September is upon us, which means it’s time for BritBox to add a new selection of streaming content for users to enjoy.
Check out the complete list of the official BritBox additions for September 2026.
September 2026
September 3
Showtrial Season 1 | US Exclusive, New to Canada | 5 x 60’ | Released All at Once
When Talitha Campbell, the estranged daughter of a wealthy property developer, is charged with conspiring to murder fellow university student Hannah Ellis, the trial that follows places victim and accused – and their families – in the eye of a media storm.
Into that storm enters Cleo Roberts, the duty solicitor on the night of Talitha’s arrest. Refusing her father’s help, Talitha wants Cleo to lead her defense against a prosecution that is weaponizing Talitha’s gender and social privilege against her.
September 9
Monarch of the Glen Season 1 | New to BritBox | 8 x 50’ | Released All at Once
Archie Macdonald left the family home in Scotland’s Highlands nearly ten years ago and had no desire to go back. When news of a family crisis reaches him, however, he reluctantly heads up to crumbling Glenbogle Castle. But far from being at death’s door, as his mother had informed him, Archie’s father is not really ill at all.
Rather, it is the estate that has fallen to rack and ruin, and massive debts have mounted up. Forces beyond his control conspire to make Archie stay, at least long enough for him to try and save the estate of Glenbogle. Which, of course, could take a very long time.
Monarch of the Glen Season 2 | New to BritBox | 8 x 50’ | Released All at Once
Archie Macdonald has pledged himself to Glenbogle, his family castle in the Scottish Highlands, but now faces a titanic struggle to make the estate profitable. But rebellious tenants, local vendettas, and scheming golddiggers must be confronted as he strives to make Glenbogle a thriving tourist attraction.
And then, of course, there’s Hector, his unruly and mischievous father, who finds ever more elaborate ways to frustrate his son’s endeavors. London girlfriend Justine vies with his childhood friend Katrina and the ever hopeful Lexie for Archie’s affections.
Monarch of the Glen Season 3 | New to BritBox | 11 x 50’ | Released All at Once
Archie Macdonald remains pledged to Glenbogle, his family castle in the Scottish Highlands, but rebellious tenants, local vendettas, and scheming golddiggers must be confronted as he strives to make Glenbogle a thriving tourist attraction.
And then, of course, there’s Hector, his unruly and mischievous father, who finds ever more elaborate ways to frustrate his son’s endeavors.
September 10
Cooper and Fry Season 1 | North America Premiere, BritBox Exclusive | 8 x 45’ | Released 2x on Premiere, Then Weekly
Set in the mystery-shrouded Peak District, DC Ben Cooper (Robert James-Collier), an affable local to Edendale, is thrown together with DC Diane Fry (Mandip Gill), a guarded newcomer who has arrived from the city under mysterious circumstances.
September 16
Great Estates From Above Season 1 | North America Premiere, BritBox Exclusive | 4 x 60’ | Released All at Once
Narrated by Bessie Carter (Outrageous, Bridgeton), Great Estates from Above is a visually stunning history series that showcases Britain’s most magnificent country houses and palaces.
September 23
Call the Midwife Season 15 | *Canadian Release Only, Canadian Premiere, BritBox Exclusive | 8 x 60’ | Released Weekly
Uncertainty surrounds the future of Nonnatus House, with the team of midwives navigating shifting expectations in a rapidly modernizing world. The midwives encounter the Women’s Liberation Movement, complex medical cases such as premature birth, placenta previa, kidney cancer, tuberculosis, and even the lingering scars of slavery.
September 24
Showtrial Season 2 | North America Premiere, US Exclusive, New to Canada | 5 x 60’ | Released 2x on Premiere, Then Weekly
Notorious climate change activist Marcus Calderwood is a fierce advocate of direct, disruptive action and unapologetic about its consequences. As a result, he has as many hostile opponents as he does supporters. So when Marcus is left for dead in a roadside hit-and-run, foul play cannot be discounted.
The fact that a dying Marcus named a police officer as his assailant – one with a prior grudge against him – reinforces this suspicion. If Marcus’s death really was a cold-blooded murder, what motives lay behind it?
From the victim’s last breath to the jury’s final verdict, Showtrial’s layered characters and intriguing plot twists combine to create a compelling drama built around a key question: When a trial is dominated by divisive issues and public outrage, can justice ever be served?
September 28
Richard Osman’s House of Games Season 2 | New to BritBox | 50 x 30’ | Released All at Once
Richard Osman hosts the game show in which he sets a panel of four celebrity contestants a series of games and puzzles to test their general knowledge.
BBC SELECT MONTHLY LISTINGS
September 1
Inside the Mind of Agatha Christie | Available in North America | 1 x 60’
A close look into Agatha Christie’s inner world. Explore her vast archive of personal notebooks, expert interviews, and rare and personal testimony from her descendants to get into the mind of the greatest writer of our time.
Agatha Christie’s England | Available in North America | 1 x 60’
Explore the real-life magical places that inspired Agatha Christie’s stories, from the sleepy seaside chocolate box villages she lived in as a child to the luxury hotels and trains she visited as an adult.
September 3
Antiques Roadshow S49 | North America Premiere | 20 x 60’ | Released 2x On Premiere, Then Weekly
Amazing items, poignant stories, beautiful locations. Fiona Bruce and the experts uncover fascinating family and social history embodied in priceless, personal and peculiar items. The season premiere features unique access to Windsor Castle and personal items belonging to Queen Elizabeth II. *Please note this title has moved from its originally slated August 20, 2026 premiere date.
September 10
Seven Wonders of the Ancient World Season 1 | North America Premiere | 3 x 60’ | Released Weekly
Bettany Hughes begins her adventure in Egypt, visiting the remarkable Great Pyramid at Giza and discovering its hidden chambers before heading to the world’s first-ever skyscraper, the ingenious Lighthouse of Alexandria. Episodes include an augmented reality option that lets viewers virtually travel to moments in time to explore, learn, and see these sites.
The Secret Life of Rockpools | Available in North America | 1 x 50’
Paleontologist Richard Fortey discovers the hidden world of rock pools alongside leading marine biologists. From labs to UK coastlines, he explores the surprising behaviors and resilience of extraordinary intertidal creatures.
September 12
The Travel Show Season 9 | North America Premiere | 7 x 25’ | Released Weekly
Discover and experience the best destinations around the globe with the Travel Show team.
September 17
The Mystery of Dark Energy | Available in North America | 1 x 50’
An investigation of dark energy, the mysterious force that is unexpectedly causing the universe’s expansion to speed up. Its very existence calls into question Albert Einstein’s general theory of relativity, the cornerstone of modern physics.
September 24
Bill Bailey’s Vietnam Adventure Season 1 | North America Premiere | 6 x 60’ | Released All at Once
Bill Bailey travels to Vietnam on the 50th anniversary of the withdrawal of US forces from Saigon. Immersing himself in its rich culture, stunning landscapes and complex history, he uncovers what makes this fascinating country tick.
The Art of Turkish Tiles | Available in North America | 1 x 25’
Cultural historian Janina Ramirez unearths the story behind the ornate Turkish ceramics known as Iznik tiles. Captivating in their complexity, the tiles adorn some of Turkey’s most beautiful buildings and museums around the world.
September 29
The Secret Life of Trees Season 1 | *Now Available in Canada, Already Available in United States | 3 x 60’ | Released All at Once
A look at how trees communicate and care for each other; how they survive from seedling to mature giant, and what humans can learn from them.
