A research team in Antarctica is hunted by a shape-shifting alien that assumes the appearance of its victims.
IN THE SMOG-CHOCKED DYSTOPIAN
Blade Runner Rick Deckard
is called out of retirement to terminate a quartet of replicants
who have escaped to Earth seeking their creator for a way to extend their short life spans.
A troubled child summons the courage to help a friendly alien escape Earth and return to his home world.
A young family are visited by ghosts in their home. At first the ghosts appear friendly, moving objects around the house to the amusement of everyone, then they turn nasty and start to terrorise the family before they "kidnap" the youngest daughter.
The Wrath of Khan (1982)
With the assistance of the Enterprise crew, Admiral Kirk must stop an old nemesis, Khan Noonien Singh, from using the life-generating Genesis Device as the ultimate weapon.