The Undeclared War - Season 2

First aired: 7/21/2026 6 episodes

The elite Malware Department at GCHQ grapples with the aftermath of a devastating Russian cyber-attack. Just when it seems the UK has gained the upper hand, Danny and his team discover a mole in their midst and uncover a far more dangerous threat.

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Episodes

1. Episode 1

Aired: 7/21/2026

At GCHQ, Danny's under pressure dealing with the fallout from the Russian cyber-attack when a bold new threat emerges.

2. Episode 2

Aired: 7/22/2026

Vadim finds himself working in captivity for the Chinese. At GCHQ, Danny and Roz clash over China, and the mole hunt continues...

3. Episode 3

Aired: 7/28/2026

When Barbara's charming ex-boyfriend, Nicky Chan, re-appears in her life, she is forced to make an impossible decision.

4. Episode 4

Aired: 7/29/2026

5. Episode 5

Aired: 8/4/2026

6. Episode 6

Aired: 8/5/2026