The War with Grandpa | The Flix Search

Flix Search Discover Movies Discover Shows Signup Login

The Flix Search

The best way to find where your favorite movies and shows are streaming. Discover global streaming availability easily, and access geo-restricted content using a VPN.

Quick Links

Powered by

The Flix Search uses the TMDB API, but is not endorsed, certified, or otherwise approved by TMDB.

Streaming Availability Data

© 2025 The Flix Search. All rights reserved.

Privacy Policy Terms of Service Cookie Settings

Select Streaming Provider:

The War with Grandpa is available on Amazon Prime Video in the following countries:

Antigua & Barbuda

Argentina

Barbados

Bermuda

Bolivia

Brazil

Bahamas

Belize

Chile

Colombia

Costa Rica

Cuba

Dominican Republic

Ecuador

French Guiana

Guatemala

Guyana

Honduras

India

Italy

Jamaica

St. Lucia

Mexico

Nicaragua

Panama

Peru

Paraguay

El Salvador

Turks & Caicos Islands

Trinidad & Tobago

Uruguay

Venezuela

Recommendations:

Leading Lady Parts poster image

Leading Lady Parts

The Prodigal Daughter poster image

The Prodigal Daughter

My Cousin poster image

My Heart Goes Boom! poster image

My Heart Goes Boom!

Darlin' poster image

G-Loc poster image

The Trip 5 poster image

Adventures Italian Style poster image

Adventures Italian Style

A Country Wedding poster image

A Country Wedding

AEW Revolution poster image

Snoopy Presents: Lucy's School poster image

Snoopy Presents: Lucy's School

Hate by Dani Rovira poster image

Hate by Dani Rovira

Dark Figure of Crime poster image

Dark Figure of Crime

Eye of the Tiger poster image

Eye of the Tiger

Thomas & Friends: The Great Discovery poster image

Thomas & Friends: The Great Discovery

Hide and Seek poster image

Bullet in the Head poster image

Bullet in the Head

Christmas on Ice poster image

Christmas on Ice

Savate poster image

All Cheerleaders Die poster image

All Cheerleaders Die

The War with Grandpa poster image

The War with Grandpa (2020)

⭐ 6.4/10

993 votes

1h 38m

Genres

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.

IMDb + Watchlist