The Spiral Staircase
Robert Siodmak 1945 US (1st time; TV)
New England, turn of the century - a mute servant in a mansion is suspected to be the next victim of a serial killer whose victims are all in some way afflicted.
Superlative, atmospheric horror, full of recurring motifs, the best being the opening: a group of people watch a silent film while a voyeuristic murder takes place upstairs; throughout thereafter, the next victim is a silent mute in a house full of mirrors. Set entirely in one night and one setting, it doesn't really have anywhere to go; but the title is key, and only becomes significant in the final ten minutes or so - everything else is merely padding.

Stagecoach
John Ford 1939 US (1st time; TV)
A stagecoach with a prostitute, a pregnant woman, an outlaw, a gambler, a bank manager, a doctor and a reverand must travel through Monument Valley, with the imminent threat of Apaches.
One of those now famous classics which hurtle along without a moment to spare; it happens to be a number of things: a credible romance (the scenes with Wayne and Trevor are electric), a fully realised character ensemble, a sharp social commentary, a suspenseful action film and a biting comedy. Andy Devine steals the show as the bumbling stagecoach driver.