"Echoes" is an episode from Season 3 of the science fiction television series Stargate Atlantis.
Teyla begins to see repeat visions of Ancients on Atlantis. First she is assumed to be under stress, but after a while other people on board begin to see the same visions.
Meanwhile, McKay and Sheppard see a sea creature named "Sam" (after Samantha Carter) by McKay, similar to that which led Sheppard and Zelenka to rescue McKay in "Grace Under Pre...
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"Echoes" is an episode from Season 3 of the science fiction television series Stargate Atlantis.
Teyla begins to see repeat visions of Ancients on Atlantis. First she is assumed to be under stress, but after a while other people on board begin to see the same visions.
Meanwhile, McKay and Sheppard see a sea creature named "Sam" (after Samantha Carter) by McKay, similar to that which led Sheppard and Zelenka to rescue McKay in "Grace Under Pressure" and decides to take a Puddle Jumper to investigate underwater. During a close encounter with the sea creatures, Sheppard and McKay develop intense headaches and McKay falls unconscious.
In the infirmary, Zelenka explains that the sea creatures emit a low frequency pulse and an electromagnetic field which, in combination, are very dangerous to humans. Very soon, most of the city is affected by this. Many victims are transported to the Daedalus, now orbitting the planet, but there are too many in the city to all be removed.
After...
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