Most horror movie continuity mistakes of 1978

1Jaws 2 pictureJaws 2 (1978)71
2Halloween pictureHalloween (1978)38
3Dawn of the Dead pictureDawn of the Dead (1978)27
4I Spit On Your Grave pictureI Spit On Your Grave (1978)12
5The Swarm pictureThe Swarm (1978)7
6The Fury pictureThe Fury (1978)3
7Piranha picturePiranha (1978)2
8KISS Meets the Phantom of the Park pictureKISS Meets the Phantom of the Park (1978)1
9Damien: Omen II pictureDamien: Omen II (1978)1
10Invasion of the Body Snatchers pictureInvasion of the Body Snatchers (1978)1