Gaslight (1940 Full Movie) — Literally the Origin of the Super-Used Term "Gaslighting"! | The 1940 British version is more streamlined and suspenseful than the American MGM version of 1944, as it sticks closely to Patrick Hamilton's play.
Gaslight (1944 Full Movie) — Literally the Origin of the Super-Used Term "Gaslighting"! | The 1944 American version has more back-story and padding while the 1940 British version sticks closely to Patrick Hamilton's more suspenseful play.