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FULL SEASON · PEACOCK
The Undeclared War

Season 2 · Episodes 1–6

Landed Tue, 21 Jul 2026 · 16:00 your time · 6 episodes · 4h 41m

Season 2 of The Undeclared War landed Tuesday, 21 July 2026 at 9pm UK time on Channel 4, all 6 episodes at once.

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EPISODES0 of 6 watched
  1. S02E01Episode 148mDanny is under huge pressure dealing with the fallout from the Russian cyber-attack when a bold new threat emerges. Saara discovers that there's a mole in GCHQ. And Vadim is missing and in danger...
  2. S02E02Episode 247mVadim realises that he must try to escape captivity in Shenzhen. Back at GCHQ, Danny and Roz clash over China. And has Charlie unearthed the mole?
  3. S02E03Episode 348mWhen Barbara's charming ex-boyfriend, Nicky Chan, re-appears in her life, she must make an impossible decision.
  4. S02E04Episode 448mWhile Danny becomes increasingly concerned about Barbara's erratic behaviour, malware causes havoc across British government departments, forcing Danny and Roz to work together.
  5. S02E05Episode 543mBarbara comes under Charlie's scrutiny as tragedy strikes GCHQ. Danny, Saara and Roz attempt to help Vadim escape. And Danny makes an earth-shattering discovery.
  6. S02E06Episode 647mDanny puts everything on the line in order to right some wrongs. Meanwhile, Roz and the team must race against the clock to find out what the malware is searching for.
The Undeclared War poster
The Undeclared War
2 seasons · 12 episodes · airing
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Streaming on Peacock in United States.

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