This movie earns its rated R easily. Robert DeNiro is a very dirty grandpa and he has two missions in this movie and it’s not family friendly. The feel of this movie is your classic road trip theme mixed with a lot of drug induced antics. If you want a good summary of the movie then think about having Johnny Knoxville’s Bad Grandpa infused with items from the Hangover series.
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Dirty Grandpa (2016) Cast and Details

Dirty Grandpa (2016) is directed by Dan Mazer and stars Robert De Niro, Zac Efron, Aubrey Plaza and Zoey Deutch. It runs 102 minutes and is rated R. You can look up the full cast and crew on IMDb. You might also like my Ride Along 2 review.