Beau is Afraid was the last one I recall. I think it was mostly the latter half of the movie where I started to get a bit confused and needed the ending explained to me.
What movies made you look up some kind of explanation afterwards? I feel like I have done it several times in the past for more surreal movies but can’t think of any other examples.
It can also be a TV show.
12 Angry Men. Gen X kid here, not my style, B&W a fair bit before my time, too old.
My god. Put it on for a lark before bedtime on a worknight. Far too tired, stayed up all the way through, suffered the next day. Worth it.
If OP had asked, “Name a movie you couldn’t put down?” or “What’s a movie that sucked you in and you had no choice to stop?” Yeah. That one.