TV series
The Undeclared War
2022–2026, English, on Channel 4. Created by Peter Kosminsky.
The battle line is online
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 attempt to ward off a cyber-attack on the country’s electoral system.
- Seasons
- 2
- Episodes
- 12
- Episode length
- 47 min
- Status
- Ended in 2026
Popcorn Flick
Fun if you don’t overthink it.
6.3/10 from 105 TMDB viewer ratings.
Seen it? Give your verdict.
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Where to watch
Stream
JioHotstarAvailability in India. Streaming data by JustWatch.
Latest episode
S2 E6: Episode 6
Aired 5 August 2026
Seasons 2
Cast & crew
- Peter KosminskyCreator
- Hannah Khalique-BrownSaara Parvan · 12 ep
- Simon PeggDanny Patrick · 12 ep
- Maisie Richardson-SellersKathy Freeman · 12 ep
- Adrian LesterPM Andrew Makinde · 12 ep
- Edward HolcroftJames Cox · 6 ep
- Alex JenningsDavid Neal · 6 ep
- Hattie MorahanElizabeth Kahn · 6 ep
- Ed StoppardRichard Marston · 6 ep
- Sian BrookeBarbara Patrick · 6 ep
- Joss PorterPhil D · 6 ep
- Tom McKayMax K · 5 ep
- German SegalVadim Trusov · 5 ep
Details
- First aired
- 30 June 2022
- Last aired
- 5 August 2026
- Network
- Channel 4
- Language
- English
- Country
- United Kingdom
- Type
- Scripted
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The Undeclared War: quick answers
Is The Undeclared War worth watching?
Our verdict is Popcorn Flick: Fun if you don’t overthink it. It scores 6.3/10 from 105 TMDB viewer ratings.
How many seasons of The Undeclared War are there?
The Undeclared War has 2 seasons and 12 episodes, about 47 minutes each.
Is The Undeclared War finished?
Yes. The Undeclared War ended in 2026, so you can watch the whole story.
Where can I watch The Undeclared War?
The Undeclared War is streaming on JioHotstar.
Is The Undeclared War suitable for kids?
No age rating is listed for The Undeclared War yet.
What shows are like The Undeclared War?
If you liked The Undeclared War, try Years and Years, Zero Day, Homeland.
Who created The Undeclared War?
The Undeclared War was created by Peter Kosminsky and stars Hannah Khalique-Brown, Simon Pegg, Maisie Richardson-Sellers.