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1h 38mPGDirected by Tim Hill
Old school vs new cool.
Peter is thrilled that his Grandpa is coming to live with his family. That is, until Grandpa moves into Peter's room, forcing him upstairs into the creepy attic. And though he loves his Grandpa, he wants his room back - so he has no choice but to declare war.
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Robert De NiroEd
Uma ThurmanSally
Rob RiggleArthur
Oakes FegleyPeter
Laura MaranoMia
Cheech MarinDanny
Jane SeymourDiane
Christopher WalkenJerry
Juliocesar ChavezBilly
Isaac KragtenSteve
T.J. McGibbonEmma
Poppy GagnonJenniferAvailability for The War with Grandpa by JustWatch, via TMDB. All options