Alterazione genetica was released in the year 1988。Alterazione genetica is also called as Watchers, Watchers gnadenlos gejagt, Watchers - O Limite do Terror, Proyecto: terror, Obserwatorzy, Limite do Terror。

Based on a novel by Dean Koontz. A boy takes in a stray dog, later finding out that its an ultra-intelligent runaway from a genetic research lab. Unknow to him, the dog is being stalked by another escaped creature thats not quite so friendly.

Alterazione genetica actors and actresses include Corey Haim, Jason Priestley, Michael Ironside。