LOST - "The Substitute" - Locke goes in search of help to further his cause, on "Lost," TUESDAY, FEBRUARY 16 (9:00-10:00 p.m., ET) on the ABC Television Network. (ABC/MARIO PEREZ) MICHAEL EMERSON, YUNJIN KIM, ZULEIKHA ROBINSON
In This Photo: Ben Linus, Sun-Hwa Kwon
