Fail Safe


 * Series: Stargate: SG-1
 * Episode: 5.17
 * Original air date: April 5th 2002

Summary
Earth is threatened by something much larger than the Gou'ald when the Stargate Command, with the help from a civilian astronomer learns that an asteroid is on a collision course with the planet.

Production

 * Written by: Joseph Mallozzi and Paul Mullie
 * Directed by: Andy Mikita

Guest stars

 * Colin Cunningham as Major Paul Davis
 * Gary Jones as Sergeant Walter Harriman