

The Undeclared War
RETURNING
NetworkChannel 4
First AiredJun 30, 2022
Last AiredAug 4, 2022
GenreWar & Politics, Drama, Sci-Fi & Fantasy
Runtime47 min
Created ByPeter Kosminsky
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.
Cast

Hannah Khalique-Brown
Saara Parvan

Simon Pegg
Danny Patrick

Maisie Richardson-Sellers
Kathy Freeman

Edward Holcroft
James Cox

Adrian Lester
PM Andrew Makinde

Alex Jennings
David Neal

Hattie Morahan
Elizabeth Kahn

Ed Stoppard
Richard Marston
Seasons & Episodes2 seasons · 12 episodes
The elite Malware Department at GCHQ grapples with the aftermath of a devastating Russian cyber-attack. Just when it seems the UK has gained the upper hand, Danny and his team discover a mole in their midst and uncover a far more dangerous threat.
E1
E1Episode 1UPCOMING
Aug 27, 2026
E2
E2Episode 2
TBA
E3
E3Episode 3
TBA
E4
E4Episode 4
TBA
E5
E5Episode 5
TBA
E6
E6Episode 6
TBA
About The Undeclared War
The Undeclared War is a war & politics, drama, sci-fi & fantasy series on Channel 4. The show first aired on Jun 30, 2022 and currently has 2 seasons and 12 episodes. The Undeclared War has been renewed and is returning for more episodes. The next episode airs on Aug 27, 2026. It has a rating of 6.5/10 based on 72 votes. The cast includes Hannah Khalique-Brown, Simon Pegg, Maisie Richardson-Sellers, Edward Holcroft, Adrian Lester. Created by Peter Kosminsky.













