“Lost” (9 p.m., ABC): The time-traveling, mind-boggling, question-raising season of

“Lost” (9 p.m., ABC): The time-traveling, mind-boggling, question-raising season of “Lost” continues with an episode that has Juliet revealing some startling news to Jin when Sun threatens to move to Locke’s camp. Meanwhile, Sayid and Desmond begin to get clued into the freighter crew’s mission when they meet the ship’s captain.