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.
Sheppard and McKay use 10,000-year-old Ancient diving suits to reach the cruiser. Teyla uses a mental "counter-bluff" to trick the Queen into deactivating the self-destruct codes, allowing Sheppard and McKay to eliminate the Queen and save the city. Fun Facts & Trivia
The team explores a mobile geothermal drilling platform, hoping it can provide a new, nearly infinite power source for Atlantis.
In the Stargate Atlantis: Legacy novels, this specific Queen is identified as Cold Amber and revealed to be the original "Queen Death".