When an underwater volcanic eruption tears up the sea bed off the coast of Ireland, two treasure hunters make the discovery of a lifetime when they encounter a gigantic prehistoric…

Marine atomic tests cause changes in the ocean’s ecosystem resulting in dangerous blobs of radiation and the resurrection of a dormant dinosaur which threatens London.

A brilliant surgeon encases his dead son’s brain in a large robot body, with unintended results…

The controlled explosion of an atomic bomb in the Arctic Circle awakens a frozen dinosaur that will wreak havoc in New York City.