When Al first gets into bed he throws a pillow from Peggy's side off the bed. When he wakes up after his fantasy dream, there are two pillows back on the bed.
Al's bedroom has blue wallpaper with a floral pattern. However, in the shot in which Al jumps into bed and the camera is pointed towards the ceiling, the wallpaper changes to blue stripes.
Kelly claims she hasn't worn pantyhose since she was seven, but she is wearing them in the opening credits.