As the power of the island to both heal and destroy comes into sharp focus, the lines between good and evil are blurred and loyalties are challenged when the survivors of the crash become tangled within the lives of the Others.

Title from container. Bonus features: "The world of the others" : friends or foes? Secrets and mysteries revealed by cast and producers ; Lost flashbacks : all-new, never-before-seen flashbacks ; Lost on location: go behind the scenes with these all-new tales from season 3 ; The Lost book club : get hints to the significance of Lost's literary references ; Lost in a day : an exclusive look at 24 hours in the life of this ambitious series ; Deleted scenes ; Lost bloopers ; Audio commentaries.