[s3e18] Submersion Instant

An ancient Wraith Queen (portrayed by Andee Frizzell) has been hibernating in a nearby crashed cruiser for 10,000 years. She survived by feeding on her own crew after her ship was downed during the original siege of 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. [S3E18] Submersion

In the Stargate Atlantis: Legacy novels, this specific Queen is identified as Cold Amber and revealed to be the original "Queen Death". An ancient Wraith Queen (portrayed by Andee Frizzell)

The team explores a mobile geothermal drilling platform, hoping it can provide a new, nearly infinite power source for Atlantis. Because the facility sits on a very thin

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

Teyla senses the Wraith presence immediately upon arrival. The Queen eventually takes control of Teyla's mind to use her as a puppet to facilitate her escape.

Fans often note that Teyla is psychicly compromised or "taken over" in the 18th episode of every season up to this point.