Let’s start here. Internet Archive
Yes ladies and gentlemen, you can download full length movies for free. This is especially helpful for my “over 32 years old” audience who loves old movies. How it works is that once a movie goes into the public domain, Internet Archive converts it to a digital format. It’s cool for more than just movie buffs too. There is all sorts of awesome stuff available. Totally legal. Totally legit.
At the very least, check out these 4 episodes of The Three Stooges.