Last and First Men. The monologue is spoken so slowly that I think it would pass at 1.25x. Nothing in the visuals would give it away either.
2001: A Space Odyssey.
Blue Danube would probably throw me.
Yeah but IIRC it’s like… 15-20 mins in? Doesn’t it start with the prehistoric apes, the arrival of the obelisk and how the obelisk advances their skills and they discover tools?
Crank
Koyaanisqatsi, probably never notice
2001?
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Blues Brothers. For a musical comedy that movie starts slooow.
WALL-E
I’d imagine pretty much anything more than 30 years old without popular music. I just rewatched They Live and I doubt I’d notice if it was at 1.25x.
Are you looking for movies to speed watch?
An 80s workout video ala this line from ghost busters. https://youtu.be/pcGSxH4thoA
That one from Tarkovsky in the space could probably be played at 2x as long as there is no dialogue.
Solaris. Yes this is a good answer.
The Fountain.
This the short experiment film Wavelength 1967. But more recent Skinamarink 2022 that was largely influenced by Wavelength
