War & PoliticsDramaSci-Fi & FantasyChannel 4

The Best Episodes of The Undeclared War Season 2

Every episode of The Undeclared War Season 2 ranked from best to worst. Discover the Best Episodes of The Undeclared War Season 2!

Binge this in 4h 41m·Peaking at 7.9/10
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons2

All12

Episode Rankings

  1. #1 Fan Favorite
    The Undeclared War Season 2 Episode 6 - Episode 6
    7.9/10(126 votes)

    S2:E6

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  2. The Undeclared War Season 2 Episode 5 - Episode 5
    7.5/10(117 votes)

    S2:E5

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  3. The Undeclared War Season 2 Episode 4 - Episode 4
    7.4/10(130 votes)

    S2:E4

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  4. The Undeclared War Season 2 Episode 1 - Episode 1
    7.1/10(162 votes)

    S2:E1

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  5. The Undeclared War Season 2 Episode 2 - Episode 2
    7.0/10(133 votes)

    S2:E2

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  6. The Undeclared War Season 2 Episode 3 - Episode 3
    7.0/10(137 votes)

    S2:E3

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

    7. Trending NowTRENDING NOW

    The 20 BEST Episodes of The Undeclared War

    READ

Season 2 Ratings Summary

"Episode 6" is the best rated episode of The Undeclared War season 2. It scored 7.9/10 from 126 votes. Written and directed by Unknown, it aired on August 5, 2026. This episode is rated 0.4 points higher than the second-best, "Episode 5".