[s3e18] Submersion Apr 2026

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

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. [S3E18] Submersion

Fans often note that Teyla is psychicly compromised or "taken over" in the 18th episode of every season up to this point. The team explores a mobile geothermal drilling platform,

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 hoping it can provide a new