

People are dying mysteriously and gruesomely, and nobody has a clue what the cause is. Only health worker Mike Brady has a possible solution, but his theory of killer slugs is laughed at by the authorities. Only when the body count begins to rise and a slug expert from England begins snooping around does it begin to look like Mike had the right idea after all.
Practical Effects
Gloriously disgusting slug puppets that squish with satisfying squelches
Acting
Mike Brady delivers every line like he's solving world hunger

Director
Juan Piquer Simón
Trivia, insights & behind the scenes
Director Juan Piquer Simón also made 'Pieces' (1982), another legendary bad horror film, cementing his reputation as Spain's gift to cult cinema.
The infamous 'exploding head in the greenhouse' scene used a combination of latex heads and raw hamburger meat for maximum gross-out effect.