The existence of mankind hangs in the balance as two warring factions of aliens do battle in Mark of the Astro Zombies. The film begins with an invasion of Earth by aliens who plan to turn human beings into zombies. They gather high-level government officials and attempt to get from them certain knowledge and information they will need. A kind race of aliens lands on Earth and decides to try and stop the evil ones from succeeding with their plans.

A school teacher and her wheelchair-bound sister purchase a house that seems to be haunted by a strange supernatural force. Father LeCleur and his son Raymond are called in to vanquish the demonic entities. But when the hell-spawn turn out to be much stronger than anyone thought, a bloody showdown ensues.

Five year old Timmy needs a heart transplant to live. A community struggles to help him survive.

Shortly after a chemical weapon explosion in the Nevada desert, two scientists find themselves confronting a sinister cover up, and a band of hostile survivors who are looking to escape the quarantined area known as Territory 8.