Corrected entry: There are many flaws in the logic and details of the aliens sending coordinates as a longitude and latitude in degrees, minutes and seconds. Firstly the units - 90 degrees in a right angle with 60 subdivisions and 60 sub-subdivisions is arbitrary and how would the aliens know that humans often divide angles like that? If they were being mathematically pure it would be natural to use units of radians. Secondly the origin of the coordinates - for latitude there is a natural choice of the origin, being the equator, so that makes sense, however for the longitude there is no natural choice of origin, and how would the aliens know that humans arbitrary choose the observatory in Greenwich, London, England as the zero meridian? Thirdly the order of the components of the coordinates - if the aliens knew so much about the way we do things to know about the above two points, why did they give the longitude as the first part and the latitude as the second part, when the human convention is to do the opposite? Fourthly the direction of the angle from the origin - why did everyone assume that the longitude was West and the latitude was North? Those coordinates could equally correspond to three other points on the globe.
Corrected entry: When Roy and Jillian are driving along the dirt track to Devil's Tower, they pass dead animals by the roadside, but we do not see any in the fields.
Corrected entry: In the final showdown, earth people are rightly amazed by their first confrontation with the alien spaceships and finally their passengers as well. But since they have (probably for years) prepared and trained a group of astronauts ready to attend the first alien/human space-voyage in history, why do they look so surprised every time a new "wave" of alien ships appear? Aren't they expecting or at least hoping that one of them would land?
Corrected entry: In the scene where the couple is arguing in their home about seeing a movie, there is a boy in the crib trying to break a doll or something. That kid looks at least 4 years old. Isn't a 4 year old a little old to be in a crib? And you can easily tell that the kid would not be able to lay down completely in the crib even if he tried.
Corrected entry: In the scene just as Roy, Gillian, and Larry take off for Devil's Tower, the army officer is on his car phone speaking to his superior. When his superior tells him if they don't get Roy and company off the mountain in one hour, to use EZ4. Lacombe, who was talking to David at the time, looks at the officer and says, "What's EZ4?". Lacombe should not have known what was said over the phone, as only the officer and we, the audience, knew what was being said. It wasn't a speaker-phone.
Corrected entry: When Ronnie hastily backs the car out of her driveway it smashes a Big Wheel to the opposite curb, where it comes to rest right next to the neighbor's driveway entrance. In the following shot, showing Roy getting up off the ground, the Big Wheel is a good 10-12 feet away from the driveway entrance. (01:14:25 - 01:14:55)
Corrected entry: The headline of the newspaper article spells Kidnapping as Kidnaping. (00:58:25)