The Amazing Colossal Crossover

The Amazing Colossal Crossover was a 13.5-hour marathon that aired on Sunday, November 11, 2007 from 6am to 7:30pm.
The marathon featured episodes of The Grim Adventures of Billy and Mandy and Codename: Kids Next Door, along with two movies, "Operation: Z.E.R.O.", "Billy & Mandy's Big Boogey Adventure" and specials, leading up to the premiere of The Grim Adventures of the KND at 7pm. Plus, after The Grim Adventures of the KND, there's a 5-minute preview of the Cartoon Network original movie, "Ben 10: Race Against Time".
== Schedule ==
* 6:00am - The Grim Adventures of Billy and Mandy
* 6:30am - The Grim Adventures of Billy and Mandy
* 7:00am - Codename: Kids Next Door
* 7:30am - Codename: Kids Next Door
* 8:00am - The Grim Adventures of Billy and Mandy
* 8:30am - The Grim Adventures of Billy and Mandy
* 9:00am - Codename: Kids Next Door
* 9:30am - Codename: Kids Next Door
* 10:00am - The Grim Adventures of Billy and Mandy - "Wrath of the Spider Queen"
* 11:00am - Codename: Kids Next Door
* 11:30am - Codename: Kids Next Door
* 12:00pm - The Grim Adventures of Billy and Mandy
* 12:30pm - Codename: Kids Next Door - Operation: Z.E.R.O.
* 2:00pm - The Grim Adventures of Billy and Mandy
* 2:30pm - The Grim Adventures of Billy and Mandy
* 3:00pm - Codename: Kids Next Door
* 3:30pm - Codename: Kids Next Door
* 4:00pm - The Grim Adventures of Billy and Mandy
* 4:30pm - The Grim Adventures of Billy and Mandy
* 5:00pm - The Grim Adventures of Billy and Mandy - "Billy and Mandy's Big Boogey Adventure"
* 7:00pm - The Grim Adventures of the KND (PREMIERE)
== Gallery ==
Cartoon Network THE AMAZING COLOSSAL CROSSOVER Promo
Cartoon Network THE AMAZING COLOSSAL CROSSOVER Promo 2
Category:Marathons
Category:The Grim Adventures of Billy & Mandy Marathons
Category:Codename: Kids Next Door Marathons
Category:Crossover
Category:Fall Marathons
Category:Movie Marathons