Episode Name: S.O.S.
Episode Overview: Rose is surprisingly and vehemently opposed to Bernard's plan to create an S.O.S. signal; romantic sparks are rekindled between Jack and Kate when they trek into the jungle to propose a "trade" with "The Others"; and Locke begins to question his faith in the island.
Episode Number: 19
Episode Season: 2
Episode First Aired: 2006-04-12