Continuity mistake: When Cliff returns from the store for about the fourth time and the eggs and tomatoes fall out of wet bag onto the floor why aren't the eggs in a carton? The bottom of the bag drops out, so the carton can't be in the bag.
Rudy's Walk on the Wild Side - S6-E18
Character mistake: At the beginning, when Vanessa is begging for money from her dad to buy a CD, Cliff says she can clean the garage. But the Huxtables live in a brownstone townhouse and brownstones do not have garages.
Denise Kendall: Babysitter - S6-E6
Continuity mistake: In the scene where Bob gives Elvin the apple cider and another jar, when you first see the two jars, the jar in his left hand has a few inches of foam on the top. Bob sets the jars on the table, and the foam is gone. When the shot returns to the table the foam is back again.
Continuity mistake: A root beer comes down the tube and Theo catches it. In the next shot Cliff now has the root beer. Also there are 2 root beers sitting on the table, then suddenly Theo and his friend are holding them.
Denise: The Saga Continues - S6-E1
Continuity mistake: Cliff puts his tool belt on the couch behind Denise - there is a hammer that changes position between shots.
Denise Kendall: Babysitter - S6-E6
Revealing mistake: When the power came back on and everything started running at once, the food processor was still running after the lid blew off of it.
Other mistake: When Denise and Rebecca are in the kitchen, Denise is playing a tape recording of the rap session from Uncle Wilton when they were doing the math rap. However, when Denise was attending the class, she never had a tape recorder, so there is no way she could have recorded anything.
I'm `In' With the `In' Crowd - S6-E3
Continuity mistake: When Vanessa calls home and Denise picks up the phone, there is a cord attached to it. At first it's behind Denise's hand, then it's in front.
Chosen answer: That is the song "Open the Door Richard."