Season 4 Episode 18: The Light

Watch Stargate SG-1 season 4 episode 18 tv series online free
Release date: 2001-01-26

A member of another SG team, returning from an alien planet, commits suicide. The rest of his team begins to go into comas, and Daniel, who also visited the planet, attempts suicide. SG-1 must determine the cause before it is too late.