The Undeclared War
“The battle line is online”
Where to watch The Undeclared War in Brazil
The Undeclared War is streaming on Claro video and Claro tv+ in Brazil. Availability checked 24 May 2026.
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 1 season and 6 episodes, and originally aired on Channel 4. It holds an average rating of 6.5/10 from 71 viewers. Below you can see where to watch The Undeclared War in Brazil — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.
The Undeclared War trailer
Overview
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 (1)
- Season 16 episodes · 2022
Top cast
Themes & keywords
Frequently asked questions
Where can I watch The Undeclared War in Brazil?+
In Brazil, you can stream The Undeclared War on Claro video and Claro tv+.
Is The Undeclared War on Netflix?+
The Undeclared War is not on Netflix in Brazil right now, but you can stream it on Claro video and Claro tv+.
How many seasons of The Undeclared War are there?+
The Undeclared War has 1 season 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
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