One of the only TV programs that interrupted the coverage of the Los Angeles Riots on the local NBC station, as this was the show's finale. At the end of the show was a plea from Bill Cosby to stop the violence on the streets.
The last show of the series.
Cliff rang the doorbell and danced Claire off the stage to the song "If I Were a Bell" (from "Guys & Dolls"). This scene was improvised. The doorbell was a running joke throughout the final season.