Continuity mistake: When Theo puts the phone down, the handset cord is next to the phone. The next shot it is now under the phone, when the phone rings it is now next to the phone again.
The Cosby Show (1984)
1 mistake in A Touch of Wonder
Cliff: Clair, we don't even know if the joint is Theo's and you already got the boy going to Turkey.
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?
Chosen answer: That is the song "Open the Door Richard."