Phantasm

If you want science fiction that respects its own premise, Phantasm is available in the US on Amazon Prime Video and fuboTV, and in the UK on Amazon Prime Video right now. It knows exactly what kind of film it is from the opening scene, and never loses that thread. With 789 viewer ratings on TMDB, this is not a title flying under the radar. A. Michael Baldwin's performance is the anchor the more ambitious scenes need. There is no real reason to keep putting it off — it is right there on Amazon Prime Video.

Phantasm arrived without much fanfare and built its audience the hard way — through word of mouth. The world-building is meticulous, but it is the characters who carry Phantasm through its more ambitious moments. A teenage boy and his friends face off against a mysterious grave robber, known only as the Tall Man, who employs a lethal arsenal of unearthly weapons. A. Michael Baldwin and Bill Thornbury lead a cast that makes the ambitious moments land. Phantasm came out in 1979. Phantasm resists the temptation to explain everything, trusting the audience to sit with ambiguity. It delivers reliably on what it promises, which is more than most of its competition manages.

Viewers burned by ambitious sci-fi that could not sustain its premise should give Phantasm a chance. If you have run out of similar titles to watch, this is a strong next pick. Short enough to finish in one sitting, substantial enough to feel satisfying. A. Michael Baldwin's performance is the anchor the more ambitious moments need. The world-building pays off in ways you will not anticipate on a first watch.