"They live" was a cult classic, and great fun if you were a Roddy Piper fan.
Other entertaining films =3
"The Great Dictator" (Charlie Chaplin, 1940)
https://archive.org/details/the-great-dictator-disc-01-title...
"Day the Earth Stood Still" (1951)
https://archive.org/details/day-the-earth-stood-still-1951
"Invasion Of The Body Snatchers" (1956)
https://archive.org/details/invasionofthebodysnatchers1956_2...
"The Man in the White Suit" (1951)
https://archive.org/details/the-man-in-the-white-suit_202105
"The Twilight Zone" (1959)
https://archive.org/details/the-twilight-zone-1959-s-01-e-00...
https://archive.org/details/the-twilight-zone-1959-s-01-e-00...
https://archive.org/details/the-twilight-zone-1959-s-03-e-15...
https://archive.org/details/the-twilight-zone-1959-s-03-e-15...