The Undeclared War
HDWatch Full Episodes of The Undeclared War
A new intern at GCHQ breaks ranks to investigate a major malware attack on the UK.
Episode 2Saara and Kathy decrypt an anonymous invitation to a conference attended by Russian intelligence.
Episode 3Vadim takes a covert job to assert his independence, and allegiances are soon put to the test.
Episode 4Saara cannot betray her source, but Kathy has information that will force her hand.
Episode 5Amid civil unrest, Saara is devastated to learn the identity of a mole inside GCHQ.
Episode 6Saara and Vadim join forces to uncover the hidden code and try to prevent a war.
- About this Series
- In post-pandemic 2024 in the run-up to a British general election, a team of analysts must ward off a cyberattack on the country’s electoral system.
- HD
- CastAlfie Friedman, Brendan Purcell, Yanina Hope
- GenreDrama
- Seasons1
- StudioNBC Peacock
Related Clips
You May Also Like
Pick a Plan. Cancel Anytime.
Premium
Watch TV, movies, sports & more, with ads.
TV Favorites from NBC, Bravo, & More
LIVE Sports & Events
Hit Films & Peacock Originals
If you have an annual plan, this subscription will start after your current plan ends.MONTHLY
ANNUAL
Get 12 Months for the Price of 10
Premium Plus
Watch TV, movies, sports & more, with no ads (limited exclusions)*
TV Favorites from NBC, Bravo, & More
LIVE Sports & Events
Hit Films & Peacock Originals
Downloads & No Ads (limited exclusions)*
If you have an annual plan, this subscription will start after your current plan ends.MONTHLY
ANNUAL
Get 12 Months for the Price of 10
*Certain pages are sponsored, and some programming will still contain ads (channels, live sports and events, and a few shows and movies). Some titles available to watch offline.
New & Coming Soon on Peacock
The Traitors
Emmy® Award-winning series The Traitors is a nail-biting psychological adventure in which treachery and deceit are the name of the game.
Wicked: For Good
In the epic conclusion to the story of the witches of Oz, Elphaba and Glinda must reunite if they are to change themselves—and all of Oz—for good.
The 'Burbs
When a mysterious man moves in across the street, a young couple and their quirky neighbors uncover dark secrets about their quiet suburban town.
The Fall and Rise of Reggie Dinkins
From the team behind 30 Rock comes an all-new comedy about a disgraced ex-football star and washed-up filmmaker trying to make their epic comeback.
Frequently Asked Questions
How can I watch The Undeclared War?- Download the Peacock app and start streaming full episodes of The Undeclared War. View the full list of supported devices.
- Where can I watch The Undeclared War?
- You can watch The Undeclared War on Peacock. Just sign up and stream every episode.
- How many seasons of The Undeclared War are there?
- There is currently 1 season of The Undeclared War available for streaming on Peacock.