Premise: Sabrina Le Beauf (born March 21, 1958) is an American actress best known for her portrayal of Sondra Huxtable on the NBC situation comedy "The Cosby Show". She has voiced the character Norma Bindlebeep on the Nick at Nite animated series "Fatherhood", a show based on Bill Cosby's book of the same name.
Hypothesis: Norma Bindlebeep had one episode where she pretended to be Sondra Huxtable.