear: Billy and Mandy become a main attraction when Grim takes them to the Circus of Fear.

29 :03x07 - Bully Boogie/Here Thar Be Dwarves!

Bully Boogie: Grim's old nemesis, the Boogie Man, tries to take over Grim's job, bringing up an old rivalry that ends up in a showdown for supremacy.
Here Thar Be Dwarves! : No one wants to go on a picnic with Billy, so Billy goes on a picnic by himself.

30 :03x08 - Which Came First?/Substitute Teacher

Which Came First?: A field trip for school leads to the finding of a Cold War experiment with super chickens that failed. Grim and Mandy must rescue Billy from becoming chicken feed.
Substitute Teacher: Nergal Jr. starts school with Billy and Mandy and Sperg bullies Nergal Jr. When the teacher won't protect him, Nergal Jr. steps up, morphs into the teacher and teaches Sperg a lesson in being respectful.

31 :04x01 - Super Zero/Sickly Sweet

Super Zero: Billy becomes a super hero who has yogurt superpowers and Grim is left at home with Billy's dad.
Sickly Sweet: Grim and Billy try to teach Mandy about how to be nice using the Mask of the Beast.

32 :04x02 - Bearded Billy/The Nerve

Bearded Billy: Billy discovers that too much hair tonic can have scary side effects when he takes Grim's special hair tonic.
The Nerve: Billy robs a nerve from Mandy to confront Sperg.

33 :04x03 - A Test of Time/A Kick in the Asgard

A Test of Time: Billy and Mandy change the course of history forever when they travel back in time to research their history reports.
A Kick in the Asgard: Billy is transported to Valhalla. Meanwhile, Grim and Mandy meet a man from Valhalla that is more obnoxious than Billy.

34 :04x04 - Five o'Clock Shadows

Grim takes Billy and Mandy to the shadow world and they see that their shadows are the opposite of each other. Mandy's shadow is childish, while Billy's shadow is dumber than Billy. Mandy tries to toughen up her shadow while Billy opens a door with a baseball and releases bunches of Billies from all over the universe.

35 :04x05 - Attack Of The Clowns/Complete and Utter Chaos

Attack of the Clowns: Grim and Mandy try to cure Billy's fear of clowns, but they don't know how bad the problem is.
Complete and Utter Chaos: Eris has promised to give up chaos and gives a golden apple (which can cause chaos and destruction) to Grim to watch it, but Billy and Mandy want it.

36 :04x06 - Whatever Happened To Billy Whatsisname?/Just The Two Of Pus

Whatever Happened to Billy Whatisname?: Mandy replaces Billy with Bobby after Billy doesn't please Mandy.
Just The Two of Pus: Sperg figures out that the only cure for his pimples is a touch from Grim's arm, but he must be nice to Billy first.

37 :04x07 - Chocolate Sailor/The Good, The Bad and The Toothless

Chocolate Sailor: Billy becomes his own customer when he gets a job selling Chocolate Sailors.
The Good, The Bad and The Toothless: Billy meets the tooth fairy after he loses a tooth and learns that the tooth fairy isn't all cracked to be.

38 :04x08 - That's My Mummy/Toys Will Be Toys

That's My Mummy: Billy is unleashed the curse of the mummy on himself.
Toys Will Be Toys: Grim brings toys called the Dinobanoids to life so Billy can say his final goodbye to the toys, but the toys aren't ready to be outgrown.

39 :04x09 - Secret Snake Club

At school, it's school club day. Irwin joins the macrame club, Billy goes to a Junior CIA club and Mandy discovers the Secret Snake Club. The club consists of three nerds who want to resurrect a snake to eat all of the cool kids.

40 :04x10 - He's Not Dead, He's My Mascot/Hog Wild

He's Not Dead, He's My Mascot: Billy is chosen to take care of Fluffy Cat, which is Endsville's mascot.
Hog Wild: When Billy's dad gets a new motorcycle, Billy takes it out for a spin and crashes it. He begs Grim to fix it and he does with some unexpected consequences.

41 :04x11 - The Bad News Ghouls/The House of No Tomorrow

The Bad News Ghouls: Baseball gets terrifying when Grim invites some dead baseball players to help Billy's team beat Mindy's team.
The House of No Tomorrow: Billy, Grim and Mandy visit an amusement attraction that is closed and find out the reason they should fear the future.

42 :04x12 - Happy Huggy Stuffy Bears/Secret Decoder Ring

Happy Huggy Stuffy Bears: Mandy's acting career unleashes toys called the Happy Huggy Stuffy Bears with an evil motive.
Secret Decoder Ring: An friend from Grim's past attempts to gather all of Endsville's children to free her from curse from high school.

43 :04x13 - Wild Parts/The Problem With Billy

Wild Parts: Billy's nose is taken away by a Nasalmancer looking for a new nose because he doesn't have one.
The Problem With Billy: Billy's dad tells Grim and Mandy about Billy being smart.

44 :05x01 - Wishbones

Mandy and Grim find an old skull called Thromnambular. The skull can make nine wishes happen. Billy, Harold, Skarr, Irwin, Pud'n, Junior, Sperg and Mindy all get their wishes granted, but with some problems. Mandy sells the skull and Grim ends this episode.

45 :05x02 - Dream Mutt/Scythe For Sale

Dream Mutt: Billy finds four dogs that he likes, but he can only pick one, so Grim makes a dog by merging all four dogs. When Billy makes the dog sleep outside, the dog gets angry and decides to take everyone's beds, using Grim's trunk. Mandy already has a plan (she knew this would happen anyways).
Scythe for Sale: When Billy holds a yard sale to get Sea Critters, he accidentally sells Grim's scythe to Irwin along with golf clubs. Irwin uses the scythe to make Mandy finally fall in love with him and also create chaos on the city of Endsville.

46 :05x03 - Jeffy's Web/Irwin Gets A Clue

Jeffy's Web: Jeff (the spider) lays a thousand eggs. He makes sure that Billy looks after them, but Billy is still afraid of spiders. What will happen?
Irwin Gets a Clue: Irwin starts to feel bad because Mandy never notices him. Hoss Delgado returns in this episode to fight more demons. Hoss needs a sidekick, so he asked Irwin if he wanted to be his sidekick. Hoss tries to make Irwin a hot stud.

47 :05x04 - Duck!/Aren't You Chupacabra To See Me?

Duck!: A duck that is a ghost goes around following people in Endsville, while making farting noises. Who will stop this phantom menace from making everyone go to jail?
Aren't You Chupacabra To See Me?: Grim and Mandy get bored from watching the same movie over and over again. So, they decide to rent a movie in the underworld video store. Billy watches the movie alone and suddenly a chupacabra reaches out from the TV. Billy wants to keep it, not knowing that it's really trying to suck the life out of him.

48 :05x05 - Zip Your Fly/Puddle Jumping

Zip Your Fly: Billy discovers a zipper from Grim's real power. The zipper can zip and unzip anything you put it on.Mandy takes advantage of the zipper, but unfortunately zips a fly's head with her head!
Puddle Jumping: Billy's small pool is accidentally zapped by Grim and it can transport you to anywhere in the world. Billy ends up in a bayou after he does a cannonball and Granny Applecheeks wants to make "Billy Pie" out of him.

49 :05x06 - Runaway Pants/Scythe 2.0

Runaway Pants: Today is the the fitness exam at Billy and Mandy's school and Nergal Jr. is competing, too. He can change his shape and size, so it makes the whole exam easy for him. Billy asks Nergal Jr. to turn into some pants for the last part of the exam, which is a jogging contest. Billy runs at amazing speed, but there's a little problem....he can't stop runnning! So Billy runs all over the world and is known as the fitness lad.
Scythe 2.0: Grim scythe starts to get kind of dull, so he trys to get a new one. He is told that there's an upgrade to his old scythe: Scythe 2.0. Scythe is forced to do all of Billy and Mandy's chores by Grim, but when Scythe 2.0 gets angry at the kids, he decides he needs to kill Billy and Mandy. Grim wanted to do it, so he goes after it.

50 :05x07 - The Firebird Sweet/The Bubble With Billy

The Firebird Sweet: Billy gets a new cereal called the Frosted Golden Apple Scraps. It comes with a prize: A Phoenix who loves cereal. The Phoenix sticks to Billy when he trys to eat a piece. Grim, Mandy and Billy go to "Erizona" to help correct the problem.
The Bubble With Billy: Billy needs to pass the test and he needs gum to do it. Grim hands him some special underworld gum and gives Billy a warning: Do not swallow the gum. Billy didn't listen to Grim. Now bubbles are flying all over Endsville after Billy talks.

51 :05x08 - Billy Idiot/House of the Ancients

Billy Idiot: Billy is accepted to a ballet school and that allows him to achieve his aspiration to become a ballet dancer. Billy finds that the school is actually a place for stealing ballet dancer's souls.
House of the Ancients: Billy, Mandy and Grim and sentenced to doing community service at a retirement home that's supernatural. Grim finds out that his childhood idols (the Wolfman, the Bride of Frankentein and Dracula) are living there. He gets upset when Billy says they're not scary. Grim trys to prove that his heroes that are monstrous heroes are as terrifying than ever, but things don't ever go as planned.

52 :05x09 - My Fair Mandy

After Mindy gloats at Mandy sarcastically, like she usually does, Mandy decides to enter the school beauty paegent and Grim, Billy and Cabrina, the Underworld make-up artist try to help Mandy smile. What will happen if Mandy actually smiles in front of the audience?

53 :05x10 - One Crazy Summoner/Guess What's Coming to Dinner

One Crazy Summoner: A giant snake eats Billy's mom and dad. Meanwhile, Billy is talking to the enchanted toilet to find Nigel Planter. Then, Billy, Mandy and Grim are sent to the world of magic. There, they notice that Nigel is now a teenager. Planter wishes to get a beautiful witch's attention.
Guess What's Coming to Dinner: After Billy's mom and dad go on a vacation, Hoss Delgado and Eris pretend to be Billy's parents for Mr. Goodvibe's arrival.

54 :05x11 - Mommy Fiercest/The Taking Tree

Mommy Fiercest: Billy's mom is going through a mid-life crisis. She trys to use the cream that can remove her crow's feet (wrinkles) on her face. Grim wants to use the bathroom so anxiously. Gladys turns into a little girl after Grim used his scythe. Meanwhile, Billy is sad because he ate his slice of bread. Suddenly, the young version of Billy's mom comes up to him. Billy would call her, "Corn." Gladys told Mandy that she controls, but Mandy said she controls Billy. Who will win and take control of Billy?
The Taking Tree: A "Taking Tree" named Eldridge Johnson Mayer took Billy's action figure, mayo and pants. The tree also takes Grim's scythe and Mandy's books. How will they get their stuff back?

55 :05x12 - Reap Walking/The Loser from the Earth's Core

Reap Walking: Grim is blamed for kidnapping an endangered white-winged owl.
The Loser from the Earth's Core: Grim and Billy teach Nergal to accept his life as a loser after Nergal comes to live at Billy's house for a year.

56 :05x13 - Ecto Cooler/Schlubs

Ecto Cooler: Lord Byron gives lessons about being cool to Billy while haunting Billy's mouth.
Schlubs: Grim wants to know the answers to the end of My Troubled Pony, but the show is cancelled. Mandy and Grim go outside into Billy's yard and notice a village of mushrooms, home to the Schlubs. Grim wants to chop their heads off for gold. Will he do it or fail?

57 :05x14 - Prank Call of Cthulu

After Billy and Iriwn make a prank call for one of the Evil Elder Gods, they are sucked into another dimension.

58 :05x15 - Billy and Mandy Save Christmas

Billy and Mandy are taken to the North Pole by Grim to prove that Santa Claus is real. When they are there, they discover that Santa has been turned into a vampire. Who is it?

59 :05x16 - Billy Ocean/Hill Billy

Billy Ocean:

Billy is eaten by a whale

Hill Billy:

Billy wants to juggle chickens

60 :05x17 - Keeper of the Reaper

Billy's dad gets a new job and he and his family have to move to another part of town. Billy and Mandy now have one problem...who's going to keep Grim? Is Billy going to be the "keeper of the reaper" or should Mandy own him? To solve this problem, they go to the Underworld court. Frightening creatures (including Fred Fredburger, the annoying monster who never shuts up) will decide who will keep Grim once and for all.

61 :05x18 - The Love that Dare to Not Speak Its Name/Major Cheese

The Love that Dare to Speak Its Name: Billy finds his own soul mate, named Blandy, but she's in love with Grim and Billy thinks that Grim loves her.
Major Cheese: Grim is dressed up like a cheese snack and tries to get Mighty Moe, a person who has found a way to live forever by adding bonus years to good health, to have junk food so they can be reaped, but a lot of things fail.

62 :05x19 - Modern Primitives/Giant Billy and Mandy All Out Attack

Modern Primitives: A caveman thaws out of a block of ice and Billy teaches him to adapt to the modern world. After he shows everyone the caveman at school, the caveman goes on a rampage because of the modern world itself. Will anyone or anything stop him?

Giant Billy and Mandy All-Out Attack: Grim transports Billy and Irwin to mystical Japan and there they watch giant monsters fight. A monster comes after Grim tries to zap Billy and the monster's arch-enemy comes along too. The monster tries to defeat him meanwhile Mandy reads a letter from Billy and goes to mystical Japan to beat up the cat monster and Billy.

63 :05x20 - The Wrongest Yard/Druid, Where's My Car?

The Wrongest Yard: When Sperg's bullying goes too far, Billy and Irwin join a football team. Irwin is the quarterback while Billy is a training dummy and when Mandy tells the football players what to do through a megaphone, the coach makes Mandy a cheerleader replacing Mindy. Now Mindy wants revenge and will do anything to be cheerleader again with the help of a cheer-leading trophy named Carrie Anne, but she keeps messing up and keeps making the football team lose. Will the team win and will Mindy ever get to be a cheerleader again?
Druid, Where's My Car? : Grim and Billy learn how to be a druid in order to get Billy's kite out of an oak tree. Meanwhile, Mandy tries to find her way out of the same oak tree.

64 :05x21 - Herbicidal Maniac/Chaos Theory

Herbicidal Maniac: After Billy messes up his yard with a lawn mower and is affected by Grim's scythe, Mr. Skarr becomes a green creature who turns things into plants when he touches them. He wants to kill Billy for ruining his yard although he made the plants grow back in his garden and won an award for being a good neighbor.
Chaos Theory: Billy, Mandy, Grim and Irwin are at Costmo and they notice that there is less chaos. The cause is that Hoss Delgado and Eris are dating with each other. Now Grim, Mandy, Irwin and Billy try to find a way to break them up.

65 :05x22 - A Grim Day/Pandora's Lunch Box

A Grim Day: Grim gets a day off from work when Billy visits his grandmother and Mandy gets her home spa treatment. He lets Mr. Skarr borrow his scythe, but he tries to use it for evil and then makes his lawn gnomes grow. With the help of Pud'n and Mindy, Grim tries to get his scythe back.
Pandora's Lunch Box: A new student named Dora comes to class and tries to make people open her mysterious lunchbox. She tricks Mandy into opening it so that Mindy can be destroyed and now demons that look like food are unleashed upon humanity. Mandy gets angry that she was tricked and the only way to stop Dora and the demons is to close the lunch box and then open it again. Can she do it?

66 :05x23 - Billy and Mandy vs. the Martians

Grim leaves Earth when Morg, the Martian Grim Reaper, takes him to Mars with Billy, Mandy, Irwin following them in Grim's trunk. There, they see zombies and Grim and Morg try to take over Earth.

Billy & Mandy: Wrath of the Spider Queen

Billy & Mandy's Big Boogey Adventure

Underfist: Halloween Bash

67 :06x01 - Dumb-Dumbs and Dragons/Fear and Loathing in Endsville

Dumb-Dumbs and Dragons: Billy wants to prove that he is a hero, so Boss Del Guapo teaches him how by making him do his chores. Now that he has done the training, Billy tries to find the weaknesses of Killdozer, the dragon that Billy is supposed to slay while teaching Killdozer the "Billy Style." In the process, he becomes friends with Killdozer, however he still has to slay him. Will he slay Killdozer?
Fear and Loathing in Endsville: Dracula drives to a local diner with Grim for an early bird special, but he gets them stuck in a desert. How will they get out of the desert and make it to the diner?

68 :06x02 - Dad Day Afternoon/Scary Poppins

Dad Day Afternoon: Grim's father thinks he's a country singer, however Grim is not one anymore. Grim wants to tell him the truth, but he is scared, so Billy and Mandy try to help.
Scary Poppins: Mandy's parents can't stand Mandy anymore, so they hire a nanny to teach her good manners, but will she succeed?

69 :06x03 - Hurter Monkey/Goodbling and the Hip-Hop-Opotamus

Hurter Monkey: Billy and Mandy want a monkey butler named Dickie Galoot from a T.V. show. Grim zaps the T.V. with his scythe to prove that Dickie can't do better at chores than Grim, but proves him wrong. Grim wants to leave, however he cannot or else he'll go to the Underworld Jail. He tries to get rid of Dickie in cleaning contest. Who will win?
Goodbling and the Hip-Hop-Opotamus: Principal Goodvibes turns into a hip-hop rapper by a blast from Grim's scythe.

70 :06x04 - Spidermandy/Be A-Fred, Be Very A-Fred

Spidermandy: Mandy gets the chicken pox from Jeff.
Be A-Fred, Be Very A-Fred: Grim becomes a "spokesmonster" for a high-profile company.

71 :06x05 - The Crass Unicorn/Billy and Mandy Begins

The Crass Unicorn: Billy wants to go to a magical place where everything is positive, so Grim takes him to the Enchanted Forest. Most things are peaceful except a rude unicorn named Mary Frances. Billy tries to change her.
Billy and Mandy Begins: Irwin asks Billy, Mandy, and Grim how they met.

72 :06x06 - The Secret Snake Club vs. P.E/King Tooten Pooten

The Secret Snake Club vs. P.E.: Several of the kids in school, including Billy and Erwin want to get out of P.E., and so they enlist the help of the Secret Snake Club.

King Tooten Pooten: Irwin learns about his heritage, and he was related to a pharoah named "King Tooten Pooten". Then King Tooten Pooten comes back in the night, to try and convince Erwin to be king. Will he succeed?

73 :06x07 - Billy Gets an "A"/Yeti or Not, Here I Come

The unthinkable happens, and Grim and Mandy must clean it up; Grim discovers that he forgot to reap the abominable snowman.

74 :06x08 - Nergal's Pizza/Hey, Water You Doing?

A shape-shifting monster loves pizza; a lovesick mermaid falls in love with an idiot.

75 :06x09 - Company Halt/Anger Mismanagement

General Skarr is lured back to the dark side; Mandy, Grim and Skarr get help to control their tempers.

76 :06x10 - Waking Nightmare/Beware of the Undertoad

77 :06x11 - The Greatest Love Story Ever Told Ever/Detention X

78 :06x12 - Billy and Mandy Moon the Moon

Billy, Mandy and Grim must preserve Earth's dairy stock after they are kidnapped by aliens obsessed with cheese.

79 :06x13 - Dracula Must Die/Short Tall Tales

80 :06x14 - Nigel Planter and the Order of the Peanuts

Billy, Mandy and Grim must preserve Earth's dairy stock after they are kidnapped by aliens obsessed with cheese.

81 :06x15 - El dia de los Muertos Stupidos/Heartburn

El dia de los Muertos Stupidos: TBA

Heartburn: When toying with Grim's "true heart camera", Billy takes photos of himself, Mandy, and Irwin. Upon examining the photos, Mandy is shocked to discover something Irwin has been concealing from her, and when confronted, he reveals a dark secret that threatens to radically change Mandy's heart...

82 :06x16 - Everything Breaks/The Show that Dare Not Speak Its Name