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Season 1 - Jul. 15, 2004
Season 2 - Jul. 15, 2005
Season 3 - Jul. 14, 2006
Season 4 - Sep. 28, 2007
Season 5 - Jul. 11, 2008

Stargate Atlantis Season 2 Episode 13
HD
Overview:
When an operative of the Trust plants a bomb in Atlantis, the team must find a spy within their own ranks before the Wraith arrive and discover the city.