The Undeclared War
“The battle line is online”
The Undeclared War is streaming on Peacock Premium and Peacock Premium Plus in United States. Availability checked 9 June 2026.
Where to watch The Undeclared War
🇺🇸 United States
Good to know
- Creator
- Peter Kosminsky
- Release date
- 2022-06-30
- Runtime
- 47m
- Language
- English
- Seasons
- 2
- Episodes
- 6
- Network
- Channel 4
- Status
- Returning Series
- Country
- United Kingdom
- Studio
- Playground Entertainment
The Undeclared War — trailer
About The Undeclared War
The Undeclared War is a 2022 web series in the War & Politics, Drama and Sci-Fi & Fantasy genres, created by Peter Kosminsky, starring Hannah Khalique-Brown, Simon Pegg and Maisie Richardson-Sellers. It spans 2 seasons and 6 episodes, and originally aired on Channel 4. It holds an average rating of 6.5/10 from 72 viewers. Below you can see where to watch The Undeclared War in United States — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.
Synopsis
In the post-pandemic world of 2024 during an upcoming British general election involving the UK’s first Black Conservative prime minister, a leading team of analysts at the heart of the UK’s NSA-style spy agency GCHQ attempt to ward off a cyber-attack on the country’s electoral system.
Seasons (2)
Cast
Themes & keywords
Frequently asked questions
Where can I watch The Undeclared War in United States?+
In United States, you can stream The Undeclared War on Peacock Premium and Peacock Premium Plus.
Is The Undeclared War on Netflix?+
The Undeclared War is not on Netflix in United States right now, but you can stream it on Peacock Premium and Peacock Premium Plus.
How many seasons of The Undeclared War are there?+
The Undeclared War has 2 seasons and 6 episodes in total.
Who stars in The Undeclared War?+
The Undeclared War stars Hannah Khalique-Brown, Simon Pegg, Maisie Richardson-Sellers, Edward Holcroft and Adrian Lester.
When did The Undeclared War come out?+
The Undeclared War is a 2022 web series created by Peter Kosminsky.
What genre is The Undeclared War?+
The Undeclared War is War & Politics, Drama and Sci-Fi & Fantasy series.
Who created The Undeclared War?+
The Undeclared War was created by Peter Kosminsky.
User reviews
No reviews yet — be the first to review The Undeclared War.
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