How many seasons does The Undeclared War have?

The Undeclared War has 2 seasons and 12 episodes.

Is The Undeclared War renewed or canceled?

The Undeclared War is currently returning. The next episode airs Aug 27, 2026.

Where can I watch The Undeclared War?

The Undeclared War is available on Channel 4. You can stream it on Peacock Premium, Peacock Premium Plus.

When is the next episode of The Undeclared War?

The next episode of The Undeclared War (S2 E1) airs on Aug 27, 2026.

The Undeclared War

Name: The Undeclared War
Genre: War & Politics, Drama, Sci-Fi & Fantasy
Released: 2022-06-30
Rating: 6.5
Cast: Hannah Khalique-Brown, Simon Pegg, Maisie Richardson-Sellers, Edward Holcroft, Adrian Lester

RETURNING2 Seasons12 Episodes★ 6.5

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.

NEXT EPISODE

S2 E1Episode 1Aug 27, 202672d

WHERE TO WATCH

Peacock Premium

Peacock Premium Plus

Data via JustWatch / TMDB

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.

E1Episode 1UPCOMING

Aug 27, 2026

E2Episode 2

TBA

E3Episode 3

TBA

E4Episode 4

TBA

E5Episode 5

TBA

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.