Continuity mistake: In this episode Jack works on an old crippled man to try and perform another "miracle." Remember, this is supposed to be in Jack's past. When he's looking at the x-rays in the beginning, take a look at the dates on them. They're November 16, 2005. In the last episode of season 2, Desmond says that the plane crashed in September 2004.
Continuity mistake: When Hurley is talking with Charlie about having a shot with Libby, the LPs he has change from 2 or 3 leaning forward against his chest to in a stack on his lap. (00:27:10)
Continuity mistake: When Sun is putting a hat on Jin, he says he doesn't need a hat as Sun starts to lift and put the hat on him. When the shot changes, she lifts the hat a second time. (00:14:10)
Answer: He was eating a peice of an orange with the skin still on.
XIII