The highlight for BritBox in October is the second season of Karen Pirie, a BritBox exclusive series based on the books by Val McDermid, starring Lauren Lyle as Detective Sergeant Karen Pirie.

New additions to the streaming service in October also include Planet Earth II, The Relucant Landlord (Season 1 & Season 2), as well as the first season of the Helen Mirren series, Catherine the Great.

Check out the list of movies, series and specials coming to BritBox in October 2025 below. In the comments section, let me know which ones you are the most excited to watch.


OCTOBER 3

  • QI: Season 19 [New Series]

OCTOBER 7

Planet Earth II [New Series]

Play

From remote islands and towering mountains to bustling cities and arid deserts, Planet Earth II captures the drama and beauty of the natural world with breathtaking cinematography and cutting-edge technology. Narrated by iconic British host David Attenborough (Life on Earth), each episode immerses viewers in the lives of extraordinary animals, revealing their struggles, triumphs, and surprising behaviours in stunning detail. Featuring a stirring score by Hans Zimmer and produced by the BBC Natural History Unit, this six-part series redefines wildlife storytelling and celebrates the planet’s resilience and wonder.

OCTOBER 10

Karen Pirie: Season 2 [New & Exclusive To BritBox]

Play

Lauren Lyle (Outlander, Vigil) reprises her role as the sharp and unflinching Detective Sergeant Karen Pirie in this critically acclaimed crime drama based on Val McDermid’s best-selling novels. Season two sees DS Pirie tackling a new historical murder investigation when the remains of a missing teenager are discovered in the Highlands, reigniting a decades-old mystery. As she digs into the past, Karen must confront buried secrets, local legends, and a community reluctant to relive its darkest hour, all while navigating the pressures of a high-profile case and her own rising reputation.

OCTOBER 14

Secret World of Guide Dogs with Martin Clunes [New Series]

Play

Martin Clunes (Doc Martin, Manhunt, Out There) adopts retired guide dog Laura from blind fitness guru Jaina Mistry. While she hunts for a replacement, Martin discovers how great guide dogs are created, from the first four guide dogs ever in 1931 to how the process works now at Britain’s best-loved charity. Getting each dog ready for the daunting role is a serious and challenging responsibility and this film follows all of the ups and downs along the way.

OCTOBER 16

The Reluctant Landlord: Season 1 & Season 2 [New Series]

Play

OCTOBER 21

Secrets of Skin [New Series]

OCTOBER 22

Catherine The Great: Season 1 [New Series]

Play

Helen Mirren (The Queen, Prime Suspect) leads as the powerful and politically shrewd Catherine the Great in this critically acclaimed four-part miniseries. Set during the final years of her reign, the series follows Catherine’s passionate and complex relationship with military leader Grigory Potemkin (Jason Clarke) as the two navigate scandal, war, and the ruthless politics of the Russian court. With sweeping cinematography and opulent production design, Catherine the Great explores the legacy of a woman who defied convention and reshaped an empire.

OCTOBER 28

Windsor Castle [New Series]

Renowned as a royal residence, Windsor Castle stands as one of the most iconic landmarks globally and continues to serve as the official home of King Charles. Raksha Dave (The Vikings), JJ Chalmers (Dunkirk: Mission Impossible), and Xand van Tulleken (Operation Ouch!) guide viewers through the working palace, drawing on archives, artefacts, and expert insights. In this six-part series, the trio explores the castle’s fascinating past. From the Tudors to the present day, each episode uncovers the stories of a different royal dynasty and the enduring traditions that still shape life at Windsor Castle.


Check out ourNow Streamingpage to discover what else is available to stream on Binge, Netflix, Stan, and more in Australia.

[Descriptions provided by BritBox]