Vice Versa (1988)

IMDB
Genre : Comedy, Fantasy
TRAILER
Director : Brian Gilbert
Stars : Judge Reinhold, Fred Savage, Corinne Bohrer, Swoosie Kurtz
Plot : Divorced executive Marshall and his 11-year-old son Charlie casually touch a magical Tibetan skull, releasing a mysterious power that transfers Marshall's mind to Charlie's body and vice versa. Their problems have just begun.