Playback is currently unavailable for S1 E1 · Episode 1. Episode details remain available below.
The Undeclared War
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
- Cast:
- Hannah Khalique-Brown, Simon Pegg, Maisie Richardson-Sellers, Adrian Lester
- Language:
- English
- Country:
- United Kingdom, United States of America
- Network:
- Channel 4
Episode guide
Seasons
Series 1
Episodes
E01
Episode 1
★ 3.6Episode 1
2022-06-30 · 47mA young intern's first day at GCHQ coincides with a major cyberattack on the UK. To win her superiors' trust, she breaks ranks to analyse the malware code without permission and uncovers a greater threat missed by others.
Current episode
E02
Episode 2
★ 2.7Episode 2
2022-07-07 · 47mSaara befriends John, a veteran GCHQ staffer, and seeks help from Gabriel in decrypting a message in the virus. Danny signs off on Saara attending a cyber conference with US agent Kathy, aware that Russian intelligence will also be there.
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E03
Episode 3
★ 2.4Episode 3
2022-07-14 · 56mVadim returns to Russia where his allegiances are tested, leading him to a risky stunt.
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E04
Episode 4
★ 2.3Episode 4
2022-07-21 · 47mWith Saara in a difficult position, a revelation forces her hand. Marina moves to London.
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E05
Episode 5
★ 2.3Episode 5
2022-07-28 · 47mSigns of irregularity in the UK general election result prompt political unrest, and the nation's relationship with its allies is threatened. Saara makes a devastating discovery.
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E06
Episode 6
★ 3.1Episode 6
2022-08-04 · 47mAs the true extent of Russia's interference with the UK becomes clear, Saara and her former classmate join forces. Can they uncover the hidden code and prevent a war?
Watch progress · Not trackedCast
Hannah Khalique-Brown
Saara Parvan
Simon Pegg
Danny Patrick
Maisie Richardson-Sellers
Kathy Freeman
Adrian Lester
PM Andrew Makinde
Sian Brooke
Barbara Patrick