Operations: K.N.O.C.K.
Written by
Mr. Warburton (writer and pencils and inks), Heroic Age (colors), Mike Sellers (letters)
Released 2007
1st of 6 single page graphic adventures published in Cartoon Network Action Pack! #10, April 2007 - 1 page
*Kids Nock On Cows Kisser
Knock on the barn door with the correct code or you'll catch a lot of bull.