time 22 minutes (not including commercials) Production company(s) Nelvana Limited , Fresh TV Inc. The Curiosity Company 20th Century Fox Television Production Broadcast Original channel FOX / Adult Swim (USA) Teletoon (Canada) First shown {{{first_run}}} Original run April 4 , 2004 - February 11 , 2010 (U.S.) November 1 , 2004