Audio problem: Dr. Marvin watches the magnetic interference unit take down an alien spaceship and says, " saucer hit and down in the Potomac". If you look closely his lips do not match what we hear. (00:13:10)
Audio problem: As Becky and Miles go down the steps after leaving his office. Miles keeps mouthing something after we hear the dialogue stop. (00:07:20)
Audio problem: When the crew are getting into the land rover tractor after the captain chews out his crew for letting the alien onboard, you can hear the "steel" door close with a heavy obvious metallic clang. A few seconds later the same door closes with a soft plywood thud, and a few seconds later it closes with no sound at all as if light as a feather. (00:36:00)