Season 1 Episode 3 and 4: Tabula Rasa and Walkabouts
The third episode is entitled Tabula Rasa. In this episode, Jack finds Kate�s past as a fugitive. The signal party returns, but decides not to tell the others about the transmission. Sawyer shoots the marshal. He feels that killing him will save him from misery. This only punctures his lung. Jack euthanizes him. A flashback was shown about Kate�s life on an Australian Farm, where she was captured by the marshal. In the fourth episode entitled �Walkabout�, the fuselage was burned after it is raided by boars. Locke hunted for boars successfully. Little did the other survivors know that he had an encounter with the monster. The flashbacks revealed that Locke was in a wheelchair before the plane crashed and he was healed right after the crash.