Stargate Atlantis

Season 5, Episode 6

Episode Title: The Shrine

Air Date: 2008-08-21

Overview:

Dr. Rodney McKay is infected with the Pegasus equivalent of Alzheimer's disease, known as Second Childhood, a common illness among the elderly in the galaxy. The only way to save him is a shrine on Talus. The downside is that it has turned into a Wraith outpost.