The War with Grandpa
“Old school vs new cool.”
We checked 8 streaming services in India on 04 Jun 2026 at 08:56 IST
About
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.
Cast
Robert De Niro
as Ed
Uma Thurman
as Sally
Rob Riggle
as Arthur
Oakes Fegley
as Peter
Laura Marano
as Mia
Cheech Marin
as Danny
Jane Seymour
as Diane
Christopher Walken
as Jerry
Juliocesar Chavez
as Billy
Isaac Kragten
as Steve
T.J. McGibbon
as Emma
Poppy Gagnon
as Jennifer
Lydia Styslinger
as Lisa
Heather Johansen
as Young Mom
Joe Gelchion
as Chuck
Colin Ford
as Russell
Faizon Love
as Store Manager
Rutanya Alda
as Lynn Marino
Drew Scheid
as Eighth Grade Monster
Joshua Childs
as EMT #2
Where does The War with Grandpa rank today?
The War with Grandpa is #2988 on the Bowood.TV Daily Streaming Charts today.
- Highest: #2988
- Top 10: 0 days
- Top 100: 0 days
Watch The War with Grandpa Online Free in HD
Looking for a place to watch The War with Grandpa online for free? You've landed on the right page. The War with Grandpa is a popular English comedy and family movie from 2020 that you can stream right now on Bowood.TV in high quality, no signup required.
About The War with Grandpa
“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. Running 98 minutes.
The War with Grandpa Cast and Characters
The cast features Robert De Niro (as Ed), Uma Thurman (as Sally), Rob Riggle (as Arthur), Oakes Fegley (as Peter), and Laura Marano (as Mia). Their performances are a major reason The War with Grandpa has built such a passionate audience.
Where to Watch The War with Grandpa Online
Bowood.TV lets you stream The War with Grandpa online free, instantly, in HD. There's nothing to install — open the page, hit play, done. Works perfectly on Jio, Airtel, Vi networks across India and on slow mobile data thanks to our adaptive video pipeline.
▶ Watch The War with Grandpa NowWhy People Are Watching The War with Grandpa
The War with Grandpa flies under the radar but it deserves your attention. What makes it work is sharp comedic timing that lands consistently. If you enjoy English storytelling that doesn't follow the same tired beats, this is the kind of film you'll end up recommending to friends.
Frequently Asked Questions about The War with Grandpa
Where can I watch The War with Grandpa online for free?
You can watch The War with Grandpa online free on Bowood.TV. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How long is The War with Grandpa?
The War with Grandpa runs for 98 minutes (about 1.6 hours).
Is The War with Grandpa good? What's the rating?
The War with Grandpa holds a 6.4/10 rating based on 1,056 reviews — a solid pick if the genre interests you.
Who is in the cast of The War with Grandpa?
The main cast includes Robert De Niro, Uma Thurman, Rob Riggle, and Oakes Fegley, plus a strong supporting ensemble.
Is The War with Grandpa available in English?
Yes — The War with Grandpa was originally produced in English and that's the version you'll stream here on Bowood.TV.
When was The War with Grandpa released?
The War with Grandpa was released in 2020.
Do I need an account to watch The War with Grandpa on Bowood.TV?
No. Bowood.TV is free and you can watch The War with Grandpa without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Similar Movies You Might Like
If you enjoyed The War with Grandpa, check out Alvin and the Chipmunks: The Road Chip, The Girl and the Echo, The Reapers, Heathers, and La Carpète.
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Frequently Asked Questions
Common questions about The War with Grandpa
Where can I watch The War with Grandpa for free?
You can watch The War with Grandpa (2020) online for free on Bowood.TV. Just click "Watch Free" on this page to start streaming instantly — no account, subscription, or downloads required.
What is The War with Grandpa about?
The War with Grandpa is a Comedy/Family English-language film. 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.
When was The War with Grandpa released?
The War with Grandpa was released on August 27, 2020. It has a runtime of 1h 38m. The film was produced by Marro Films.
Who stars in The War with Grandpa?
The War with Grandpa stars Robert De Niro, Uma Thurman, Rob Riggle and Oakes Fegley. The full cast list is available in the Cast section above.
Is The War with Grandpa available in HD?
Yes, The War with Grandpa is available to stream in high definition (HD) on Bowood.TV. Our players automatically deliver the best quality your connection supports — no extra setup needed.