When the magic powers of The Tablet of Ahkmenrah begin to die out, Larry Daley (Ben Stiller) spans the globe, uniting favorite and new characters while embarking on an epic quest to save the magic before it is gone forever.

Young writer Sam has a crush on Birdie, the cute and quirky barista at his local coffee shop. When his conventional attempts to woo her crash and burn, he takes his efforts online, creating an Internet profile embellished with all of the details that would make him Birdie’s dream guy. When the harebrained scheme is a surprise success and Birdie falls for his exaggerated alter ego, Sam must keep up the act or lose his dream girl forever.

Hapless museum night watchman Larry Daley must help his living, breathing exhibit friends out of a pickle now that they’ve been transferred to the archives at the Smithsonian Institution. Larry’s (mis)adventures this time include close encounters with Amelia Earhart, Abe Lincoln and Ivan the Terrible.

Chaos reigns at the natural history museum when night watchman Larry Daley accidentally stirs up an ancient curse, awakening Attila the Hun, an army of gladiators, a Tyrannosaurus rex and other exhibits. Larry tries desperately to keep the museum under control, but he’s fighting a losing battle until President Teddy Roosevelt comes to the rescue.