Ed, Edd n Eddy/The Grim Adventures of Billy & Mandy Fools-a-Thon

Ed, Edd n Eddy/The Grim Adventures of Billy & Mandy Fools-a-Thon was a special 5-hour of Ed, Edd n Eddy and The Grim Adventures of Billy & Mandy April Fools' Day marathon that aired on Cartoon Network on April 1, 2005 from 7:00 PM until Midnight. The marathon included all the Ed, Edd n Eddy and The Grim Adventures of Billy & Mandy episodes, and an all-new episode of the show. This marathon was part of Fridays.

This marathon was aired again on April 1, 2006 from 12:30 PM - 7:00 PM.

2005

 * 7:00 PM - Ed, Edd n Eddy - "Robbin' Ed / A Case of Ed"
 * 7:30 PM - The Grim Adventures of Billy & Mandy - "Chocolate Sailor / The Good, The Bad and The Toothless"
 * 8:00 PM - Ed, Edd n Eddy - "Stiff Upper Ed / Heres Mud In Your Ed"
 * 8:30 PM - The Grim Adventures of Billy & Mandy - "He's Not Dead, He's My Mascot / Hog Wild" (NEW)
 * 9:00 PM - Ed, Edd n Eddy - "Stuck in Ed / Postcards from the Ed"
 * 9:30 PM - The Grim Adventures of Billy & Mandy - "That's My Mummy / Toys Will Be Toys"
 * 10:00 PM - Ed, Edd n Eddy - "Run for Your Ed / Hand Me Down Ed"
 * 10:30 PM - The Grim Adventures of Billy & Mandy - "The Secret Snake Club"
 * 11:00 PM - Ed, Edd n Eddy - "Take This Ed and Shove It"
 * 11:30 PM - The Grim Adventures of Billy & Mandy - "He's Not Dead, He's My Mascot / Hog Wild" (ENCORE)

2006

 * 12:30 PM - The Grim Adventures of Billy & Mandy
 * 1:00 PM - Ed, Edd n Eddy
 * 1:30 PM - The Grim Adventures of Billy & Mandy
 * 2:00 PM - Ed, Edd n Eddy
 * 2:30 PM - The Grim Adventures of Billy & Mandy
 * 3:00 PM - Ed, Edd n Eddy
 * 3:30 PM - The Grim Adventures of Billy & Mandy
 * 4:00 PM - Ed, Edd n Eddy
 * 4:30 PM - The Grim Adventures of Billy & Mandy
 * 5:00 PM - Ed, Edd n Eddy
 * 5:30 PM - The Grim Adventures of Billy & Mandy
 * 6:00 PM - Ed, Edd n Eddy
 * 6:30 PM - The Grim Adventures of Billy & Mandy