The Undeclared War_
"The battle line is online"
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.
Created By
Peter Kosminsky
Network
Channel 4
Episodes
6
Updated Feb 16, 2026
WHERE TO WATCH
No streaming data available yet.
Check availabilityDROPTHE_ GOSSIP
Overview
The Undeclared War has 1 season with 6 episodes spanning 2022.
Hannah Khalique-Brown →
Year context
The Undeclared War first aired 4 years ago in 2022.
CAST (8)
SEASONS (1 season, 6 episodes)
SEASON 1
SERIES INFO
1
Seasons
6
Episodes
Ended
Status
CREW
Creator
Peter Kosminsky
NETWORKS (1)
Channel 4
DETAILS
FREQUENTLY ASKED QUESTIONS
What is The Undeclared War about?
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.
How many seasons does The Undeclared War have?
The Undeclared War has 1 season with 6 episodes total.
Who created The Undeclared War?
The Undeclared War was created by Peter Kosminsky.
Who stars in The Undeclared War?
The cast of The Undeclared War includes Hannah Khalique-Brown, Simon Pegg, Maisie Richardson-Sellers, Edward Holcroft, Adrian Lester.
What is the rating of The Undeclared War?
The Undeclared War has a rating of 6.4 out of 10 based on 67 votes on TMDB.
Is The Undeclared War still running?
The Undeclared War has ended. The final episode aired on .
GENRES (3)
War & Politics
Drama
Sci-Fi & Fantasy
