The complete second season of the popular spin-off sci-fi series. A new Stargate team embarks on an incredible journey to the lost city of Atlantis. The team must battle to defeat a gruesome, powerful new enemy known as the Wraiths, quickly forge new alliances and simply survive. Their success will dictate whether they live long enough to gather the resources needed to return home from the intergalactic adventure of a lifetime. Episodes comprise: 'The Siege: Part III', 'The Intruder', 'Runner', 'Duet', 'Condemned', 'Trinity', 'Instinct', 'Conversion', 'Aurora', 'The Lost Boys', 'The Hive', 'Epiphany', 'Critical Mass', 'Grace Under Pressure', 'The Tower', 'The Long Goodbye', 'Coup D'etat', 'Michael', 'Inferno' and 'Allies'.