Exodus (2) - S1-E24
Continuity mistake: At the airport, after Sun spills coffee on Jin, as he heads to the lavatory the large stain on his dress shirt is at the same height as the shirt pocket, yet, in the next shot the stain is much lower, below his stomach. (00:12:25)
The Greater Good (a.k.a. Sides) - S1-E21
Continuity mistake: At Essam's place, when Sayid walks toward the smoke alarm he places his tall glass mug with tea on the coffee table. When he drops the "bug" into the tea, in the close-up it is a different glass mug - note the style. (00:13:00)
Exodus (2) - S1-E24
Continuity mistake: When Michael sits with Walt at the airport, Michael says, "If you're worried about Vincent," and the newspaper in his hands is folded and held straight up with the blue Oceanic envelope. but when he says, "Dogs fly in the luggage compartment all the time," the way the newspaper is folded and held is different, and there is no blue envelope. (00:30:55)
House of the Rising Sun - S1-E6
Continuity mistake: The way Sun is holding the puppy change between the shots. (00:15:20)
Continuity mistake: At the start of the episode, Sawyer tells Jess he has $140,000. Later, when Sawyer is talking to his boss in the bar while playing pool, his boss says that he had $160,000.
All the Best Cowboys Have Daddy Issues - S1-E11
Continuity mistake: When Locke is about to leave to go search for Claire and Charlie, Michael stops him to talk. Locke throws the backpack over his right shoulder, but in the next close-up it's swung over his left (not a flipped shot). (00:06:15)
Continuity mistake: When Sawyer is in bed with his girl, he puts his finger on her chin and says "What do you want right now?". When it cuts his hand is gone. (00:01:45)
Homecoming - S1-E15
Continuity mistake: When Jack shows Locke the suitcase full of guns, you can see a stick visible in Locke's right hand. However, when Jack asks if Locke knows how to use a gun, you can see that after the camera has panned around, Locke is now holding the gun with both hands, with the stick nowhere to be seen. (00:27:10)
Tabula Rasa - S1-E3
Continuity mistake: Inside the closet, when Kate is about to turn the lights off, she is reaching out with her left arm to turn it off. When it cuts it's her right arm turning it off. (00:17:25)
Tabula Rasa - S1-E3
Continuity mistake: When Charlie takes the suitcase from Claire, he puts it on the wheel chair. At first the suitcase lies straight on the wheel chair. When it cuts it's askew. (00:14:30)
House of the Rising Sun - S1-E6
Continuity mistake: When Jack is packing water bottles in to the sack and Locke says "I think One of Us should stay and help Charlie salvage the wreckage", you see Jack putting a bottle in to the sack. His hands are now empty, but when it cuts he suddenly has a new bottle in his hand which he puts in to the sack. (00:16:05)
Exodus (2) - S1-E24
Continuity mistake: In 'House of the Rising Sun' (01-06) Charlie tells Locke the man at Sydney Airport made him check his guitar. However, in this episode, we see Charlie squeezing his guitar into a luggage compartment onboard the plane.
Continuity mistake: During Claire's second visit to the psychic, her hair changes position between shots. In one shot, it's hanging loose and in the next, it's tucked behind her right ear. (00:27:10)
Born to Run - S1-E22
Continuity mistake: When Sawyer dumps Kate's belongings out of the backpack onto the sand, their positions on the sand change between various shots. (00:28:45)
Continuity mistake: When Sayid steps into the trap, in the close-up of his feet he removes his right foot, and the left remains on the ground, inside the closing rope. However, in the next shot as he's lifted in the air, it's his right leg that is caught up in the trap. (00:03:15)
The Greater Good (a.k.a. Sides) - S1-E21
Continuity mistake: When Sayid speaks to CIA Agent Melissa Cole after Essam's death, in the first shot the body laden stretcher is wheeled to the vehicle and the back door is opened. When Agent Cole says, "Plane ticket and walking around money," in the background the stretcher is gone and the door is closed. But when Sayid asks, "What happens to his body?" the stretcher reappears as the body is being put into the open back door. (00:40:40)
Continuity mistake: When Sayid opens the lid of the compass to show Jack, in the close-up, all of Sayid's fingernails are short and trimmed, yet, in previous and following shots (including next episode "Special") some of his fingernails (such as the thumbs) are very long again. This occurs in many other episodes, such as "Exodus 2". (00:24:40)
Continuity mistake: In the very beginning of the pilot episode, Jack runs out of the jungle. He looks around and hears distant screams. While he is looking around, you can see through the bushes that there is nothing but beach on the other side. But when he turns around, the entire beach just on the other side of that bush is filled with wreckage. The wreckage would have been visible from the other side of the bush had it been there.
Born to Run - S1-E22
Continuity mistake: At the hospital, the way Kate holds the vase of flowers differs between shots. In the front shot, she is holding it by the neck of the vase, and in the rear shot, she is holding it by the bottom. (00:06:50)