Dr Wilson

Revealing mistake: When the UN team arrives in the Gobi desert, there's one shot where the helicopters and trucks are parked. They're supposed to be moving, but you can tell from the way the flags are moving that the wind is only coming from the helicopters.

Dr Wilson

Trivia: When Barry is being kidnapped by the aliens, somebody pulls him out of the house by the dog's entrance in the door. The person who pulls him is his real mother.

Dr Wilson