Crazy old Professor Gangreen has developed a way to make tomatoes look human for a second invasion.

Attack of the Killer Tomatoes is a 1978 comedy film directed by John De Bello and starring David Miller. The film is a spoof of B-movies. Made on a budget of less than USD $100,000, the story involves tomatoes becoming sentient by unknown means and revolting against humanity.

A chemist experimenting with different formulas stumbles upon an ingredient that, when added to beer, makes it absolutely irresistible. Before he realizes it, an international spy is after him to try to get the formula for himself.

After being busted out of jail by his tomatoes, Professor Mortimer Gangrene begins a new plot to take over the world by inserting his hapless lackey Igor into the throne of the King of France.

Police assitant Boyle along with tomatologist Kennedi Johnson look into investigations about Killer Tomato attacks, and discover Gangrene plans to brainwash people via TV talk shows to take over the world! Will Gangrene be stopped? Will Johnson become part of a Bacon, Lettuce and Human sandwich?