The first Night at the Museum did so well that Hollywood heard the calls for ''do it again, daddy'' and rolled out Number 2. The exhibits from the New York Museum of Natural History are being put into storage at the Smithsonian Federal Archives in Washington, D.C. The magical Golden Tablet that brings them to life goes with them, but soon falls into the wrong hands! Can their old night guard save them before it's too late? Expect lots of hi-tech special effects.