Where to watch The War with Grandpa(2020)
In the United States, The War with Grandpa isn't included with any subscription, but you can rent or buy it on Amazon Video, Apple TV, Google Play, and YouTube.
Where to stream The War with Grandpa
Availability in United States
Rent
Amazon Video
Apple TV
Google Play
YouTube
Fandango At Home
Buy
- Amazon Video
- Apple TV
- Google Play
- YouTube
- Fandango At Home
Data updated on October 9, 2026. Availability data from JustWatch.
The War with Grandpa plot summary
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.
Details
- Release date
- August 27, 2020
- Runtime
- 1h 38m
- Genres
- Comedy, Family
- Directed by
- Tim Hill
- Country
- United States
- TMDB rating
- 6.4 / 10 · 1,101 votes
The War with Grandpa trailer
Cast
Robert De NiroEd
Uma ThurmanSally
Rob RiggleArthur
Oakes FegleyPeter
Laura MaranoMia
Cheech MarinDanny
Jane SeymourDiane
Christopher WalkenJerry
Juliocesar ChavezBilly
Isaac KragtenSteve
FAQ
Where can I watch The War with Grandpa?
In the United States, The War with Grandpa isn't included with any subscription, but you can rent or buy it on Amazon Video, Apple TV, Google Play, and YouTube.
Can I rent or buy The War with Grandpa?
Yes. In the United States you can rent or buy it on Amazon Video, Apple TV, Google Play, YouTube, and Fandango At Home.
How long is The War with Grandpa?
The War with Grandpa runs 1h 38m (98 minutes).
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