The show premiered as a sneak peek on Cartoon Network on August 1 , 2000 , and had a formal premiere September 26 , 2000 . The show has been well received , and designers Robertryan Cory and Chris Tsirgiotis both won awards for " Outstanding Individual in Animation " at the 64th Primetime Emmy Awards ceremony . The '' Uncle Grandpa '' short that Browngardt had produced was eventually adapted as a full series of the same name , which he felt was a more lighthearted adaptation for children
64th Primetime Emmy Awards
64th Primetime Emmy Awards
Secret Mountain Fort Awesome