Most movie plot holes of 1981

1For Your Eyes Only pictureFor Your Eyes Only (1981)4
2Friday the 13th Part 2 pictureFriday the 13th Part 2 (1981)3
3Halloween II pictureHalloween II (1981)2
4Raiders of the Lost Ark pictureRaiders of the Lost Ark (1981)2
5Escape to Victory pictureEscape to Victory (1981)2
6An American Werewolf in London pictureAn American Werewolf in London (1981)1
7The Cannonball Run pictureThe Cannonball Run (1981)1
8The Evil Dead pictureThe Evil Dead (1981)1
9Das Boot pictureDas Boot (1981)1
10Body Heat pictureBody Heat (1981)1
11Zombie Lake pictureZombie Lake (1981)1
12Göta Kanal (1981)1