Other mistake: In the ending before McGivens gets ready to slit Zorro's throat, Zorro kicks McGivens 4 times. After McGivens goes forward on his face, the rope that held Zorro's hands tied is gone, nor are there pieces left behind from him cutting them.
Other mistake: At the very end, the Durmstrang ship is leaving, it's away from the 'bank', firing its cannon. And then we see the Beauxbatons girls leaving Hogwarts... Followed by Durmstrang students whose boat has already left. (02:22:00)
Other mistake: When we see Middleton's bootprint, there is only one. There should be more than one bootprint as he goes along, even from one boot, as he walks toward the group to rejoin them.
Other mistake: Julian McMahon's real Australian accent slips through when his assistant asks him if he should rest and McMahon says, "Later. First I have some unfinished business to attend to."
Other mistake: In the scene where Jessica Alba has just cut off the guy's hand she was cuffed to and she is running around the boat, the handcuffs don't have a spot of blood on them.
Other mistake: In the opening song, the dolphins sing: "If we could just change one thing, we would all have learned to sing", however the subtitles on the DVD say "lungs to sing". As a side note, dolphins do indeed have lungs.
Other mistake: When Beowulf and the Geats discover the cave which hides the entrance to the Sea Hag's cave, there is a light shining up through the pool of water as though it opens up to sunlight on the other side. When Beowulf swims through to the other side however, he emerges into another equally dark cave. A bright clear light is still shining from under the water though. Both sides of the water tunnel open into dark caves. There is no light source, yet the light shines just the same on both sides.
Other mistake: Lavagirl burns everything she touches, but in some shots she touches Max's shoulders and doesn't burn him.
Other mistake: Just after the pirates flee the island and the octopus attacks them: a white and green fishing boat can be seen in the top right corner.
Other mistake: About halfway through, the divers go into water with a very strong current, and yet both Catherine and Nicoli both call Tyler to come to them, which is impossible - the current is too strong for Tyler to even attempt to turn around and go back to them. Both Catherine and Nicoli are in the current, so they will come to Tyler, eventually, when the current isn't so strong and Tyler can hang onto something and wait for them.
Other mistake: Gibbons asks for a lockdown, and on screen several doors appear in the map of the facility, in red, but the villains move undisturbed for big corridors past huge metal doors that would have easily slowed their path down if they closed. The movie does nothing to establish if they managed to prevent those doors from locking up, and how - they did not hack the system, they broke in blasting holes from the surface. (00:02:00)
Other mistake: When Jack sits back as the boat stolen by Ramon and Jenny is sinking, he is sipping a coconut with a straw like a cocktail. Where did the straw come from?
Other mistake: During the chase between Bo and Luke, and Jimmy and his father, Jimmy is shooting at them with a shotgun. He at one point hits the top corner of the driver door on the General Lee. , but he is shooting from the passenger side of his father's truck.