Dirty Grandpa is a 2016 American comedy film directed by Dan Mazer and written by John Philips. The film stars Robert De Niro, Zac Efron, Zoey Deutch, Aubrey Plaza and Dermot Mulroney.
Filming began on January 19, 2015 in Atlanta and ended on May 9. It was theatrically released on January 22, 2016 by Lionsgate and received overwhelmingly negative reviews from critics, but was a box office success, grossing over $99 million worldwide.
Right before his wedding, an uptight guy is tricked into driving his grandfather, a lecherous former Army Lieutenant-Colonel, to Florida for spring break.