Stargate SG-1 S05E17 backdrop

Stargate SG-1 (1997)

S05E17 Fail Safe

Apr 05, 2002 Season 5 Episode 17 Sci-Fi & Fantasy, Action & Adventure

Episode Overview

Earth faces a dire new threat that surpasses even the Goa'uld when the team discovers that an asteroid is headed straight for the planet.