https://www.freeblockbuster.org/

Hooray for physical media! There are enough super common DVDs out there to keep these stocked for a while.

Edit: @negativenull@piefed.world has a great point. DVDs don’t take temperature changes well. Maybe movies are better served digitally in this case. What if we made a Khan Academy on a Raspberry Pi with added movies that we, um, have permission to distribute over Wi-Fi.