If current server doesn't work please try other servers below.
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 3 Episode 20
HD
Overview:
An unstoppable energy weapon leaves Atlantis under seige after Earth launches a preemptive attack against a very powerful enemy’s homeworld.