Other mistake: The outside shots show that the house is in the middle of a row of houses, connected to other houses on both sides. But in the living room, behind the stairs, is a window looking outside. There couldn't possibly be a window there as that is where the house shares a wall with the house next door.
The Cosby Show (1984)
1 other mistake in show generally - chronological order
Continuity mistake: In this episode, Rudy is riding her bike around the house which is right on the corner of a block. Since when is their house on the corner?
Vanessa Huxtable: Rudy, what are you gonna do in life with a fourth grade education?
Rudy: Teach third grade .
Trivia: Carl Anthony Payne II (Cockroach) was fired from 'The Cosby Show' by Bill Cosby because he refused to get a haircut.
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?
Chosen answer: That is the song "Open the Door Richard."