I'd be wary of casting judgement on a film if I hadn't seen it all the way through. Although, a few have made me just switch them off and walk away. Cabin Fever springs to mind, and Cowboys and Aliens.
Originally Posted by CitizenSnips
It makes me wonder though, there might be a film that's kinda boring but whose ending is such a revelation that it rewards a second viewing and sheds new light on everything you see. Theoretically possible, but I don't think such a film exists atm.
Blair Witch. The ending of that made me want to go back and watch it again, despite finding it pretty dull for the most part.