Answer
The sitcom that earned Bebe Neuwirth two Emmy Awards is Cheers, a renowned American comedy series that aired from 1982 to 1993. Neuwirth's portrayal of the witty and sarcastic Dr. Lilith Sternin-Crane, a psychiatrist and the wife of Frasier Crane, brought her widespread recognition and critical acclaim. Her exceptional performance as Lilith earned her two consecutive Emmy Awards for Outstanding Supporting Actress in a Comedy Series in 1990 and 1991.