Lost: Lockdown

When the hatch goes into a strange lockdown mode, Locke is trapped inside with Henry Gale. Locke releases him to help get the blast doors open and ends up getting his legs pinned under the doors. He relies on Henry to find the computer and set the code who makes him swear to protect him from the rest of the survivors no matter what. Locke flashes back on his dad's supposed death and how he was pulled back to help him retrieve some stolen money, destroying his relationship with Helen. Meanwhile Ana Lucia, Sayid and Charlie continue their search for Henry's balloon. All checks out until Sayid uncovers the grave of Henry's wife, revealing the true Henry Gale buried within, destroying the faux Gale's story. Also, Jack challenges Sawyer to a poker game to win back the hatch's medical supplies.