The Grim Adventures of Billy & Mandy
S01:E11 - Mandy the Merciless / Creating Chaos / The Really Odd Couple
S01:E01 - Meet the Reaper / Skeletons in the Water Closet / Opposite Day
Grim arrives for Mr. Snuggles' soul, Billy's mom discovers him at home, and Mandy's Opposite Day prank drives him to the brink of insanity.
S01:E02 - Get Out of My Head / Look Alive / Mortal Dilemma
Billy swaps bodies with Mandy, Grim chases swimsuit-model dreams, and a rescued skateboarder sparks his midlife crisis around town.
S01:E03 - Fiend Is Like Friend Without the "R" / Recipe for Disaster / Dumb Wish
Grim must rescue Billy and Mandy, cursed cookies wreak havoc, and a genie wish sparks chaos as everyone fights for favor.
S01:E04 - Grim or Gregory / Grim vs. Mom / Tastes Like Chicken
Nergal uses a giant carnival to make friends, while Billy's mother returns and sets out to destroy Grim once and for all at last.
S01:E05 - Something Stupid This Way Comes / A Grim Surprise / Beasts & Barbarians
Nergal builds a giant carnival to make friends, Billy and Grim plan Mandy's birthday, and a video game obsession leads to another dimension.
S01:E06 - Billy's Growth Spurt / Hoss Delgado: Spectral Exterminator / Tickle Me Mandy
Billy battles a school bully, meets paranormal hunter Hoss Delgado on a museum trip, and unleashes chaos with a stolen spellbook.
S01:E07 - Billy & the Bully / To Eris Human / Big Trouble in Billy's Basement
Billy faces bully Sperg, Eris pulls Mandy into chaos at the mall, and a possessed Billy unleashes an approaching apocalypse.
S01:E08 - Battle of the Bands / Little Rock of Horrors / Dream a Little Dream
Grim fronts a metal band, Billy befriends a brain-eating meteor, and bad pizza sends the gang into bizarre nightmares.
S01:E09 - Toadblatt's School of Sorcery / Educating Grim / It's Hokey Mon
At a magic academy, Mandy suspects Mindy’s motives while living playing cards unleash monsters across Endsville with Billy and Grim.
S01:E10 - The Night of the Living Grim / Brown Evil (Pt. 1 & 2)
After falling ill, Grim springs to life as brownie-loving zombies trap Billy, Mandy and Grim inside their house with Hoss Delgado.
S01:E11 - Mandy the Merciless / Creating Chaos / The Really Odd Couple
Mandy rules a future world, Eris recruits Billy to spread chaos, and bedroom battles erupt when Billy and Mandy become roommates.
S01:E12 - Who Killed Who? / Tween Wolf
Mandy explores a haunted house where no one returns, while Billy enters werewolf Irwin in a neighborhood dog show.
S01:E13 - Grim in Love / Crushed / Love Is "Evol" Spelled Backwards
Grim develops a crush on a goth girl, while Mandy seeks his help to stop her own crush, and Nergal becomes smitten with Billy's aunt.
S01:E14 - The Crawling Niceness / Smarten Up! / The Grim Show
Billy hatches a giant spider he hates, Grim's scheme to boost his smarts fails, and Grim accidentally becomes host of his favorite show.
S01:E15 - Son of Nergal / Sister Grim / Go-Kart 3000
At winter camp, Billy and Mandy face Nergal Jr., while Grim is mistaken for a nun and later joins the kids in a chaotic go-kart competition.
S01:E16 - Five O'Clock Shadows / Terror of the Black Knight
Billy and Mandy spend hours in the Shadow World, while Billy later shows off at a festival in cursed knight armor conjured by Grim.
S01:E17 - Grim for a Day / Chicken Ball Z / Halls of Time
Billy and Grim swap roles, while Mandy gains powers for a martial arts showdown, and later the trio visit the Halls of Time for a strange adventure.
S01:E18 - Billy & Mandy's Jacked-Up Halloween
Jack, a headless prankster from Grim's past, uses Billy to steal Grim's scythe in a plot to destroy him and unleash demons on the world.