BritBox is the best streamer for all things British television.
From mysteries to crime dramas, the streamer is the world’s best way to watch the very best Great Britain — and the rest of the United Kingdom — has to offer.
August 2025 promises to be BritBox’s best month yet, with several high-profile debuts scheduled for later in the month.
From the searing drama Happy Valley to the moody suspense series Dublin Murders, these shows are guaranteed to give you a good time — and may send a shiver or two down your spine.
Watch With Us has compiled a list of all the new additions to BritBox below.
August 8
In the Footsteps of Killers Season 3 | BritBox Exclusive, North America Premiere | 6 x 60’ | Released All at Once
Silent Witness star Emilia Fox and Britain’s top criminologist, Professor David Wilson, attempt to solve Britain’s most heinous murders in this unique true-crime series.
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August 15
Celebrity Escape to the Country Season 1 | New to BritBox | 5 x 60’ | Released Weekly
Fancy swapping the hustle and bustle of city life for an idyllic rural retreat? The team helps a host of well-known faces find their dream homes in the glorious British countryside.
August 19
Sister Boniface Mysteries Season 4 | BritBox Original, BritBox Exclusive, North America Premiere | 8 x 60’ | Released Weekly
The nun who is the police’s secret weapon is back. Crime solving is her habit! The winemaking, moped-riding nun investigates more ugly deeds in beautiful surroundings. It’s the mid-1960s in the quaint Cotswold village of Great Slaughter, but strange things are afoot.
A killer scarecrow stalks the streets, all the women call a general strike, and the police embark on something called “team building.” Sister Boniface (Lorna Watson) is looking forward to a wholesome weekend away with the sisters, only to be confronted with yet another murder.
August 26
Playing Nice Season 1 | BritBox Exclusive, USA Premiere | 4 x 60’ | Released 2x Upon Premiere, Then Weekly
Set against a sweeping Cornish landscape, two couples discover that their toddlers were switched at birth in a hospital mix-up, and face a horrifying dilemma: do they keep the sons they have raised and loved, or reclaim their biological child? Living a waking nightmare, Pete (James Norton) and Maddie (Niamh Algar) are jettisoned into the world of the other couple, Miles (Mare of Easttown‘s James McArdle) and Lucy (Jessica Brown Findlay).
At first, it seems all four are agreed on a solution, but it soon becomes clear that hidden motives are at play. How far can each couple trust the parents of the other child – or even each other? As Pete and Maddie are stretched to breaking point, they realize they will stop at nothing to keep their family together.
Last Tango in Halifax Season 1 | BritBox Exclusive | 6 x 60’ | Released All at Once
Childhood sweethearts Alan (Derek Jacobi) and Celia (Anne Reid), both widowed and in their 70s, fall for each other all over again when they are reunited on the internet after nearly 60 years. Their relationship is a celebratory tale of the power of love at any age. But this is also a story about family, and with family comes baggage.
Celia’s respectable, head teacher daughter Caroline (Sarah Lancashire) is juggling bringing up two boys and dealing with her husband’s infidelity, while Alan’s rebellious, complicated middle-aged daughter Gillian (Nicola Walker) struggles to make a living on a beautiful but bleak farm. How will these two very different women cope with their parents’ announcement that they’ve decided to get married?
Last Tango in Halifax Season 2 | BritBox Exclusive | 6 x 60’ | Released All at Once
The Bafta-winning comedy drama about romance and second chances returns as the reunited childhood sweethearts negotiate family baggage to plan a life together. Having come so close to losing each other forever thanks to Alan’s (Derek Jacobi) near-fatal heart attack, he and Celia (Anne Reid) decide to have a romantic secret wedding as soon as possible. But how will their respective daughters react?
The uptight Caroline (Sarah Lancashire) and rebellious Gillian (Nicola Walker) are discovering they actually quite like each other; however, Gillian’s need to own up to her night with Caroline’s ex-husband John could jeopardize the soon-to-be stepsisters’ fledgling friendship. As secrets from the past come tumbling out and family members adjust to changing relationships, can Alan and Celia find the long-awaited happiness they deserve?
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Last Tango in Halifax Season 3 | BritBox Exclusive | 6 x 60’ | Released All at Once
The latest series of this acclaimed ensemble drama sees Celia (Anne Reid) and Alan’s (Derek Jacobi) marriage tested by revelations about an incident in his past.
As his daughter Gillian (Nicola Walker) tries to deal with the dramas of her own complicated love life, Caroline (Sarah Lancashire) has settled into happy domesticity with pregnant partner Kate. But her life is thrown into turmoil by sudden and tragic events, and, despite feeling angry about her mother’s absence from her wedding, Caroline needs Celia and stepdad Alan more than ever.
Last Tango in Halifax Season 4 | BritBox Exclusive | 2 x 60’ | Released All at Once
Catch up with the lives and relationships of reunited childhood sweethearts Alan (Derek Jacobi) and Celia (Anne Reid) and their family members in this warm and witty two-part special. To Celia’s dismay, Caroline (Sarah Lancashire) takes on a challenging new headship role at a troubled state school and buys a rundown farmhouse nearby.
Is there more to this big upheaval than she’s letting on – and will her move prompt her mother and Alan to finally find a place of their own? Meanwhile, Gillian (Nicola Walker) is struggling to adjust to her new husband Robbie being around all day since he retired from the police.
With Celia trying to rope a reluctant Alan into her new amateur dramatics hobby, Caroline negotiating a tricky new relationship and Gillian fighting a compulsion to confess to Robbie how his brother really died, life for these much-loved characters is as complicated as ever.
Last Tango in Halifax Season 5 | BritBox Exclusive | 4 x 60’ | Released All at Once
Alan (Derek Jacobi) and Celia (Anne Reid) are seven years into their marriage and having moved into a desirable bungalow, they aren’t seeing eye to eye. Alan’s new supermarket job brings an unexpected challenge when a wild local lad takes a shine to him, and at Far Slack Farm, Gillian (Nicola Walker) faces trouble with a giraffe.
John’s back on the scene, and Caroline (Sarah Lancashire, Happy Valley) finds herself caught in an emotional tangle with someone at work. Into all this jets Alan’s brother, Ted, on holiday from New Zealand — but it turns out he only bought a one-way ticket.
Happy Valley Season 1 | New to BritBox | 6 x 60’ | Released All at Once
Sarah Lancashire stars in this compelling crime thriller as a police sergeant in a small town where drunkards, drug addicts and teenage pregnancies are a way of life. Her world is shaken when the man she thinks is responsible for her daughter’s death – Tommy Lee Royce (James Norton) – is released from prison.
Meanwhile, accountant Kevin Weatherill (Steve Pemberton), desperate to send his daughters to private school, asks his boss for a pay rise. When he refuses, a plan to hold his daughter to ransom quickly spirals out of control when Tommy Lee gets involved. How far will any of them go to get what they really want?
August 27
Happy Valley Season 2 | New to BritBox | 6 x 60’ | Released All at Once
Sarah Lancashire returns in the acclaimed thriller written by Sally Wainwright. No-nonsense police sergeant Catherine Cawood (Lancashire) is back heading up her team of dedicated police officers in West Yorkshire. While on duty, she makes a gruesome discovery – a body.
The victim’s injuries bear a striking similarity to a string of other murders, suggesting a serial killer is on the loose. But the case becomes even more shocking when it emerges that Catherine knows the victim – something that could have serious repercussions for both herself and her family.
August 28
Happy Valley Season 3 | New to BritBox | 6 x 60’ | Released All at Once
When Sergeant Catherine Cawood (Sarah Lancashire) discovers the remains of a gangland murder victim, it sparks a chain of events that unwittingly leads her straight back to murderer and rapist Tommy Lee Royce (James Norton).
Meanwhile, Catherine’s grandson Ryan (Rhys Connah) is now sixteen and has ideas of his own about what kind of relationship he wants to have with Tommy, the man Catherine refuses to acknowledge as his father.
August 29
Dublin Murders Season 1 | New to BritBox | 8 x 60’ | Released All at Once
In the summer of 2006, Rob Reilly (Killian Scott), a smart-suited homicide detective, and his partner, Cassie (Normal People‘s Sarah Greene), are dispatched to investigate a child’s murder, and they find a community caught between old and new Ireland.
