Stargate SG-1 Season 5 Episode 17
Overview
Earth finds itself threatened by something even larger than the Goa’uld when the team learns that an asteroid is on a collision course with the planet.
Director: Andy Mikita
Guest Star: Brian Jensen, Colin Cunningham, David Bloom, Dion Luther, Gary Jones, Greg Anderson, Kirsten Alter, Michael Teigen, Teryl Rothery