episode 1 episode 21 - Latest News & Reviews

SummaryOn the first day of work at GCHQ, 21-year-old intern Saara (Hannah Khalique-Brown) sees the beginnings of a cyber war between Russia and the UK in the British thriller series created by Peter Kosminsky. [Premiered originally in the UK on Channel 4 on 30 Jun 2022 and in the US on Peacock on 18 Aug 2022]

Directed By:Paul McGuigan

Written By:Colin Teevan

❮ The Undeclared War

S2 • Episode 1

Episode #2.1

Air Date:

Jul 21, 2026

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Episode 1 • Jul 21, 2026 • 49 m

Danny navigates the aftermath of a devastating Russian cyber-attack when an unexpected danger surfaces, forcing him to confront multiple crises simultaneously.

Episode 2 • Jul 21, 2026 • 48 m

Vadim knows he needs to break free from captivity in Shenzhen. At GCHQ, Danny and Roz argue about China. Has Charlie found the mole?

Episode 3 • Jul 21, 2026 • 49 m

Barbara faces an impossible choice when her charming ex-boyfriend, Nicky Chan, returns to her life.

Episode 4 • Jul 21, 2026 • 49 m

Danny grows worried about Barbara's unstable behavior while malware wreaks havoc on British government systems, compelling Danny and Roz to collaborate.

Episode 5 • Jul 21, 2026 • 43 m

Barbara faces Charlie's scrutiny after a tragedy at GCHQ. Danny, Saara, and Roz try to help Vadim escape, while Danny uncovers a shocking revelation.

Episode 6 • Jul 21, 2026 • 48 m

Danny risks it all to make things right. Roz and the team race against time to discover the malware's target.

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