Oh, Henry
Rousseau is back and she has a present for Sayid, a prisoner who says his name is Henry Gale, who seems to be a master getting inside people's heads. He claims to have crashed on the island in a hot air balloon. But that story is just a bunch of hot air. Henry is a liar. Even worse, Henry is an Other. So Jack and Kate decide to trade Henry for Walt. But when they go to make the exchange, they find Michael stumble out of the jungle to collapse at their feet.