Goofs

Curt is so calm that when he attacks his 'injecta-pod' he still holds a lit cigarette in his left hand, but when he stabs and kills it the cigarette disappears.

When Keith exits his car when it stops due to the power outage, other vehicles can be seen in the background, across the river, driving along.

When Curt exits his car after it stops due to the power outage, other cars can be seen driving on the road in the background beyond the trees and across the river.

When Keith confronts Curt in the lab, they are seen behind a glass window; when the camera angle reverses, the window is gone.

When they are trying to bring the satellite down it is approaching the moon, not the Earth.

As Curt and Ann discuss the worldwide power failure that has shut down their car, two cars drive by in the background.

As Curt and Gen. Young sit in the military jeep, four cars drive by in the background, despite the worldwide power outage that stopped all vehicles from working.