Plot hole: While searching for Ethan, Jack hands out handguns to himself, Locke, Sayid, Sawyer, and Kate. But later, Charlie shoots Ethan with a mysterious sixth handgun. While this benefits the plot (Charlie's desire for revenge), it contradicts earlier episodes where it is established that there are only five guns on the island.

Continuity: When Sawyer shoots "Sawyer" there is a 15 ft tall grounded lamppost at the corner of the link fence, with an overhead curved head giving off the dramatic spot of light in the wet darkness, near the trash receptacle. However, earlier when Sawyer gets out of the car at the Sweet Shrimp, as he checks his gun, that towering lamppost is non-existent.

Revealing: In the scene where Charlie and Hurley are starting to dig Ethan's grave, the body in the bag is breathing shallowly.

Factual error: In the first scene in Sydney the camera pans from the opera house toward the rich North Shore suburb, except it shows that there are no houses on the shore whatsoever. In reality there are houses scattered across the shoreline.

Factual error: The location of the working dock in Sydney where Sawyer buys a gun doesn't really exist next to the Opera House, as pictured. The reality is the site has a glass cruise ship terminal, not a shabby wooden workshop.

Visible crew/equipment: When Sawyer finds his blue tarp that the boar ran off with earlier, Sawyer hears the whispers, then the boar reappears and chases him. When the mean old boar flips Sawyer over, the chain link fence (used for the stunt) is clearly visible beyond the grass, at the top right corner of the screen. (Also seen on Disc 7.)

Visible crew/equipment: When Sawyer is tracking the boar, the camera is moving behind Sawyer, and you are able to see the camera's shadow move on the leaves. This happens in the shot before Sawyer gets on his knee checking out the boar tracks.

Continuity: Once Sun leaves the bathroom, Jin's hands begin to shake as he washes the blood off, in fact there is much more blood on his hands now to wash off. Suddenly there is a silver/red soap dispenser on the right of the faucet (this isn't the gold/red one on the left), where the bar of soap was earlier, and there are also two large white towels hanging on the bar, whereas there was only one in all the previous shots. The early part of this flashback is in "House of Rising Sun" and the additional last shot was filmed at a later date.

Continuity: When Jin is packing to leave the cave, his backpack is wide open and unzipped when he swings it onto his right shoulder and then carries the fishing net. After a brief cut to Sun shouting in English, Jin is walking away carrying the net, and the backpack is still on his shoulder, only now it is zipped closed.

Continuity: When Shannon is looking for Boone but instead finds his "jungle pal" Locke, he is gutting his dinner and gets blood on his face. The blood on Locke's face repeatedly changes, such as in one shot there's a small clot of blood beside his eye, and in another shot the blood is lower and larger.

Continuity: When Michael thinks Jin has set fire to his raft, he punches him in the face a couple of times. When Jin is leaving Sun later on, his face is miraculously unmarked. There is no sign of any swelling or bruising. He doesn't look like a guy who's just been punched in the face.

Continuity: When Shannon is talking to Locke about Boone staying out of her business, her hair changes between each shot. It is very noticeable, she goes from having no hair on her face, to having a lot hanging down the side of her face.

Visible crew/equipment: When Hurley is at the new house, after his mom hurts her ankle, he reaches into the car window to get the cell phone. When he begins to dial, the cameraman's arm moving about is reflected in the back chrome of the side view mirror.

Factual error: When Hurley is running through 'Sydney Airport', he runs past a sign that reads 'Kamehameha', which is the name of a Hawaiian king. This sign shouldn't be there if Hurley is in Sydney Airport.

Continuity: When Hurley returns and gives the battery to Jack, Hurley says "She says hey". Then it cuts to a close-up of Sayid and we can see the bag's strap going over his shoulder. When it cuts the strap is gone.

Continuity: When Jack speaks to Michael and Jin, as they build the raft, and then when he walks up the beach and inquires about Sawyer's trouble with his head, the backpack that Jack carries on his back is nylon, black/green with white trim. Yet, when Sawyer asks, "Sensitivity to light, that bad?" the backpack is suddenly transformed into a solid black leather, of an entirely different style. Then, in following shots it jumps back and forth.

Continuity: When Boone tosses the statue out of the plane, in the close-up the entire statue shatters, and the heroine bags spill out as the head flies off to the side. But in the following shot, Locke picks up a large unbroken piece - the head and torso are intact with some bags still inside, and even that piece changes in the next shot.

Visible crew/equipment: When Boone climbs up the vines toward the plane, in the first wideshot there is a rather conspicuous round CG blur at Boone's left hip that moves as he moves. Then in some following wideshots the black stunt belt at Boone's waist is perfectly visible as he makes his way up. In Boone's close-ups no such aids are on his body.

Deliberate "mistake": Jack's left arm is bandaged from Boone's blood transfusion. After the shot of Shannon, as she cries over Boone, Jack sits on the beach in the wideshot and the bandage is on his right arm, but in the following shots it's on his left. Yet another flipped shot.

Continuity: In the scene where Michael and Sawyer are eating some fish on the beach (with Jin working on the raft) a pregnant Claire has a quick conversation with them and heads into the forest. About 20 seconds later Kate runs into Michael and Sawyer, and runs into the forest at full speed. Kate later finds Claire in labour, who somehow had gotten further out than Kate, even though Kate was running at high speed in the woods. There is no way a pregnant girl could have beat Kate to that position, even considering how long it took Jin to find them from the beach.