Robert De Niro plays a randy senior in Dirty Grandpa that opens on Jan. 22. He and his grandson (Zac Efron) go to Spring Break in Daytona, where Gramps acts like a college senior, smoking pot and chasing co-eds. The film also stars Aubrey Plaza, Julianne Hough and Adam Pally, and is directed by Dan Mazer (he produced the Borat and Brüno movies).
Efron co-starred in Neighbors, the No. 1 Stoner Movie of 2014. De Niro recently appeared in The Intern and Heist. He smokes opium in Once Upon a Time in America.