LOST - "...And found" - Michael sets off into the jungle by himself determined to find Walt, but discovers that he is not alone. Meanwhile, Sawyer and Jin are ordered by their captors to take them to their camp, and Sun frantically searches for her missing wedding ring, on "Lost," WEDNESDAY, OCTOBER 19 (9:00-10:00 p.m., ET), on the ABC Television Network. (ABC/MARIO PEREZ) DANIEL DAE KIM, YUNJIN KIM