Keyword Alien Plant Life

A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.

Scientists and US Air Force officials fend off a blood-thirsty alien organism while investigating at a remote arctic outpost.

After an unusual meteor shower leaves most of the human population blind, a merchant navy officer must find a way to conquer tall, aggressive plants which are feeding on people and animals.

The Outer Limits is an anthology tv series of self-contained sci-fi-horror stories, sometimes with a plot twist at the end.