Howard Hesseman left the series at the end of season 4. Billy Connolly took over the lead for the fifth and final season. |
Joher Coleman wore makeup to make his skin appear darker to play the Indian-American Jawaharlal. Husain is of Pakistani and European heritage. |
Jonathan Ke Quan was added to the cast in the fifth season because the producers realized that it was unusual that there were no Asian-Americans in a class for gifted students. |
Jay Thomas was one of the comedians hired to "warm-up" the studio audience. |
The first American sitcom to film in Russia. |