Beetlejuice Season 4 Episode 46 Forget Me Nuts Episode Title:Forget Me Nuts.Episode Description:Beetlejuice loses his memory after he gets hit on the head by a satellite, so Lydia takes him to see Dr. Zigmund Void. Dr. Void splits BJ's personality, and takes the clone and Lydia within BJ's body by way of a shrinking submersible. They have to find out what is causing BJ's inability to access his memory banks before time runs out and they return to normal size.