You may watch below the first official trailer of Dirty Grandpa, the upcoming hilarious comedy movie directed by Dan Mazer and starring Robert De Niro, Zac Efron, Julianne Hough, Aubrey Plaza, Zoey Deutch, Jason Mantzoukas, and Dermot Mulroney:

DIRTY GRANDPAPlot:
“A recently widowed veteran (Robert De Niro) tricks his adult grandson (Zac Efron) into going on a road trip for Spring Break in Florida.”

Here’s the film poster:

(Click on the poster to enlarge.)

DIRTY GRANDPA

This is Jason.

He’s a little worried about his grandpa.

Want to know what’s like to have Robert de Niro for grandpa? Go see the movie Dirty Grandpa then!

The film will open in theaters on January 22, 2016.
:)