04-02-15: AlbertporterMy sentiments exactly. Also competing for the top spot on my list is "2001: A Space Odyssey." Its slow pace would certainly be a turn-off for some, but it works for me!
Im a huge fan of Forbidden Planet. Its in good company with only a couple of other Sci Fi movies that qualify as best ever (on my list).
Two very different examples of the sci-fi genre, but both great.
Best regards,
-- Al