<Tr> <Th> Budget </Th> <Td> $387 million </Td> </Tr> <Tr> <Th> Box office </Th> <Td> $1.31 billion </Td> </Tr> <P> Night at the Museum is a trilogy of fantasy - comedy films beginning in 2006 and ending in 2014 . All three films, based on the children's book The Night at the Museum by Milan Trenc, are directed by Shawn Levy and written by Robert Ben Garant and Thomas Lennon . Starring Ben Stiller as a museum night security guard named Larry, the films also star an ensemble cast featuring Owen Wilson, Robin Williams, Ricky Gervais, Steve Coogan, Patrick Gallagher, Rami Malek, Mizuo Peck, Mickey Rooney, Bill Cobbs and Dick Van Dyke . </P> <P> When Larry Daley (Ben Stiller), a divorced father who can't seem to keep a job for more than a week, applies for a job at the American Museum of Natural History, he is assigned as a night guard . However, a seemingly easy job turns out to be a wild ride when he finds that an ancient spell has caused the "inhabitants" of the museum to come to life . </P>

How many night of the museum movies are there