Prank-A-Thon was a special 6-hour prank-themed April Fools' Day marathon that aired on April 1, 2014 from 2:00 PM until 8:00 PM. The marathon included all the cartoon shows and an all-new episode of Uncle Grandpa at 7:00 PM.
Schedule[]
- 2:00 PM - Johnny Test
- 3:00 PM - The Amazing World of Gumball
- 4:00 PM - Adventure Time
- 5:00 PM - Regular Show
- 6:00 PM - Uncle Grandpa
- 7:00 PM - Uncle Grandpa