Fox's Married... with Children was Faustino's big break, as he played Bud, the younger of the two Bundy children. He played the character from its debut on April 5, 1987, until its final episode broadcast on June 9, 1997. Faustino appeared in 259 episodes. While filming the sitcom throughout the 1990s, Faustino continued to make guest appearances in many sitcoms and dramas. He reprised the role of Bud Bundy in such series as Parker Lewis Can't Lose and Top of the Heap. Faustino also appeared on Burke's Law, MADtv and The New Addams Family.