Seasons
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Season 1 Aug. 24, 2001
Season 2 Jun. 13, 2003
Season 3 Jun. 11, 2004
- Episode 1: Spider's Little Daddy
- Episode 2: Tricycle of Terror
- Episode 3: Dumb Luck
- Episode 4: No Body Loves Grim
- Episode 5: Lil' Porkchop
- Episode 6: Skarred for Life
- Episode 7: House of Pain
- Episode 8: A Grim Prophecy
- Episode 9: Mandy Bites Dog
- Episode 10: Nursery Crimes
- Episode 11: My Peeps
- Episode 12: Nigel Planter and the Chamber Pot of Secrets
- Episode 13: Circus of Fear
- Episode 14: Bully Boogie
- Episode 15: Here Thar Be Dwarves!
- Episode 16: Which Came First?
Season 4 Feb. 25, 2005
- Episode 1: The Secret Snake Club
- Episode 2: He's Not Dead, He's My Mascot
- Episode 3: Hog Wild
- Episode 4: The Bad News Ghouls
- Episode 5: The House of No Tomorrow
- Episode 6: Happy Huggy Stuffy Bears
- Episode 7: The Secret Decoder Ring
- Episode 8: Wild Parts
- Episode 9: The Problem with Billy
- Episode 10: Wishbones
- Episode 11: Dream Mutt
- Episode 12: Scythe for Sale
- Episode 13: Jeffy's Web
Season 5 Jul. 29, 2005
Season 6 Jan. 06, 2006
- Episode 1: Billy Ocean
- Episode 2: Hill Billy
- Episode 3: Keeper of the Reaper
- Episode 4: The Love That Dare Not Speak Its Name
- Episode 5: Major Cheese
- Episode 6: Modern Primitives
- Episode 7: Giant Billy and Mandy All Out Attack
- Episode 8: The Wrongest Yard
- Episode 9: Druid, Where's My Car?
- Episode 10: Herbicidal Maniac
- Episode 11: Chaos Theory
- Episode 12: A Grim Day
- Episode 13: Pandora's Lunch Box
Season 7 Jun. 06, 2006
- Episode 1: Everything Breaks
- Episode 2: The Show that Dare Not Speak Its Name
- Episode 3: The Secret Snake Club vs P.E.
- Episode 4: King Tooten Pooten
- Episode 5: Billy Gets an "A"
- Episode 6: Yeti or Not, Here I Come
- Episode 7: Nergal's Pizza
- Episode 8: Hey, Water You Doing?
- Episode 9: Company Halt
- Episode 10: Anger Mismanagement
- Episode 11: Waking Nightmare
The Grim Adventures of Billy and Mandy Season 5 Episode 3
When Billy’s parents leave for their second honeymoon, Billy is left alone at the worst possible moment, since he has invited Principal Goodvibes over to dinner so he can recommend him into Rollington Academy for the Gifted. Billy’s dad suggest Billy to use Eris, the goddess of chaos, and Hoss Delgado, spectral exterminator, as his substitute parents during the dinner. The dinner is a disaster with Delgado terrorizing Goodvibes, and Eris unleashing giant alien zombie lobsters. Goodvibes forcefully recommends Billy into Rollington Academy, which, as it turns out, is actually a military school.