Lost/Recap/S06/E15 What They Died For

Season 6, Episode 16:

What They Died For
Ben and Widmore have their face-off. The Man in Black recruits another ally. The remaining Candidates trek across the Island to find Desmond, only to meet someone entirely unexpected. In the flash-sideways timeline, Desmond continues to bring the passengers of Oceanic 815 together, and Locke makes a decision.