Most sci-fi movie revealing mistakes of 1978

1Superman pictureSuperman (1978)27
2The Swarm pictureThe Swarm (1978)5
3The Cat from Outer Space pictureThe Cat from Outer Space (1978)3
4Return from Witch Mountain pictureReturn from Witch Mountain (1978)2
5Invasion of the Body Snatchers pictureInvasion of the Body Snatchers (1978)1
6The Boys from Brazil pictureThe Boys from Brazil (1978)1
7Starcrash pictureStarcrash (1978)1