The Undeclared War: Episode list

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S1.E1 - Episode 1
Thursday, June 30, 2022

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.

7.8
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S1.E2 - Episode 2
Thursday, July 7, 2022

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.

7
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S1.E3 - Episode 3
Thursday, July 14, 2022

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

5.7
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S1.E4 - Episode 4
Thursday, July 21, 2022

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

6.5
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S1.E5 - Episode 5
Thursday, July 28, 2022

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.

6.5
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S1.E6 - Episode 6
Thursday, August 4, 2022

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?

7.5