Inner city kids from a poor neighborhood go up against the undefeated Beverly Hills Junior National Karate Team.

A widowed former reverend living with his children and brother on a Pennsylvania farm finds mysterious crop circles in their fields, which suggests something more frightening to come.

An astronaut gets infected with alien DNA during the first mission on Mars and runs amok on earth. Preston and Laura team up with a peaceful, genetically re-engineered Sil to track the monster down.