Last episode of season 2, recap of episode 22:

Michael’s whereabouts during his 13 days in captivity in the “Others” camp are detailed while in the present, he tries to convince Jack to help him mount a search party for his son Walt still being held captive. Meanwhile, Locke struggles with a choice whether or not to abandon the hatch.

Recap of episode 15:

When Claire’s baby falls ill, she becomes determined to find out what happened to her to regain her memory during her captivity with the Others, triggering flashbacks to her experience among the Others, and her ordeals concerning her baby. Also, Mr. Eko learns about Henry Gale and asks Jack and Loche to give him a meeting with their captive.

Recap of episode 2:

Michael is drowning and Sawyer saves him, while Jin is missing. Michael recalls his fight against Susan for Walt in the justice and the reasons for Michael’s desperate obsession for his son. They drift on a wreckage of the raft, with the menace of a shark. Michael blames Sawyer for the abduction of Walt and promises to bring his son back. Meanwhile, Kate releases herself from Desmond’s captivity and escapes through a ventilation duct, while Locke tries asking Desmond questions about the underground facility they are in and about the use of the mysterious numbers. At the end, Michael and Sawyer reach the beach, and they see Jin escaping from “The Others”.