I've never watched a movie on YouTube, so don't know if this is full of advertisements or other interruptions, but I found that
Electric Dreams is posted there.
This is a bit older, but is another favorite because, being a former Navy machinist's mate, how often is it that an enlisted person has such a big role in a movie?
The Sand Pebbles I used to get confused because the author of the book is Richard McKenna and one of the stars of the movie is Richard Crenna.