Revealing mistake: When the meteor is about to strike downtown Manhattan, the bay area image is a blatant photograph, with the boats and ripples completely still for several seconds. (01:19:49)
Revealing mistake: When the tidal wave floods the city and the road, one can see a thick line where the water footage was pasted over the city footage. Furthermore, all of the cars keep driving despite the chaos, and not a single object falls down.
Revealing mistake: Despite the heavy snowfall in Siberia, not a single flake falls on the people or clothes, nor is there any ice on them, revealing the snow is just footage matted over the scene.