A brilliant film that helped define a genre

It isn't all that great, actually. Really cheesy and very predicable of how certain scenes are gonna turn play out. However, I guess that's the charm of it all, because I would consider this one of my guilty pleasures.

As somebody who had not heard any of this before, it became a curious phenomenon to sit and watch a film and slowly have the realities begin to click into place.

This is one of the few movies I've ever seen where the whole audience broke into spontaneous, loud applause a third of the way in.