Aliens set up an invisible barrier to keep humans out

This harrowing half-hour archive series revisits some of the most brutal killers in modern history, reviewing news footage and the words of the killers themselves to see which terrifying traits each killer exhibited. What are the signs...of evil?

Where do you find love? Sometimes all you need is a sign.

In a massive, mysterious chamber, fifty strangers awaken to find themselves trapped with no memory of how they got there. Organized in an inward-facing circle and unable to move, they quickly learn that every two minutes, one of them must die…executed by a strange device in the center of the room.

When all the earth's fire begins to go out, Hercules and Deianeira must go in search for fire to stop the world from cold. "Hercules and the Circle of Fire" is the third movie-length pilot episode of the television series "Hercules: The Legendary Journeys".

An alien race on Earth tries to co-exist with humans, despite the segregationist restrictions that have been placed on them.

Aliens, contacting scientist Adam Penner, inform him that they have been on the moon for twenty thousand years, undetected due to their invisibility, and have now decided to annihilate humanity unless all the nations of earth surrender immediately. Sequestered in an impregnable laboratory trying to find the aliens' weakness, Penner, his daughter, a no-nonsense army major and a squeamish scientist are attacked from outside by the aliens, who have occupied the bodies of the recently deceased.

A group of extra-terrestrials determined to take over the earth and make it their new home, station themselves in a canyon and set about their task.