Lisa's First Word Bart was two during the flashback. Maggie's first word was provided by the Academy Award-winning actress Elizabeth Taylor, who would also voice herself in the season four finale, "Krusty Gets Kancelled". While promoting the episode, the producers initially did not reveal who the voice of Maggie would be, prompting speculation as to the identity of the actress. Although it was only one word, the voice came out "too sexy" and Taylor had to record the part numerous times before the producers were satisfied and thought it sounded like a baby. Several sources, including John Ortved's "The Simpsons" history article "Simpsons
The Simpsons success of "The Simpsons" and the lower production cost prompted US television networks to take chances on other adult animated series. This development led US producers to a 1990s boom in new, animated prime-time shows for adults, such as "South Park", "Family Guy", "King of the Hill", "Futurama" and "The Critic". For "Family Guy" creator Seth MacFarlane, ""The Simpsons" created an audience for prime-time animation that had not been there for many, many years ... As far as I'm concerned, they basically re-invented the wheel. They created what is in many ways—you could classify it as—a wholly new medium." "The