Back to the Track, Jack - S1-E20
Character mistake: When the race ends and the kids are cheering, you can hear Denise call Cliff "Bill" instead of "Dad".
The Cosby Show (1984)
1 character mistake in season 1 - chronological order
Audio problem: When Cliff asks Rudy what's her boyfriend's name, you can hear a man off-camera saying "Bud" before Rudy answers.
Vanessa Huxtable: Rudy, what are you gonna do in life with a fourth grade education?
Rudy: Teach third grade .
Trivia: Nearly every sweater Bill Cosby wore on this show was sent to him by a fan.
Autumn Gifts - S4-E7
Question: When Cliff is watching TV, the sound of voices singing "Open the door and let me in." come from the television. What song is this?
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Chosen answer: That is the song "Open the Door Richard."