When does The Cosby Show return?

The Cosby Show is an American television sitcom starring Bill Cosby. The series aired from September 20, 1984, to April 30, 1992, on NBC. It focuses on an upper middle-class African-American family living in Brooklyn, New York. A spin-off, titled A Different World, aired from 1987 to 1993 for 144 episodes in six seasons. TV Guide listed the series as "TV's biggest hit in the 1980s"
The show focuses on the Huxtable family, an African-American upper middle middle class family, living in a brownstone in Brooklyn Heights, New York, at 10 Stigwood Avenue. Despite its comedic tone, the show sometimes involves serious subjects, like Theo's experiences dealing with dyslexia, inspired by Cosby's dyslexic son, Ennis.