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What’s on Prime Video UK in September 2025: 16 new release movies and shows

5 min
Robin Wright smiles across a crowded room
From season 2 of 'The Boys' spin-off show 'Gen V' to nail-biting suspense with new drama 'The Girlfriend', there's something for everyone to watch this September.

Prime Video is set to deliver another month of gripping drama, explosive action, addictive thrills, and much more this September with a stellar line up of releases.

In the UK you can look forward to the arrival of the second season of The Boys hit spin-off Gen V, Robin Wright's new drama The Girlfriend, and family-friendly fun with The Runarounds. And that's only the start...

Read on to discover what's coming to Prime Video UK this September.

What To Watch
'The Runarounds'
  • TABLE OF CONTENTS
    'The Runarounds'
  • 'The Runarounds'
  • 'Catching The Tinder Predator'
  • 'Helluva Boss' Series 1 & 2
  • 'The Girlfriend'
  • 'Gen V' Series 2
  • 'The London Railway Murders'
  • 'Hotel Costiera'
  • 'Highest 2 Lowest'
  • 'Dangerous Animals'
  • 'The Morning Show' Series 4
  • 'Slow Horses' Series 5
  • '28 Years Later'
  • 'The Ballad Of Wallis Island'
  • 'Nobody 2'
  • 'Smurfs'
  • 'I Know What You Did Last Summer'
From season 2 of 'The Boys' spin-off show 'Gen V' to nail-biting suspense with new drama 'The Girlfriend', there's something for everyone to watch this September.

Prime Video is set to deliver another month of gripping drama, explosive action, addictive thrills, and much more this September with a stellar line up of releases.

In the UK you can look forward to the arrival of the second season of The Boys hit spin-off Gen V, Robin Wright's new drama The Girlfriend, and family-friendly fun with The Runarounds. And that's only the start...

Read on to discover what's coming to Prime Video UK this September.

  • Upcoming Series
    'The Runarounds'

    1 September

    Ensemble cast stand in a music room with central figure holding an electric guitar

    The Runarounds follows a group of recent high school graduates from Wilmington, North Carolina, who come together the summer after graduation to form a rock band, united by their shared love of music and near-impossible dream of stardom.

    Over the course of one unforgettable summer, they throw themselves into the pursuit of their big break—falling in love, getting into trouble, and building the kind of bonds that feel like family along the way.

    With original music, romantic entanglements, and the raw highs and lows of coming-of-age, The Runarounds captures the rush of risking everything at the edge of adulthood to chase your dreams.

  • 'Catching The Tinder Predator'

    7 September

    In July 2024, Christopher Harkins was sentenced to 12-years for crimes from rape through to fraud after a decade of offending spurred on by online dating. This documentary series explores the actions of Harkins, the attitudes of society and the legal system, and the dogged determination of a band of women who fought to get justice.

  • 'Helluva Boss' Series 1 & 2

    10 September

    Cartoon demons in business meeting, one presenting at whiteboard

    Set in hell, Helluva Boss follows the hell-born imp Blitzo (the “o” is silent), the eccentric leader of I.M.P. (Immediate Murder Professionals), a small, chaotic assassination business able to run thanks to a magic grimoire and a complicated situationship with the demon prince Stolas.

    Alongside his equally chaotic ragtag crew – Moxxie, a by-the-books marksman; Millie, a fiery and skilled assassin; and Loona, their snarky, hellbound receptionist – Blitzo takes on contracts to kill targets in the human world.

    Balancing their work with personal lives, the team constantly finds themselves in absurd, violent, and darkly comedic situations.

  • 'The Girlfriend'

    10 September

    Couple in emotional embrace, woman crying with hand to mouth

    Based on Michelle Frances' novel of the same name, The Girlfriend follows Laura, a woman who seemingly has it all: a glittering career, a loving husband, and her precious son, Daniel. Her perfect life begins to unravel when Daniel brings home Cherry, a girlfriend who changes everything.

    After a tense introduction, Laura becomes convinced Cherry is hiding something. Is she a manipulative social climber or is Laura just paranoid? The truth is a matter of perspective.

  • 'Gen V' Series 2

    17 September

    Gen V Season 2 - Official Trailer | Prime Video

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    School is back in session. As the rest of America adjusts to Homelander's iron fist, back at Godolkin University, the mysterious new Dean preaches a curriculum that promises to make students more powerful than ever.

    Cate and Sam are celebrated heroes, while Marie, Jordan, and Emma reluctantly return to college, burdened by months of trauma and loss. But parties and classes are hard to care about with war brewing between humans and Supes, both on and off campus.

    The gang learns of a secret program that goes back to the founding of Godolkin University that may have larger implications than they realise. And, somehow, Marie is a part of it.

  • 'The London Railway Murders'

    21 September

    A dynamic, female-led documentary, The London Railway Murders tells the story of two childhood friends who grew into killers and the fierce group of women – police and victims – whose determination and resilience finally caged a monster.

    In 1998, ten years after a murderer and rapist dubbed the ‘Railway Killer’ was sent to prison, a spate of eerily similar attacks led police to question whether they had a copycat on their hands – or if the real attacker was still at large. But an astonishing confession would reveal the truth – that the Railway Killer had an accomplice...

    Combining new and dramatic first-person testimony with emotionally powerful archive, The London Railway Murders is ultimately a story of comeuppance, told by the women who would stop at nothing to see justice served.

  • 'Hotel Costiera'

    24 September

    Jesse Williams has an intense conversation on a balcony next to the sea

    Daniel De Luca is a half-Italian former U.S. marine who returns to Italy, the land of his childhood, as a fixer in one of the world’s most luxurious hotels, located on the spectacular coastline of Positano.

    In addition to dealing with the hotel's wealthy guests’ problems, Daniel is also on the trail of Alice, one of the owner's daughters who disappeared a month earlier. Daniel must do everything he can to bring her home, but facing those who kidnapped the girl will be more challenging than any problem Daniel has ever faced.

  • Upcoming With Add-On Subscriptions
    'Highest 2 Lowest'

    5 September (Apple TV+, £8.99/month)

    Denzel Washington dressed smartly as he walks through an office space

    When a titan music mogul (Denzel Washington), widely known as having the "best ears in the business". is targeted with a ransom plot, he is jammed up in a life-or-death moral dilemma.

    Washington and Spike Lee come together for the fifth time for this reinterpretation of filmmaker Akira Kurosawa's crime thriller High And Low, now played out on the mean streets of modern day New York City.

  • 'Dangerous Animals'

    12 September (MGM+, £5.99/month)

    Jai Courtney sits at his desk inside a boat

    When Zephyr, a savvy and free-spirited surfer, is abducted by a shark-obsessed serial killer and held captive on his boat, she must figure out how to escape before he carries out a ritualistic feeding to the sharks below.

  • 'The Morning Show' Series 4

    17 September (Apple TV+, £8.99/month)

    Reece Witherspoon and Jennifer Aniston hold hands on a street in New York

    Series 4 of The Morning Show opens in spring 2024, almost two years after the events of the last season.

    With the UBA-NBN merger complete, the newsroom must grapple with newfound responsibility, hidden motives, and the elusive nature of truth in a polarised America. In a world rife with deepfakes, conspiracy theories, and corporate cover-ups — who can you trust? And how can you know what’s actually real?

  • 'Slow Horses' Series 5

    24 September (Apple TV+, £8.99/month)

    Gary Oldman on the phone whilst eating a cooked breakfast in a café

    Everyone is suspicious when resident tech nerd Roddy Ho has a glamorous new girlfriend, but when a series of increasingly bizarre events occur across the city, it falls to the Slow Horses to work out how everything is connected. After all, Jackson Lamb knows that in the world of espionage, ‘London Rules’ should always apply.

  • Upcoming With Rent & Buy
    '28 Years Later'
    Surrounded by skeletal remains which have been organised into towers, Ralph Fiennes and Alfie Williams stand alongside Jodie Comer, who holds a baby

    A group of survivors of the rage virus live on a small island. When one of the group leaves the island on a mission into the mainland, he discovers secrets, wonders, and horrors that have mutated not only the infected but other survivors.

  • 'The Ballad Of Wallis Island'
    Carey Mulligan and Tom Basden sit at a dinner table, looking at each other as Basden plays a guitar

    An eccentric lottery winner who lives alone on a remote island tries to make his fantasies come true by getting his favourite musicians to perform at his home.

  • 'Nobody 2'
    Bob Odenkirk holding up banknotes on fire

    Suburban dad Hutch Mansell, a former lethal assassin, is pulled back into his violent past after thwarting a home invasion, setting off a chain of events that unravels secrets about his wife Becca's past and his own.

  • 'Smurfs'
    Four blue Smurfs are stand surrounded in a magical forest

    When Papa Smurf (John Goodman) is mysteriously taken by evil wizards Razamel and Gargamel, Smurfette (Rihanna) leads the Smurfs on a mission into the real world to save him. With the help of new friends, the Smurfs must discover what defines their destiny to save the universe.

  • 'I Know What You Did Last Summer'
    Ensemble cast stare down towards the ground during the night

    When five friends inadvertently cause a deadly car accident, they cover up their involvement and make a pact to keep it a secret rather than face the consequences. A year later, their past comes back to haunt them and they're forced to confront a horrifying truth: someone knows what they did last summer...and is hell-bent on revenge.

    As one by one the friends are stalked by a killer, they discover this has happened before, and they turn to two survivors of the legendary 'Southport Massacre' of 1997 for help.

Prime Video is included with a Prime membership which costs £8.99 per month and £95 per year. Only interested in Prime Video, you can sign up to it on its own for £5.99 a month.

Find out more about the latest news at Amazon.

  • What To Watch
  • 1
    'The Runarounds'
  • 2
    'Catching The Tinder Predator'
  • 3
    'Helluva Boss' Series 1 & 2
  • 4
    'The Girlfriend'
  • 5
    'Gen V' Series 2
  • 6
    'The London Railway Murders'
  • 7
    'Hotel Costiera'
  • 8
    'Highest 2 Lowest'
  • 9
    'Dangerous Animals'
  • 10
    'The Morning Show' Series 4
  • 11
    'Slow Horses' Series 5
  • 12
    '28 Years Later'
  • 13
    'The Ballad Of Wallis Island'
  • 14
    'Nobody 2'
  • 15
    'Smurfs'
  • 16
    'I Know What You Did Last Summer'