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 (franchise) most of the first three seasons. In 1990, Bart quickly became one of the most popular characters on television in what was termed "Bartmania". On February 9, 1997, "The Simpsons" surpassed "The Flintstones" with the episode "The Itchy & Scratchy & Poochie Show" as the longest-running prime-time animated series in the United States. In 2004, "The Simpsons" replaced "The Adventures of Ozzie and Harriet" (1952 to 1966) as the longest-running sitcom (animated or live action) in the United States. In May 2007, "The Simpsons" reached their 400th episode at the end of the eighteenth season. Hallmarks of the show include