Stargate SG-1 Season 2 Episode 20
Overview
A young boy arrives through the Stargate, and warns of plot by invisible aliens to kill all of the human race in order to rob the Goa’uld of potential hosts.
Director: Peter DeLuise
Guest Star: Carmen Argenziano, Daniel Bacon, Jeff Gulka, Paul Wu, Peter DeLuise, Teryl Rothery