Plot hole: At the beginning of the episode, Theo, Vanessa and Rudy all act as if they forgot Clair's birthday. But Rudy already had a present for her mother's birthday, the pendant she ordered in the episode, "Cyranoise de Bergington".
The Cosby Show (1984)
1 plot hole in season 5
Continuity mistake: After Cliff talks to Peter, Theo is told to run to the neighbors across the street. However, he can be seen in the background of some shots when the twins do their game. As soon as the twins finish, Theo is shown coming back into the house.
Theo: You two are the most obnoxious people that I ever met.
Rudy: Thank you, your grumpiness.
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."