Solaris | SCIENCE FICTION | FULL MOVIE | directed by Tarkovsky

A psychologist is sent to a run-down station orbiting the ocean-planet Solaris, where the surviving crew have stopped explaining themselves and his dead wife is waiting for him. Andrei Tarkovsky uses the premise to ask what memory and guilt become when they are given a body.

Why it's free: Free on Mosfilm's own channel; Mosfilm holds the rights to the Soviet-era library it publishes.