From Stargate Wiki
|Original air date||
August 22, 2008
|Ghost in the Machine||Whispers|
|Atlantis Season 5|
McKay is infected with a disease which causes him to lose his memories. As he slowly loses his mind, the rest of the team search for a way to cure him, the only cure appears to be an old Ancient outpost which happens to be under the control of the Wraith.
Alzheimer's disease, Anesthetic, Antimatter, Atlantis Infirmary, Beer, Brain, Fruit cup, Glacier, Global warming, Ham, Ionizing radiation, Life Signs Detector, M44-5YN Research camp, MALP, Nichols, Pi, Power drill, Second Childhood, Shrine of Talus, Surgical drill, Wraith Hive ship
- This episode states McKay's formal title as "Head of Science and Research Departments" on Atlantis.
- Despite being credited in this episode, Dr. Radek Zelenka (David Nykl) has only a small non-speaking background role. He does however appear in a deleted scene where he is talking to McKay about the Ninth Chevron, believing it to send people across the univese.