Uncle Grandpa: The High School Years Uncle Grandpa : Season 5 Episode 23
TV-PG Cartoon Network 15m
Aired: June 30th, 2017 @ 8:00 PM EST on Cartoon Network
Uncle Grandpa, Pizza Steve, Mr. Gus, Tiger, Frankenstein and Belly Bag are all in detention and while the principal is using the bathroom, they all try to find ways to fight boredom and slowly start to build a friendship.
