Where to watch The War with Grandpa (2020) in the UK
The War with Grandpa (2020) is not currently on UK subscription streaming. It can also be rented from Rakuten TV, Amazon Video, Google Play Movies, and YouTube or bought from Apple TV Store, Rakuten TV, Amazon Video, Google Play Movies, and YouTube. Last verified on 3 May 2026 by ScreenSearch.
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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Streaming options in the United Kingdom
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Last verified: — sourced from The Movie Database. Machine-readable: Markdown · JSON.
Cast & crew
Top-billed cast in The War with Grandpa.
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Robert De NiroEd -
Uma ThurmanSally -
Rob RiggleArthur -
Oakes FegleyPeter -
Laura MaranoMia -
Cheech MarinDanny -
Jane SeymourDiane -
Christopher WalkenJerry
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The War with Grandpa — frequently asked questions
Where can I watch The War with Grandpa in the UK?
The War with Grandpa (2020) is not currently included in any UK subscription service. It is available to rent on Rakuten TV, Amazon Video, Google Play Movies, and YouTube and buy on Apple TV Store, Rakuten TV, Amazon Video, Google Play Movies, and YouTube in the United Kingdom.
How much does it cost to rent The War with Grandpa?
Rental prices vary by service and tier (HD vs 4K), typically £3.49 to £5.99 in the UK for a 48-hour rental. ScreenSearch links you straight to Rakuten TV, Amazon Video, Google Play Movies, and YouTube so you can check the current price.
Can I buy a digital copy of The War with Grandpa?
Yes. The War with Grandpa can be bought as a digital download from Apple TV Store, Rakuten TV, Amazon Video, Google Play Movies, and YouTube in the UK. A purchased digital copy lives in that storefront's library and stays available as long as the licence holds.
Is The War with Grandpa on Netflix, Disney+ or Amazon Prime Video in the UK?
The War with Grandpa is not currently included with any major UK subscription service. It may still be available to rent or buy.
How accurate is this film's availability data?
Availability is sourced from The Movie Database (TMDB), which in turn pulls from JustWatch. Listings are refreshed daily. For purchase decisions, the provider's own site is the source of truth.
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