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The Best Episodes of The Undeclared War

Every episode of The Undeclared War ranked from best to worst. Let's dive into the Best Episodes of The Undeclared War!

Binge this in 4h 51m•Peaking at 7.4/10

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

Airs on
Channel 4
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Episode Rankings

  1. #1 Fan Favorite
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    The Undeclared War Season 1 Episode 3 - Episode 3
    7.4/10(246 votes)

    #1 - Episode 3

    S1:E3

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

    Director:Unknown
    Writer:Unknown

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  2. The Undeclared War Season 1 Episode 6 - Episode 6
    7.4/10(262 votes)

    #2 - Episode 6

    S1:E6

    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?

    Director:Unknown
    Writer:Unknown

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  3. The Undeclared War Season 1 Episode 2 - Episode 2
    7.3/10(263 votes)

    #3 - Episode 2

    S1:E2

    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.

    Director:Unknown
    Writer:Unknown

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  4. The Undeclared War Season 1 Episode 4 - Episode 4
    7.3/10(214 votes)

    #4 - Episode 4

    S1:E4

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

    Director:Unknown
    Writer:Unknown

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  5. The Undeclared War Season 1 Episode 5 - Episode 5
    7.3/10(207 votes)

    #5 - Episode 5

    S1:E5

    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.

    Director:Unknown
    Writer:Unknown

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  6. The Undeclared War Season 1 Episode 1 - Episode 1
    7.2/10(315 votes)

    #6 - Episode 1

    S1:E1

    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.

    Director:Peter Kosminsky
    Writers:Adam Patterson, Declan Lawn, Peter Kosminsky, Amelia Spencer

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    7. Trending NowTRENDING NOW

    The 20 WORST Episodes of The Undeclared War

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Best Episodes Summary

"Episode 3" is the best rated episode of "The Undeclared War". It scored 7.4/10 based on 246 votes. Directed by Unknown and written by Unknown, it aired on 7/14/2022. This episode scored 0.0 points higher than the second highest rated, "Episode 6".