LOST - "The Moth" - Charlie begins a painful journey of withdrawal from drugs, surprisingly aided by Locke, whose true motive for helping Charlie is a mystery. Meanwhile, survivors struggle to find and free Jack when he's buried alive in a cave collapse, and someone might be secretly thwarting Sayid, Kate, and Boone when they enact a plan to find the source of the French transmission, on "Lost," WEDNESDAY, NOVEMBER 3 (8:00-9:00 p.m., ET), on the ABC Television Network. (ABC/MARIO PEREZ) EVANGELINE LILLY, MATTHEW FOX