Season 5 of the sci-fi series sweeping the world! Episodes comprise: Enemies, Threshold, Ascension, The Fifth Man, Red Sky, Rite of Passage, Beast of Burden, The Tomb, Between Two Fires, 2001, Desperate Measures, Wormhole X-Treme!, Proving Ground, 48 Hours, Summit, Last Stand, Fail Safe, The Warrior, Menace, The Sentinel, Meridian, Revelations.