The Fly (1986)
Twilight Zone: The Movie
Halloween III: The Season of the Witch
The Thing (1982)
Scanners
Alien
Phantasm
Invasion of the Body Snatchers (1978)
Invasion of the Body Snatchers (1956)
Frankenstein
Please add other Horror/Sci-Fi films to this list.
The Man From Planet X (1951)
Enemy From Space (1957)
Earth v. The Flying Saucers (1956)
-- all early examples of alien mind control
Dr. Jekyll and Mr. Hyde (1932)
Dr. Jekyll and Mr. Hyde (1941)
-- dangers of messing with pure evil
Also, observe the typical behavior of lads and lasses being raised in day care centers, and you may not think the kids of VOTD were all that bad.
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He maketh his sun to rise on the evil and on the good... St. Matthew 5:45
Also: The Stranger Within, starring Barbara Eden. Might be kind of hard to find as it was a 1974 TV movie.
"Congress shall make no law respecting an establishment of religion,"
~First Amendment
Who Can Kill A Child (1976) - Spanish horror classic. Killer children on an island.
Come Out & Play (2012) - remake of Who Can Kill A Child.
The Children (1980) - Children with black fingernails roast people on contact.
The Children (2008) - Killer children on the woods.
Home Movie (2008) - Found footage. Creepy twins.
And, on a lesser degree but still worth checking out:
Devil Times Five (1974) - Psychotic children escapees on a rampage.
Don't Go to Sleep (1982) - TV movie, sort of like "The Other", pretty creepy.
Enjoy
😀