Continuity mistake: In the beginning of the episode Brenda takes her mom's coat to drama class and is wearing a blue shirt and white biker shorts. That night the parents go to the beach club. The next morning before school they show Brenda holding the coat and again in the blue shirt and white shorts she wore the "day before."
Continuity mistake: Brenda goes to see a counselor about the robbery. She asks what to do about the nightmares. The counselor asks about her happiest moment. Brenda starts talking about her horse she had as a child. She starts out saying his name was Sebastian but by the end of her story she says his name is Sylvester.
Answer: There was no explanation. Usually, when a show doesn't know if it's going to be picked up or not, they will use stock footage until they can spend the money on a real location.
bucade