Erreurs factuelles: Most fecal matter gives off methane, a flammable gas. Emmett lights a flare in the middle of the guano pit, which would normally set off the methane, yet nothing happens.
Audio/Video non synchronisé: Laser and inkjet printers do not make the noise of a noisy dot matrix printer.
Révélant des erreurs: Dead deputy found in bar can be seen breathing.
Erreurs factuelles: Jumper cables connected to a chain link fence will short out as soon as the power is turned on. It will not electrify the fence.
Erreurs factuelles: All of the biology of bats as described in the film is incorrect as well, of course.
Continuité: When the Sheriff is smoking on the bridge, the position of the cigar is constantly changing.
Continuité: When the Doctor is examining the teenager's dead body, his tie changes position.
Continuité: When Dr. Casper and the Sheriff fall through the hole, there is no ladder. Later they go back to the hole and there's a ladder by it.
Continuité: After Sheila and the Sheriff are attacked by the bats in the car, they get out and Sheila closes the car door. In the next shot the door is open.
Révélant des erreurs: When the bats first come to town to wreak havoc some of the bats that are attacking the townsfolk are going right through the people.
Révélant des erreurs: In the scene where Dr. Casper and crew arrive in Texas and meet the Sheriff for the first time, the Texas state flag can be seen flying upside down on a flag pole in the back ground. The Texas flag should be white over red.
Continuité: At the end of the movie, the cuts to the air strike first show Falcons, then Mirages and finishes up with Phantoms. Were there really that many aircraft involved?