The Undeclared War poster
Where to stream

The Undeclared War

6.320222 seasonsTV SeriesWar & PoliticsDramaSci-Fi & Fantasy

In the post-pandemic world of 2024 during an upcoming British general election involving the UK’s first Black Conservative prime minister, a leading team of analysts at the heart of the UK’s NSA-style spy agency GCHQ attempt to ward off a cyber-attack on the country’s electoral system.

Where to watch

HBO MaxHBO Max
Availability shown for Philippines · rights vary by country

Seasons & Episodes

E1
Episode 1
Jul 21, 2026 1.0
E2
Episode 2
Jul 22, 2026 1.0
E3
Episode 3
Jul 28, 2026 1.0
E4
Episode 4
Jul 29, 2026 1.0
E5
Episode 5
Aug 4, 2026 1.0
E6
Episode 6
Aug 5, 2026 1.0

Cast

HKHannah Khalique-Brown
Hannah Khalique-Brown
Saara Parvan
SPSimon Pegg
Simon Pegg
Danny Patrick
MRMaisie Richardson-Sellers
Maisie Richardson-Sellers
Kathy Freeman
ALAdrian Lester
Adrian Lester
PM Andrew Makinde
SBSian Brooke
Sian Brooke
Barbara Patrick

More from Hannah Khalique-Brown · Lead actress

Dune: Prophecy
Dune: Prophecy
2024 · 7.2
Barbie
Barbie
2023 · 6.9
Black Doves
Black Doves
2024 · 7.1
Wolf Hall
Wolf Hall
2015 · 7.5
The Batman: Part II
The Batman: Part II
2028
Year 10
Year 10
2024 · 6.3
Nearly Never
Nearly Never
See all fromHannah Khalique-Brown

More from Simon Pegg · Co-star actor

Doctor Who
Doctor Who
2005 · 7.6
The Boys
The Boys
2019 · 8.4
Star Wars: The Clone Wars
Star Wars: The Clone Wars
2008 · 8.5
Phineas and Ferb
Phineas and Ferb
2007 · 7.9
Robot Chicken
Robot Chicken
2005 · 7.6
Band of Brothers
Band of Brothers
2001 · 8.6
Archer
Archer
2009 · 7.9
The Dark Crystal: Age of Resistance
The Dark Crystal: Age of Resistance
2019 · 7.8
Mission: Impossible - The Final Reckoning
Mission: Impossible - The Final Reckoning
2025 · 7.2
Icons
Icons
2002 · 8.0
See all fromSimon Pegg

More like this

Secret Service
Secret Service
2026 · 6.7
Zero Day
Zero Day
2025 · 7.0
Homeland
Homeland
2011 · 7.6
Counterpart
Counterpart
2017 · 7.5
A Spy Among Friends
A Spy Among Friends
2022 · 6.5
Roadkill
Roadkill
2020 · 6.4
The Ipcress File
The Ipcress File
2022 · 7.1
Colony
Colony
2016 · 6.9
Ultimate Force
Ultimate Force
2002 · 6.6
Bodyguard
Bodyguard
2018 · 7.8
Traitors
Traitors
2019 · 6.1
Believe
Believe
2014 · 6.8

The Undeclared War — streaming FAQ

Which OTT platform streams The Undeclared War?

The Undeclared War is streaming on HBO Max in Philippines. It's not currently on Netflix.

Is The Undeclared War on Netflix?

No, The Undeclared War is not on Netflix in Philippines as of September 2026. It's currently on HBO Max.

Is The Undeclared War on Amazon Prime Video?

No, The Undeclared War isn't on Amazon Prime Video in Philippines right now. It's on HBO Max instead.

Where can I watch The Undeclared War for free?

The Undeclared War is available on HBO Max in Philippines, but you'll need an active subscription — there's no free option right now.

How many seasons are in The Undeclared War?

The Undeclared War has 2 seasons in total (12 episodes). The series concluded in 2026.

Are all episodes of The Undeclared War out yet?

Yes — all 12 episodes across 2 seasons of The Undeclared War are out and available to stream.

Is there a Season 3 of The Undeclared War?

No — The Undeclared War ended after 2 seasons, so there is no Season 3.