Stargate Atlantis: 2x13
Critical Mass
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.
2 - 1The Siege (3) Jul. 15, 2005
2 - 2The Intruder Jul. 22, 2005
2 - 3Runner Jul. 29, 2005
2 - 4Duet Aug. 05, 2005
2 - 5Condemned Aug. 12, 2005
2 - 6Trinity Aug. 19, 2005
2 - 7Instinct Aug. 26, 2005
2 - 8Conversion Sep. 09, 2005
2 - 9Aurora Sep. 23, 2005
2 - 10The Lost Boys (1) Sep. 23, 2005
2 - 11The Hive (2) Nov. 16, 2005
2 - 12Epiphany Nov. 28, 2005
2 - 13Critical Mass Dec. 05, 2005
2 - 14Grace Under Pressure Dec. 10, 2005
2 - 15The Tower Dec. 19, 2005
2 - 16The Long Goodbye Jan. 02, 2006
2 - 17Coup D'etat Jan. 09, 2006
2 - 18Michael Jan. 16, 2006
2 - 19Inferno Jan. 23, 2006
2 - 20Allies (1) Jan. 30, 2006