Caltiki, the Immortal Monster

The giant monster Volcanodon reappears after many years

Dr. Diane Landry (Cassandra Schomer) creates an alien-human hybrid to fight off a malicious group of invaders from space.

A team of space marines known as the Rapid Response Tactical Squad, led by Sarge, is sent to a science facility on Mars after somebody reports a security breach. There, they learn that the alert came after a test subject, a mass murderer purposefully injected with alien DNA, broke free and began killing people. Dr. Grimm, who is related to team member Reaper, informs them all that the chromosome can mutate humans into monsters -- and is highly infectious.

A drive-in favorite, this sci-fi classic follows teenagers Steve and his best girl, Jane, as they try to protect their hometown from a gelatinous alien life form that engulfs everything it touches. The first to discover the substance and live to tell about it, Steve and Jane witness the blob destroying an elderly man, then it growing to a terrifying size. But no one else has seen the goo, and policeman Dave refuses to believe the kids without proof.

On a desolate country highway, two homeward-bound teens are nearly run off the road by a maniac in a beat-up truck, and later spot him shoving what appears to be a body down a sewer pipe.