Other: When Michael J. Fox is in the pool with Auntie Vera, she pulls off his shorts, however you can clearly see the flesh-coloured pants he has on underneath.
Continuity: In the scene in the empty office, as the camera angle changes, Fox's hair gets noticeably longer and darker.
Continuity: When Michael's character gets on the escalator, his tie length is below his belt, as he gets off the escalator, it's way above his belt.
Continuity: When Michael J. Fox copies his face to give to his "Uncle", he clearly has one hand outside the copy machine, but when he hands over the copy, both hands are on the image.
Continuity: When M.J. Fox enters the empty office and sits behind the desk, the phone rings, and he answers a grey phone. After a few cutaways, the phone has become black.