Watch Lost Season 3 Episode 21 - Greatest Hits

Episode: 3×21 (Season 3 Episode 21)
Name: Greatest Hits
Originally Aired: May. 16, 2007

Plot: While Jack devises a plan to do away with “The Others” once and for all, Sayid uncovers a flaw in “The Others’” system that could lead to everyone’s rescue. But it requires Charlie to take on a dangerous task that may make Desmond’s premonition come true.A Charlie-centric episode.Source: ABC