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The Best Episodes of The Undeclared War Season 1

Every episode of The Undeclared War Season 1 ranked from best to worst. Discover the Best Episodes of The Undeclared War Season 1!

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

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

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

    #3 - 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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  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 6 - Episode 6
    7.4/10(262 votes)

    #6 - 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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    The 20 BEST Episodes of The Undeclared War

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Season 1 Ratings Summary

"Episode 1" is the best rated episode of "The Undeclared War" season 1. It scored 7.2/10 based on 315 votes. Directed by Peter Kosminsky and written by Adam Patterson, Declan Lawn, Peter Kosminsky, Amelia Spencer, it aired on 6/30/2022. This episode is rated 0.1 points higher than the second-best, "Episode 2".