Classic TV - One Step Beyond - "Return of Mitchell Champion" (1959)

A man visiting a small Mediterranean island is stunned when all of the island's residents recognize him and insist that he is an island resident who has returned after many years, even though he knows he has never been there before.
https://www.imdb.com/title/tt0507839/?ref_=fn_al_tt_1

This video is in the Public Domain.