Continuity mistake: In the first scene when Nicky is doing her homework there is a horse ornament on the table in front of her which is in a different position with every shot.
Continuity mistake: After Nicky has been separated from her parents, Nicky and her father are walking the streets looking for each other. A horse and cart with lots of children on the cart and a line of children walking behind it goes past Nicky. She sees her father walking on the other side on the road, but when she walks behind the cart to cross the road, the camera angle changes, and the children have changed places in the line.
Continuity mistake: After he has destroyed the television Mr Gore tries to light his pipe. If you look outside you can see several cars parked outside the Gore's house, in the following scenes outside this house all the cars have gone. They couldn't have been driven after "the changes" had started.
Continuity mistake: The same extras can be seen several times throughout this episode in the chaos scenes in the city and when walking through the country roads to the coast.
Continuity mistake: When Sheila is walking down the steps to get to the boat, she stops walking when she feels a pain. The angle changes and the people walking behind her have changed position.
Continuity mistake: After dark when Nicky puts the candle in front of the clock to see what the time is, in the close up shot the items around the clock have changed position.