Dilworth's works have appeared on PBS, CBS, Showtime, HBO, Fox, ABC, NBC, Arte, CBC Television, YTV, Teletoon, BBC Two, Cartoon Network, Nickelodeon, Comedy Central and MTV, among others.

Cartoon Network later commissioned Dilworth to turn the short into a series, which eventually became Courage the Cowardly Dog.

[4]: 15m  Dilworth created the series of nine animated shorts for Sesame Street based on his independent film, "Noodles & Nedd".

He was animation consultant of Gumby: The Movie, and was also one of the directors of Drew Carey's Green Screen Show.

Dilworth appears in pixilation sequences in the 2013 animated short Subconscious Password by Chris Landreth.