Marc Eastman is the owner and operator of Are You Screening? and has been writing film reviews for over a decade, and several branches of the internet's film review world have seen his name. He is also a member of The Broadcast Film Critics Association and The Broadcast Television Journalists Association.
Some shows end up ruined by bad endings, and while The OA doesn't end any better than some of the lesser M. Night Shyamalan works, it dodges the bullet by being so engaging throughout. You may not love the end, but it doesn't spoil the ride.