At the Museum of Natural History, there's new exhibit being unveiled. Larry Daley who manages the night exhibit because the exhibits come to life because of the Tablet of Ahkmenrah, is in charge of the presentation. But when the exhibits go wild, Larry finds himself in trouble. He learns that the Tablet is corroding so he does some research and learns that Cecil, the former museum guard was at the site when the Tablet was discovered. He tells Larry that they were warned that if they remove it...

A young writer tries to impress a girl he meets online with an embellished profile, but he finds himself in a real mess when she falls for him and he has to keep up the act.

Security guard Larry Daley infiltrates the Smithsonian Institution in order to rescue Jedediah and Octavius, who have been shipped to the museum by mistake.

In New York, unemployed and divorced Larry Daley is a complete loser. His son Nick is very disappointed with his father who is going to be evicted. Larry accepts the job of night watchman in the Museum of Natural History and takes the place of three old security guards that have just retired in order to raise some money and pay his bills. On his first shift, Larry soon realizes that everything at the museum is not as it seems as the statues begin to come to life after the sun sets. The Museum...