"Walkabout" is the 4th episode of Lost. It is the fourth episode of the show's first season. The episode was directed by Jack Bender and written by David Fury. It first aired on October 13, 2004 on ABC. The character of John Locke is featured in the episode's flashback.
In a flashback, Locke is at work in an office building playing a game of Risk during his lunch hour. His manager, Randy, taunts him when he discovers that Locke is going on an Australian walkabout, saying that there are things that Locke can't do in his condition. "Don't tell me what I can't do," Locke says angrily.
At home in his studio apartment, Locke is talking to a woman named Helen on the phone and tells her of his walkabout opportunity. He invites her to go to the walkabout, but she declines and says that she does not meet customers. She then tells Locke that continuing the conversation will mean charging for another hour, but that he "can't afford it". He says he doesn't care about the money, but she hangs up on him. Locke angrily hangs up his phone.
Michael is injured and Locke is thrown off of his feet while hunting, while Kate escorts Michael to the beach and Locke continues (after having a strange episode with his legs going numb apparently). Along the way she climbs a tree to hook up the antenna, but when she sees the monster she drops it, and the antenna breaks. Locke has a close encounter with the monster. However, instead of running from it, he stands his ground.
At the beach the castaways are clearing supplies out of the fuselage. Claire decides to lead a memorial ceremony for the deceased passengers. Boone suggests that Jack talk to Rose, who has been somewhat distant since their arrival on the island. Rose tells Jack that her husband, who was in the tail section of the plane when it crashed, is still alive. Michael and Kate return to camp. Sayid is angry that Kate broke the antenna. When she goes to tell Jack about Locke, Jack sees a man in a suit walk into the jungle. Jack chases after him and Kate follows. They find Locke covered with blood with a slain wild boar.
That night, Claire holds a memorial service for the dead passengers using information she found in their passports, wallets, and luggage. Charlie takes a hit of heroin before attending; his stash is running low. Jack is not among the group. Michael who is standing next to Locke asks him if he saw anything out there, Locke simply replies "no".
In a flashback, Locke is in Australia talking to one of the leaders on the walkabout. He refuses to let Locke come because of his condition, saying it's too big of a risk for the insurance company. As the man gets up to leave, Locke pulls away and is shockingly revealed to be in a wheelchair. In a flashback two minutes after the crash, Locke is lying on his back in the sand. He wiggles his toes, then slowly and clumsily stands up when Jack asks him for help with the man under the wreckage.
The scene switches back to present time in the memorial service. The shot focuses on Locke who directs his stare to the wheelchair, which he has spent four years in. He then smiles as the fire burns and the episode closes.