Where can I watch “The War with Grandpa” legally online?

This page does not provide illegal streaming or downloads. Use the “Where to watch” section to check legal providers for the US and other English-speaking regions.

Is “The War with Grandpa” available on Netflix, Prime Video, or other services?

Availability changes by region. Check the listed providers and official sources in your country.

Where to Watch The War with Grandpa (2020) (Legally)

Old school vs new cool.

Aug 27, 2020 US 98 min PG

6.4 ★ ★ ★ ★ ★

1 058 votes

Comedy Family

Where can I watch “The War with Grandpa” legally?

We don’t host streams or downloads. Below are legal provider hints for the US region first, with a fallback for other English-speaking regions if available.

US providers

Rent

Amazon Video

Apple TV Store

Google Play Movies YouTube

YouTube

Fandango At Home

Buy

Amazon Video

Apple TV Store

Google Play Movies YouTube

YouTube

Fandango At Home

▶ Check legal availability Alternative: search on JustWatch

English-region fallback

Found availability signals for: GB

▶ Check providers (GB)

Where to watch “The War with Grandpa” (2020) legally online? See US options first, with English-region fallbacks.

What to expect (spoiler-free)

Planning a movie night? This is a spoiler-free snapshot of “ (2020).

It sits in the Comedy, Family space and is paced for about 98 minutes.

Audience signals on TMDB currently show an average rating of 6.4/10 from about 1,058 votes.

The listed certification for some regions is “ (ratings vary by country).

Topics & keywords

friendship, birthday, grandfather, teenage girl, family, family conflict, attic, changing room, resentment, duringcreditsstinger

Official trailer

Watch the official trailer on YouTube

Plot

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.