Gremlins 2: The New Batch (1990)

A boy inadvertantly breaks 3 important rules concerning his new pet and unleashes a horde of malevolently mischievous monsters on a small town.

The discovery of a massive river of ectoplasm and a resurgence of spectral activity allows the staff of Ghostbusters to revive the business.

Three unemployed parapsychology professors set up shop as a unique ghost removal service.

A couple of recently deceased ghosts contract the services of a "bio-exorcist" in order to remove the obnoxious new owners of their house.

A selfish, cynical T.V. executive is haunted by three spirits bearing lessons on Christmas Eve.

A race of small, furry aliens make lunch out of the locals in a farming town.

When a corrupt businessman and the grotesque Penguin plot to take control of Gotham City, only Batman can stop them, while the Catwoman has her own agenda.

Earth is invaded by Martians with unbeatable weapons and a cruel sense of humor.

Planet Spaceball's President Skroob sends Lord Dark Helmet to steal Planet Druidia's abundant supply of air to replenish their own, and only Lone Starr can stop them.

The Dark Knight of Gotham City begins his war on crime with his first major enemy being the clownishly homicidal Joker.

Natives of a small isolated town defend themselves against strange underground creatures which are killing them one by one.

An alien orphan is sent from his dying planet to Earth, where he grows up to become his adoptive home's first and greatest superhero.