The "Uncle Grandpa" pilot was created by former "Chowder" storyboard artist Peter Browngardt in 2008, but aired online in 2009 on Cartoon Network Video as part of "The Cartoonstitute".
The "Uncle Grandpa" pilot was created by former "Chowder" storyboard artist Peter Browngardt, who first pitched the idea to Cartoon Network in 2006. The pilot was produced in 2008, but aired online in 2009 on Cartoon Network Video as part of "The Cartoonstitute".