I always wondered how an actor from the real world would fare in one of those supernatural scenarios where an adult mind wakes up in their childhood body.
There was a sitcom called Do Over based on the premise.
Diana Serra Cary waking up in the diaper-clad toddler body of her Baby Peggy Montgomery child star self… isn’t there a TV trope called And I Must Scream or such?
It would also be amusing to see either of the Greenbush twins try to come to grips with being four year old Carrie Ingalls age again