Ep 8. The Seer

Dr. Rodney McKay discovers that an old friend is now a seer who can see the future. However, she is constantly tormented by the visions, causing her to become increasingly erratic and nearly insane. Meanwhile, the Wraith have discovered the location of Atlantis and are preparing to launch an all-out attack. The team must find a way to save their friend and decipher her visions in order to prevent the Wraith from destroying them all. With tensions running high and time running out, Atlantis faces its greatest threat yet.