The castaways on the raft are surprised at sea by something unexpected. Meanwhile, remaining islanders attempt to blow open the hatch, and a visitor to the encampment might be a threat to Claire's infant son.
Stars: Naveen Andrews, Emilie de Ravin, Matthew Fox
Director(s): Jack Bender
Writer(s): Jeffrey Lieber, J.J. Abrams, Damon Lindelof