The War with Grandpa
- Comedy
- Family
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.
The War with Grandpa is a 2020 family comedy about a boy who must wage a hilarious battle to reclaim his bedroom after his grandfather moves in and takes over the space. Released on August 27, 2020, the film combines heartwarming family moments with comedy hijinks as Peter and his Grandpa engage in an escalating prank war.
When does The War with Grandpa come out?
Where to watch
Streaming availability in United States
United StatesNot available on any tracked streaming service in United States right now.
Available in: United Arab Emirates · Argentina · Austria · Australia · Belgium · Bolivia · +47 more
The War with Grandpa is streaming in another region
Available to stream in Austria Australia Bahamas Canada+12 more— but not in United States.
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In cinemas
Theatrical release in United States
Wide release in United States · Rated PG
Theatrical dates from TMDB. Cinema chain links go to the official websites for showtimes and bookings — check there for the actual showtimes near you.
Rent or buy
Digital purchase & rental in United States
Where to watch The War with Grandpa by country
United Kingdom
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Germany
France
Spain
Italy
BrazilTop cast
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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 GagnonJennifer
Lydia StyslingerLisa
Heather JohansenYoung Mom
Joe GelchionChuck
Trailer
Trailer - Own it now on Digital, Blu-ray & DVD
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The War with Grandpa — frequently asked
When was The War with Grandpa released?
The War with Grandpa was released on August 27, 2020.
What is the movie about?
The film follows Peter, who must wage war against his grandfather after Grandpa moves into his bedroom, forcing Peter into the attic. The story centers on their escalating prank war despite Peter's genuine love for his grandfather.
What genre is The War with Grandpa?
The War with Grandpa is a family comedy designed for both children and adults to enjoy together.
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