TV series · Where to watch
The Undeclared War
The Undeclared War is available on 2 US streaming services. Rights move between services without warning, so this page rebuilds daily from the same data the GuideStream TV app uses.
In a near-future Britain preparing for a general election, a young analyst joins the country’s signals intelligence agency just as a major cyber-attack threatens the electoral system. The team must navigate escalating danger, political pressure, and uncertainty while trying to protect national security and public trust.
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