1977 • Science Fiction • Horror

A deadly shape-shifting alien infiltrates a country house occupied by two lesbians, and proceeds to study their behaviour for a sinister purpose.

Why matched: genres Science Fiction, Horror

1974 • Horror

A duo of bisexual female vampires prey on passing motorists, whom they seduce and murder in the English countryside.

Why matched: genres Horror

1969 • Mystery • Science Fiction • Horror

In Britain, bodies of NATO paratroopers are being snatched during routine jumps by a mysterious red-beam of otherworldly origin.

Why matched: genres Mystery, Science Fiction