Uncle Grandpa is an American animated television series created by Peter Browngardt for Cartoon Network that premiered on the network on September 2, 2013. The series is based on Browngardt's animated short of the same name from The Cartoonstitute. Uncle Grandpa is also a spin-off of Secret Mountain Fort Awesome, which was in turn a spin-off of the Cartoonstitute short. It is produced by Cartoon Network Studios.