King of the Hill: Season 4 Episode 20: Meet the Propaniacs
Starring: Mike Judge, Kathy Najimy, Pamela Adlon, Brittany Murphy, Johnny Hardwick, Brittany Murphy, David Herman, Toby Huss
Length: 23 minutes
On Air Date: 16 Apr 2000
King of the Hill: S04E20 Description: Bobby forms a comedy group called The Propaniacs, who goes around to several Strickland Propane locations with their propane-centered skits.