Revealing mistake: When the policeman is shot on the roof of the observatory and the police cars drive across the grass, you can see the tyre marks in the grass from previous takes.
Chain Reaction (1996)
1 revealing mistake - chronological order
Directed by: Andrew Davis
Starring: Morgan Freeman, Keanu Reeves, Rachel Weisz, Fred Ward
Audio problem: During the chase scene at the science museum, there is a shot where an FBI Agent reports on a disturbance there. If you watch closely, you can see where he originally said the "Smithsonian", and the audio was dubbed to say "science museum". (01:08:20)
FBI Agent Ford: Ma'am, we just had eight city blocks disappear. The President of the United States talked to my boss at three this morning, he wants answers.