Warburton appeared on GSN’s "Poker Royale Celebrities vs. the Pros" tournament in 2005, winning the tournament and the $50,000 grand prize. On November 8, 2009, Warburton appeared as the wild west character Cal Johnson on "Seth & Alex’s (Almost Live) Comedy Show", hosted by Seth MacFarlane and Alex Borstein, on Fox. He was also cast as Sheriff Bronson Stone in the Cartoon Network series "Scooby-Doo! Mystery Incorporated". He appeared as Bowser in a video by CollegeHumor entitled "The Roast of Mario".