EPISODE NUMBER - 517 DVD DISC - Season 5, Disc 4 ORIGINAL U.S. AIR DATE - 04.05.02 SYNDICATION AIR DATE - 02.10.03 WRITTEN BY - Joseph Mallozzi & Paul Mullie DIRECTED BY - Andy Mikita GUEST STARRING - Colin Cunningham (Major Davis), Gary Jones (Sgt. Davis)
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.
