Best horror movie plot holes of 1977

Please vote as you browse around to help the best rise to the top.

The Deep (1977)

Plot hole: If the vacuum is strong enough to suck up a hand grenade, why isn't it sucking up the ampules?

The Crater Lake Monster (1977)

Plot hole: Despite no one actually seeing the landing site of the meteorite, the sheriff takes his boat and the divers to the exact location of the rock. They go down and immediately find it.

More The Crater Lake Monster plot holes

Exorcist II: The Heretic (1977)

Plot hole: Dr. Tuskin warns that if Regan were to remember the events of her possession it could be so traumatic for her it could lead to suicide, even though Regan's therapy seems to be based almost entirely on what she can remember about the events of her possession.

TonyPH

More Exorcist II: The Heretic plot holes

Join the mailing list

Separate from membership, this is to get updates about mistakes in recent releases. Addresses are not passed on to any third party, and are used solely for direct communication from this site. You can unsubscribe at any time.

Check out the mistake & trivia books, on Kindle and in paperback.