“The battle line is online”
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The Undeclared War (2022) – Official Series Trailer, Cast & Seasons
The Undeclared War at a Glance
The Undeclared War is a 2022 war & politics, drama and sci-fi & fantasy TV series from creator Peter Kosminsky, starring Hannah Khalique-Brown, Simon Pegg and Maisie Richardson-Sellers. It premiered on June 30, 2022 on Channel 4 and has 2 seasons and 12 episodes. The series has ended, with its last episode airing on August 5, 2026, and it holds an average TMDB user score of 6.3/10 from 103 votes.
Watch the official The Undeclared War trailer for free in 123Movies below.
1080p HD • Free YouTube Stream
Seasons & Episode Catalog (2)
Series 1
6 Episodes • 2022
Series 2
6 Episodes • 2026
Where “The Undeclared War” Fits in the 123Movies Catalog
Frequently Asked Questions About The Undeclared War
When did The Undeclared War premiere?
The Undeclared War premiered on June 30, 2022 on Channel 4.
How many seasons does The Undeclared War have?
The Undeclared War has 2 seasons with 12 episodes in total, according to TMDB.
Has The Undeclared War ended?
Yes. The Undeclared War has ended. Its final episode aired on August 5, 2026.
Who is in the cast of The Undeclared War?
The Undeclared War stars Hannah Khalique-Brown as Saara Parvan, Simon Pegg as Danny Patrick, Maisie Richardson-Sellers as Kathy Freeman and Adrian Lester as PM Andrew Makinde. The cast also includes Sian Brooke.
Who created The Undeclared War?
The Undeclared War was created by Peter Kosminsky.
What network is The Undeclared War on?
The Undeclared War aired on Channel 4.
How long are The Undeclared War episodes?
Episodes of The Undeclared War run about 47 minutes, according to TMDB.
What kind of show is The Undeclared War?
The Undeclared War is listed on TMDB as a mix of war & politics, drama and sci-fi & fantasy.
What is the TMDB score of The Undeclared War?
On TMDB it has an average user score of 6.3/10 from 103 votes.
Where can I watch the The Undeclared War trailer?
You can watch the official trailer for The Undeclared War, "The Undeclared War | Official Trailer | Peacock Original", for free on this 123Movies page. It is embedded from YouTube.
What should I watch if I liked The Undeclared War?
Series TMDB recommends alongside The Undeclared War include Secret Service (2026), Zero Day (2025), Homeland (2011), A Spy Among Friends (2022) and Counterpart (2017).
Can I watch full episodes of The Undeclared War on 123Movies?
No. 123Movies only shows official trailers and series information. Full episodes are not hosted or linked on this site.
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