 Bell worked as a character layout artist for thirteen episodes of "The Simpsons" between 1990 and 1992, including "Bart's Friend Falls in Love", "Lisa's Pony", and "Bart the Daredevil".Before this, he worked as a cleanup artist on such episodes as "Krusty Gets Busted" and "Some Enchanted Evening".Bell received his first directing gig for the television show "Rugrats", contributing to an unspecified number of episodes.