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The Undeclared War Season 1 poster

The Undeclared War Season 1 Episode release dates & where to watch

Premiered

Thursday, June 30, 2022

Ended: Thursday, August 4, 2022

When does The Undeclared War Season 1 come out?

The Undeclared War Season 1 premiered Thursday, June 30, 2022 on Channel 4 and ended Thursday, August 4, 2022. The season has 6 episodes.

Last updated

The Undeclared War Season 1 release schedule

The Undeclared War Season 1 episode release dates
Episode Release date

1. Episode 1

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.

Thursday · 4 years ago

2. Episode 2

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.

Thursday · 4 years ago

3. Episode 3

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

Thursday · 4 years ago

4. Episode 4

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

Thursday · 4 years ago

5. Episode 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.

Thursday · 4 years ago

6. Episode 6 Finale

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?

Thursday · 4 years ago

The Undeclared War Season 1 guest stars

  • Mark Rylance

    Mark Rylance

    John Yeabsley

  • Julie Barclay

    Julie Barclay

    Sally J

  • Kirsty Hoiles

    Kirsty Hoiles

    Caroline Fitch

  • Nitin Ganatra

    Nitin Ganatra

    Ahmed Parvin

  • Gavi Singh Chera

    Gavi Singh Chera

    Sajid Parvin

  • Robert Cavanah

    Campbell Scott

  • Alfie Friedman

    Gabriel Davies

  • Melanie Gutteridge

    Melanie Gutteridge

    Chrissie

  • Aysha Kala

    Aysha Kala

    Amina Parvin

  • Jamie Muscato

    Jamie Muscato

    Finn

  • Andrew Rothney

    Andrew Rothney

    Rich T

  • Rick Bithell

    ITN Reporter

  • Nik Howden

    Adjudicator

  • Zaqi Ismail

    Zaqi Ismail

    Zahir

  • Tom McKay

    Tom McKay

    Max K

  • Joss Porter

    Joss Porter

    Phil D

The Undeclared War Season 1 FAQ

When does The Undeclared War Season 1 come out?

The Undeclared War Season 1 premiered Thursday, June 30, 2022 on Channel 4.

How many episodes are in The Undeclared War Season 1?

The Undeclared War Season 1 has 6 episodes.

Are new episodes of The Undeclared War Season 1 released weekly?

New episodes are released weekly.

When is the The Undeclared War Season 1 finale?

The The Undeclared War Season 1 finale (Episode 6) aired Thursday, August 4, 2022.

How do I get notified when new The Undeclared War Season 1 episodes are released?

Download the Streambay app and follow The Undeclared War. You'll get a push notification the moment each new episode is out.

Never miss The Undeclared War Season 1.

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