Shallow Water

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

After a fatal test shuts down their project, a disgraced team of scientists enters the criminal underworld to rebuild a forbidden space-bending engine that could rescue humanity or annihilate it entirely.

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.

A young bride in the midst of her wedding finds herself mysteriously transported to the TARDIS. The Doctor must discover what her connection is with the Empress of the Racnoss's plan to destroy the world.