Based on the novel written by Robert Kimmel Smith, which has sold over 1.5 million copies, The War With Grandpa is a hilarious family comedy featuring an all-star supporting cast: Uma Thurman, Jane Seymour, Rob Riggle, Oakes Fegley, and Christopher Walken.  

The producers chose director Tim Hill to bring the The War With Grandpa to the big screen.  Tim’s big screen credits include Hop, Alvin and the Chipmunks, Garfield: A Tail of Two Kitties and The SpongeBob Movie: Sponge on the Run.

Peter (Oakes Fegley) and his Grandpa Jack (Robert De Niro) used to be very close, but when Grandpa moves in with the family, Peter is forced to give up his most prized possession, his bedroom. Peter will stop at nothing to get his room back, scheming with friends to devise a series of pranks to drive him out. But, Grandpa doesn't give up easily and before long, it's an all out war!

Directed by Tim Hill and the screenplay was written by Tom J. Astle and Matt Ember.

The film is produced by Marvin Peart, Rosa Peart and executive produced by Tre Peart.

The film is distributed by Prorom in the following territories: Romania, Hungary, Czech Republic, Slovakia, Bulgaria, Poland, Croatia, Serbia, Slovenia, Macedonia, Kosovo, Bosnia and Herzegovina, Montenegro, Albania.