Fun Trivia: Did anyone know that That 70s Show was Filmed on the very same Sets (Soundstage) that Gilligan’s Island(1964-1967), The Mary Tyler Moore Show(1970-1977) and Roseanne(1988-1997)were once filmed on before them?

"The Wild Wild West" also used the Gilligan set as well as the sets from "Big Valley" and "Gunsmoke". I recently watched the series on DVD and recognized many of the sets. I checked online and found confirmation that the show was allowed to use other show's sets when needed.