The Greater Good (a.k.a. Sides) - S1-E21
Continuity mistake: When Jack collapses on the floor, the position Locke is lying in changes between the shots, with no chance to move. (00:09:45)
Exodus (2) - S1-E24
Continuity mistake: When the spotlight shines on the raft, Jin is hugging Walt in one shot and holding on to the raft in the next. (00:32:40)
Exodus (2) - S1-E24
Continuity mistake: When Hurley finds out he is at the wrong check-in desk, the staff member is holding his ticket and passport. The position of the ticket is constantly changing. (00:12:20)
Exodus (2) - S1-E24
Continuity mistake: When Sayid puts the gunpowder on Charlie, the amount and position of the gunpowder changes between shots. (00:09:30)
Exodus (1) - S1-E23
Continuity mistake: When Danielle is talking to the group, the position of her hair is constantly changing between shots. (00:05:00)
Born to Run - S1-E22
Continuity mistake: When Kate runs out of the hospital room, she goes through a door with her right arm/shoulder going first. Camera changes to the other side of the door and now her left arm/shoulder is going through first. (00:31:00)
Born to Run - S1-E22
Continuity mistake: When Sawyer holds up the passport for Michael to see, the way he holds it changes between shots. In the first shot he is holding it at an angle, and in the next it's perfectly level. (00:28:00)
Born to Run - S1-E22
Continuity mistake: When Sawyer throws the bottle to Michael, Michael's arm moves between shots. Easy to tell as in the close up of the bottle, you can see his fingers flat on the floor but they're not there in the next shot. (00:26:30)
Born to Run - S1-E22
Continuity mistake: When Walt is talking to Locke about the injury to his leg, Locke doesn't have a bandage on his leg. However, a couple of seconds later he's pulling his trouser leg down with a bandage around his leg. (00:25:30)
Born to Run - S1-E22
Continuity mistake: When Jin and Sun are talking about Jin going on the raft, the way Jin holds the wire he is tying differs between shots. (00:08:20)
Born to Run - S1-E22
Continuity mistake: When Kate is crying in the car, she has her elbow off the window edge, then back on to the window edge after an instant cut. (00:02:20)
Do No Harm - S1-E20
Continuity mistake: When Jack approaches Shannon and Sayid on the beach, the amount of footprints in the sand is constantly changing. (00:38:30)
Do No Harm - S1-E20
Continuity mistake: When Claire is talking to Michael and Sawyer at the start, Jin is working on the raft but doesn't have his handcuff on in this scene. (00:04:20)
Continuity mistake: Boone throws a statue out of the plane on to the ground by Locke. When the statue smashes, it's in the middle of a small circle that is cleared of leaves and vegetation. However, when Locke picks up the pieces, the small circle of cleared ground is gone. (00:32:10)
Continuity mistake: When Boone looks through the window of the plane, his face/head is through the broken window from the inside, but a good distance away in the far shot. (00:30:10)
Continuity mistake: When Jack gives Sawyer the glasses, he walks off and Sawyer is looking up to Jack. When the shot changes, he is now looking down at the ground. (00:29:10)
Continuity mistake: Boone explains who Terresa was and he has a bag strap across his chest. (The strap is the same colour as his shirt but is distinguishable by the lack of wrinkles in his shirt.) During camera changes, this bag strap disappears without him removing it. (00:25:00)
Continuity mistake: When telling Boone about being in a wheelchair on the flight, John is leaning against a tree with his backpack off. The shot changes and now his backpack is back on. (00:23:10)
Answer: He was eating a peice of an orange with the skin still on.
XIII