Stargate Atlantis S4E2: Lifeline
- Aired: 2007-10-05
- Time: 21:00:00
- Runtime: 60 minutes
Overview
Lt. Col. Sheppard leads his team to the core of the Replicator home world on a high-risk mission to steal a ZPM, while Col. Samantha Carter, aboard the Apollo, races against time to locate the missing city of Atlantis.