Science Fiction:
Metropolis – already mentioned, but I wanted to suggest that you get the most recent restoration. It’s something like 98% complete now. If you compare it against earlier versions (like the Giorgiou Moroder version, an earlier restoration with a rock score) you can see how much improved it is when you can see the whole tyhing.
The LOst World (1925) The silent version of The LOst World has also profited by restoration to almost a complete version. Pretty good, considering how this film was so butchered that it was virtually lost until recently. There are actually TWO restored versions. One by the Eastman House museum (included as an “extra” on the DVD for the vastly inferior 1960 remake) and a fan-made version (which I prefer) marketed on its own. The film had the blessing and cooperation of Arthur Conan Doyle himself (who appeared in a now-lost prologue). With effects by Willis O’Brien and much of the crew that would go on to make King Kong, Son of Kong, and Mighty Joe Young. Some of the animation is hopelesslyjerky and amateurish, but some of it is superb, with multiple effects elements blended seamlessly together in a style they would later perfect for Kong. It also features only the second Monster-On-A-Rampage images (the first being Winsor McCay’s Dreams of the Rarebit Fiend cartoon “The Giant Pet”), and the first in a feature film. This was so new a trope that it wasn’t yet a cliche.
Robinson Crusoe on Mars – 1964 film that featured a Mars that was still at least defensible in those days, but title star Paul Mantee still has to cope with his oxygen and water running out. Directed by Byron Haskin, who did lots of other good science fiction. With a very brief part by a pre-Batman Adam West. This is what survival by yourself on Mars looked like decades before Andy Weir’s The Martian.
Forbidden Planet, 2001: A Space Odyssey, and The Day the Earth Stood Still*, of course.
It! The Terror from Beyond Space – forget the stupid title, this one’s a classic from the 1950s. Jerome Bixby’s story of a monster who sneaks aboard a space ship and hides out while he picks off the crew was shamelessly ripped off by Ridley Scott’s Alien, but it works a lot better in the smaller, more claustrophobic cyliundrical ship[ as the creature basically takes over the ship from the base upwards, with everyone croding into the command module at the top. Paul Blaisdell’s monster suit, if not up to H.R. Giger’s “biomechanic” design, is still his best work. You’ll cringe at the 1950s sexism (the women have to make and serve the coffee), the smoking (!) aboard ship, and the fact that they have both guns [iu]and grenades* on a spaceship (so does Robinson Crusoe on Mars, by the way. Not to mention Heinlein’s book Rocket Ship Galileo. Must have been the era), but it’s an interesting time capsule. Highly recommended. (Bixby went on to write the screenplay for Fantastic Voyage, three episodes of the original Star Trek, and lots of other stuff. His short story “It’s a GoodLife” got turned into one of the creepiest and best-remembered original Twilight Zone episodes)
The Last Mimzy – They prettied it up and gave it a happy ending, but there’s not enough stuff out there based on the works of Henry Kuttner and Catherine L. Moore. This one’s based on their 1943 short story Mimsy were the Borogoves. And we need a happy ending in this day. Not many people saw this when it was released in 2007
Timescape (AKA Grand Tour: Disaster in Time is a 1992 Time TRavel story alsdo based on a work by Henry Kuttner and Catherine L. Moore. Again, they very freelt adapted it and gave it an anomalous happy ending. But, as I say, it’s worth a watch, and we need the happy endings right now.
I don’t really recommend it, but you could, if you can find a copy, watch The Twonky (1953). It, too, is adapted from a story by Henry Kuttner and Catherine L. Moore. As before, it’s a very free adaptation in which – you can see a trend here – they gave it a happy ending. Starring Hans Conreid, one of those actors who you know by sight but maybe not by name.
Day of the Triffids – not the 1962 movie you probably know, or the 2009 BBD version, but the one made in 1981 for BBC and run on PBS in the US. It’s very well-done and faithful to the novel (which the others are not). DEpressing, especially when everyone is Sheltering In Place right now, but very well done.
The Quatermass series – at least the first three TV serials (only part of the first one is available) and the original movies made from them in the 1950s and 1960s. The serials were The Quatermass Xperiment, Quatermass 2, and Quatermass and the Pit. In Britain the movies had the same titles, but in the US they became The creeping Unknown, Enemy from Space, and Five Million Years to Earth (not to be confused with Harryhausen’s Fifty Million Miles to Earth, which was, I suspect, the distributor’s intention). Britisg rocket scientist Bernard Quatermass vies against alien entities that invariably “take over” people and want to take over the earth. They are frequently disgustingly goopy, but I have a long-standing theory that the reason the British don’t like them is less because of their hygiene than becauise they’re “not British”. I think the reason they like Doctor Who is that he’s an alien who, illogically enough, IS British. The original Quatermass Xp0eriment serial actually has a very different ending from that of the movie, although both have the climax in WQestminster Abbey. All three were written by Nigel Kneale, a British author of many SF teleplays and screenplays (the 1950s 1984, Harryhausen’s First Men in the Moon) who hated science fiction fans.