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Season 1 - Sep. 22, 2004
Season 2 - Sep. 21, 2005
Season 3 - Oct. 04, 2006
Season 4 - Jan. 31, 2008
Season 5 - Jan. 21, 2009
Season 6 - Feb. 02, 2010

Lost Season 3 Episode 20
HD
Overview:
Ben unwillingly divulges information to Locke about the island, taking him on a journey to various locations including strange monuments and the mysterious Jacob. Back at the beach, Juliet’s secret is revealed. Flashbacks will show us the origins of DHARMA and the history of the island, including ‘the purge.’