Factual error: Near the beginning, when the crew is chasing the great white shark and trying to avoid hitting the raft, Captain Nolan yells to the pilot "Hard to port." The pilot turns the wheel to the right, which is starboard.
Factual error: In the opening shot of the film, The first verse of the poem is recited. There is a very minor mistake in the subtitles on the region 1 DVD. Instead of "...in the wabe: All mimsy..." they read "...in the wabe. All mimsy...". (00:00:10)
Factual error: In the hypnosis scene, when father Marrin is crossing himself, he is doing it the wrong way - from right to left. (00:20:40)
Factual error: As the divers surface, they inform the sheriff that the meteor, despite having landed in a lake the night before, is so hot that it may take weeks to cool off.