Continuity mistake: When Nova and Matt are in the helicopter, the chopper's windshield, cabin, and gauge panel style keep changing.
Continuity mistake: Near the end, after Fin pushes Claudia out of harm's way, the bandage that Fin has wrapped around his left hand vanishes in closeups.
Continuity mistake: When Fin drives the vehicle to blow up the last tornado he's wearing his watch, but after he presses the nitrous button as he jumps out and lands his watch has suddenly vanished. Then when Fin runs back to his family shouting, "Get out of there," he's watch-less, but after pushing Claudia out of the way his watch is back on his wrist.
Continuity mistake: The style of the chainsaw that Fin uses at the end changes between shots, in the shot from the perspective of inside the shark's mouth - note the second black handle. (Both chainsaws can be seen on the table earlier, in the scene at the surplus warehouse).
Continuity mistake: When the first girl is rescued from the school bus, as she exits the back of the bus she's wearing dark pants, but when she's being hoisted up she's wearing light stone wash jeans.
Continuity mistake: When Fin heads back up the rope to the bridge, the watch on his left wrist vanishes in his closeup, after he says, "I've had just about enough of you," and he cuts the rope to drop the shark.
