
Episodes

1. Episode 1
30 Jun 2022 · 47 min · 3.6/10
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 Jul 2022 · 47 min · 2.7/10
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
14 Jul 2022 · 56 min · 2.4/10
Vadim returns to Russia where his allegiances are tested, leading him to a risky stunt.

4. Episode 4
21 Jul 2022 · 47 min · 2.3/10
With Saara in a difficult position, a revelation forces her hand. Marina moves to London.

5. Episode 5
28 Jul 2022 · 47 min · 2.3/10
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
4 Aug 2022 · 47 min · 3.1/10
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?
The Undeclared War Series 1: quick answers
How many episodes are in The Undeclared War Series 1?
Series 1 of The Undeclared War has 6 episodes, about 5 hours in total.
When did The Undeclared War Series 1 come out?
Series 1 premiered on 30 Jun 2022.
What is the best episode of The Undeclared War Series 1?
By viewer score, episode 1, “Episode 1”, at 3.6/10.