The shot of people leaving the mall parking had a tan car in front of Debbie's station wagon with a car in front of it. When they cut to Ruth and Debbie talking in the car, it clearly looked like they moved up quite a few cars, but on cut back to the line, the tan car was just moving up to exit.
At the mall a big sign for Blockbuster Video can be seen. The show takes place in 1985, which is the year Blockbuster opened for business, but their only locations at that time were in Texas and they didn't start expanding to other states until a few years later.