Continuity mistake: When the scorpion chases the old man, his position keeps changing drastically between shots. If an angle shows him in one place, the next angle places him five meters behind.
Continuity mistake: Jennifer and the Captain exit the cellar up the ladder. When she has climbed it and is now on the upper floor, there's a shot of her back in the cellar and climbing up again.
Continuity mistake: Jennifer is up the ladder holding a defibrillator with her right hand, and the ladder with her left. From an angle above, both hands have the defibrillator.
Continuity mistake: When Jennifer is dressed with the special suit, a claw shows up close to her face. The amount of slime on it increases, decreases or even disappears randomly between shots.
Continuity mistake: Scott takes off his oxygen mask and stands up. During that brief moment the knot of his tie swaps from slightly loose to very loose.
Continuity mistake: By the end of the film, when the queen scorpion is wandering around, a shot of the floor shows that the plane is spotless, despite being filled with blood, paper, and debris a couple of scenes before.
Continuity mistake: After the door shuts, Courtney's hair style changes from brushed to the left to messy, between shots.
Continuity mistake: Before the scorpion attacks the old man a jacket is hanging from a seat, but in a following shot it's gone.
Continuity mistake: Jennifer and the Captain crush the scorpion in the coffin. The first shot shows that only one tentacle comes out, but in the immediate close-up many tentacles are out.
Continuity mistake: The girl wakes up Jan when she sees the scorpion, but when the angle changes Jan is still asleep. Then back to the first angle and she is awake.
Continuity mistake: Jennifer is dressed up with the suit down in the cellar. When she runs toward the stairs she has reached them, but the following shot shows her back from where she started and she's running towards the stairs again.
Continuity mistake: The motorbikes chasing the van disappear from the wide shot after they throw the gas bomb inside.
Continuity mistake: The amount of people to the left of the security check, in the three seconds before and after Gunther passes by, differs drastically.
Continuity mistake: After the plane lands, an outside shot (stock footage) shows two male pilots in the cockpit, but inside there's only a man and a woman.
Continuity mistake: Captain and Jennifer have killed the scorpion from the cellar and run towards the ladder. The Captain is ahead, but there's an abrupt cut and now she's ahead.
Continuity mistake: After crushing the scorpion in the coffin, the lid appears either well placed or slightly skewed, depending on the angle.
Continuity mistake: In the airport, the snobbish woman is seated close to the wall and the black man next to her. One second later she's sitting in a different place, holding a newspaper, and the Afro-American is gone.
Continuity mistake: The tentacle slaps the Captain on the cheek, but he appears wounded as if he had been hit across the eyes.
Continuity mistake: Scott slaps Jennifer. Seconds later she sees the scorpion and lowers her hand. The angle changes and she is lowering her hand again.
Continuity mistake: The scorpion exits the cellar through the stairs, and a shot shows it running from the back of the plane towards the front. Then Jennifer comes up those same stairs and we can see she's in the front of the plane, by the cockpit.