The Undeclared War

6.4

2022•47m

Production

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.

Trailers & Videos

The Undeclared War | Official Trailer | Peacock Original

The Undeclared War - Channel4 trailer

Seasons

6 Episodes • Premiered 2022

1. Episode 1

7.8

A 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.

2. Episode 2

7.0

Saara 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.

3. Episode 3

5.7

Vadim returns to Russia where his allegiances are tested, leading him to a risky stunt.

4. Episode 4

6.5

With Saara in a difficult position, a revelation forces her hand. Marina moves to London.

5. Episode 5

6.5

Signs 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.

6. Episode 6

7.5

As 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?