[s3e18] Submersion ⏰

The episode features classic Rodney humor, including a running gag where he fails to remember the name of a subordinate scientist, Graydon. Submersion | SGCommand | Fandom

This guide covers , the 18th episode of Stargate Atlantis Season 3. In this atmospheric, "underwater-themed" thriller, the team discovers an Ancient drilling facility deep beneath the Lantean ocean, only to find they aren't alone. Episode Overview

The team explores a mobile geothermal drilling platform, hoping it can provide a new, nearly infinite power source for Atlantis.

The Queen activates a self-destruct sequence on her crashed cruiser. Because the facility sits on a very thin part of the planetary crust, the resulting explosion would trigger a volcanic cataclysm capable of destroying the platform and Atlantis itself.