The Day After (1983)

Other mistake: When the Soviet attack occurs, farmer Jim Dahlberg carries his blinded son to the farm's shelter. The dust cloud from the nuclear blast in this shot is blowing from right to left, yet the flag in front of the house is blowing into the opposite direction. (00:59:50)

Denise Dahlberg: Phones working?
Stephen Klein: Are you kidding? There aren't going to be any phones.

Trivia: The US department of defence did not allow the producers to use stock footage of actual mushroom clouds so they had to rely on special effects of the time, which is why the clouds appear so fake. They also wanted the script changed to state that the Russians started the war.

Mercury