According to Robin Duke, she was the first person to impersonate Mr. T on screen, and by repeating his line "I pity the fool" from Rocky III (1982) various times during the sketch, she helped to create his most famous catchphrase.
The announcement of Don Pardo's return to the show and the one involving Jerry Lewis's Telethon were both originally planned for the previous week's show, but were cut because they ran out of time.
The "Father and Son" sketch uses the exact same set as "Mister Robinson's Neighborhood", with only a few different items of furniture added.