Channel 4 2022 - 2026 2 seasons 12 eps 18+ Ended

The Undeclared War

2022 - 2026 2 seasons 12 eps 18+

6.8

Season 2

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Season 1

Season 2

48 min

S2 · E1 · Jul 21, 2026

As Danny deals with the fallout from the Russian cyber-attack, a bold new threat emerges.

5.8 · You

47 min

S2 · E2 · Jul 22, 2026

Vadim finds himself working for the Chinese. Danny and Roz clash, and the mole hunt is on.

5.8 · You

48 min

S2 · E3 · Jul 28, 2026

Barbara faces an impossible decision when her charming ex-boyfriend Nicky Chan re-appears.

5.8 · You

48 min

S2 · E4 · Jul 29, 2026

A malware attack on British government departments forces Danny and Roz to work together.

6.1 · You

43 min

S2 · E5 · Aug 4, 2026

Charlie interrogates Barbara, and Danny discovers a clue that turns his life upside down.

6.5 · You

47 min

S2 · E6 · Aug 5, 2026

Danny puts everything on the line in order to right some wrongs.

6.7 · You

6 episodes in Season 2

Some details come from TheTVDB.