Entertainment Talk

Documentaries about how films get made? Looking for recs

I'm a journalism student and I've gotten really into behind-the-scenes stuff. Not the 10 minute EPK featurettes on streaming, I mean proper docs about productions going wrong, or about editors, sound designers, stunt people etc.

Bonus points if it's about a film that almost didn't get finished. I love the chaos. What should I put on my list?