Uncle Grandpa Day

Uncle Grandpa Day was a special 7-hour marathon that aired on Cartoon Network on Thursday August 21, 2014 from 9:00 AM to 6:00 PM. The marathon featured every single episode of Uncle Grandpa that had been aired up to that point (first 26 episodes). The marathon led up to an all-new half-hour Uncle Grandpa special at 7:30 PM.

On April 2, 2015, the marathon aired again from 7:30 AM to 6:00 PM, featuring many episodes and the premiere of the Steven Universe-Uncle Grandpa crossover (entitled "Say Uncle") at 5:30PM. The marathon has also aired in the Asia.

Thursday, August 21, 2014

 * 9:00 AM - Uncle Grandpa
 * 9:30 AM - Uncle Grandpa
 * 10:00 AM - Uncle Grandpa
 * 10:30 AM - Uncle Grandpa
 * 11:00 AM - Uncle Grandpa
 * 11:30 AM - Uncle Grandpa
 * 12:00 PM - Uncle Grandpa
 * 12:30 PM - Uncle Grandpa
 * 1:00 PM - Uncle Grandpa
 * 1:30 PM - Uncle Grandpa
 * 2:00 PM - Uncle Grandpa
 * 2:30 PM - Uncle Grandpa
 * 3:00 PM - Uncle Grandpa
 * 3:30 PM - Uncle Grandpa
 * 4:00 PM - Uncle Grandpa
 * 4:30 PM - Uncle Grandpa
 * 5:00 PM - Uncle Grandpa
 * 5:30 PM - Uncle Grandpa

Thursday, April 2, 2015

 * 7:30 AM - Uncle Grandpa
 * 8:00 AM - Uncle Grandpa
 * 8:30 AM - Uncle Grandpa


 * 9:00 AM - Uncle Grandpa
 * 9:30 AM - Uncle Grandpa
 * 10:00 AM - Uncle Grandpa
 * 10:30 AM - Uncle Grandpa
 * 11:00 AM - Uncle Grandpa
 * 11:30 AM - Uncle Grandpa
 * 12:00 PM - Uncle Grandpa
 * 12:30 PM - Uncle Grandpa
 * 1:00 PM - Uncle Grandpa
 * 1:30 PM - Uncle Grandpa
 * 2:00 PM - Uncle Grandpa
 * 2:30 PM - Uncle Grandpa
 * 3:00 PM - Uncle Grandpa
 * 3:30 PM - Uncle Grandpa
 * 4:00 PM - Uncle Grandpa
 * 4:30 PM - Uncle Grandpa
 * 5:00 PM - Uncle Grandpa
 * 5:30 PM - Steven Universe - "Say Uncle" (NEW EPISODE)