7 New Under-the-Radar Shows Worth Adding to Your Watchlist This September

September brings a fresh lineup of under-the-radar TV series that promise something unexpected for every kind of viewer. With streaming platforms rolling out new originals, it’s easy to overlook the gems hiding behind blockbuster promotions. If you’re seeking a break from the mainstream, these 7 series offer intriguing plots, unique perspectives, and a chance to discover tomorrow’s favorites today.

1. The Paper

The Paper
© IMDb

Deadlines drive everything in The Paper, a sharp new mockumentary comedy from The Office’s Greg Daniels and Michael Koman. The series follows Ned Sampson (Domhnall Gleeson), a freshly appointed editor-in-chief tasked with reviving a fading Midwestern daily, the Toledo Truth-Teller.

Surrounded by quirky, often inexperienced staffers, Ned struggles to balance ambition, chaos, and the sheer absurdity of modern journalism. Each episode leans into witty banter, ethical dilemmas, and the scramble to stay relevant in a changing media landscape.

Inspired partly by Sampson’s own college newspaper days, the show delivers humor and heart while skewering the state of local news.

2. The Girlfriend

The Girlfriend
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What defines the perfect relationship? The Girlfriend, adapted from Michelle Frances’ bestselling novel, explores this question through the story of Laura, played by Robin Wright.

Her world shifts when her son Daniel introduces Cherry (Olivia Cooke), a charming new girlfriend whose presence soon sparks suspicion. What begins as a seemingly idyllic romance spirals into a tense psychological thriller, where trust, manipulation, and hidden motives collide.

Each episode builds suspense as Laura’s doubts grow, pulling viewers deeper into the unraveling family dynamic. Premiering September 10 on Prime Video, this miniseries promises sharp twists and a chilling battle of perceptions.

3. Task

Task
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Task follows FBI agent Tom Brandis, a man marked by grief, who is tasked with leading a force against a string of violent robberies in the working-class suburbs of Pennsylvania.

Robbie Pendergrast, a father and waste collector by day, becomes entangled in crime by night. Episodes steadily unravel secrets, moral conflicts, and the fallout between law and personal loyalty.

Dark themes and character tension dominate, especially in family relations and past trauma. Premiering Sunday nights starting September 7, Task demands attention from viewers who appreciate intense, character-driven crime drama.

4. Black Rabbit

Black Rabbit
© IMDb

Not all family ties survive secrets. Black Rabbit follows two brothers, Jake and Vince Friedken (Jude Law and Jason Bateman), whose reunion threatens everything Jake has built—his namesake restaurant and VIP lounge in New York City.

When Vince returns with dangerous debts and emotional baggage, Jake’s success and stability begin to unravel. As the tension grows, every encounter becomes charged with past betrayals, ambition, and the potential for collapse.

With its gritty urban backdrop, high-stakes sibling drama, and powerful performances, Black Rabbit premieres September 18 on Netflix.

5. The Lowdown

The Lowdown
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Not all stories make the front page. The Lowdown follows citizen journalist Lee Raybon, who runs a rare bookstore in Tulsa and is obsessed with exposing corruption—especially surrounding the powerful Washberg family.

After he publishes an exposé, a suspicious suicide shakes the city, pulling Lee deeper into a dangerous mystery. His relationships, especially with his daughter and ex, grow strained as truths emerge.

The series blends noir tone with moments of levity and real consequences, set against the beauty and tension of Tulsa’s streets. Created by Sterlin Harjo, it premieres September 23 on FX.

6. Wayward

Wayward
© IMDb

Some towns never let go of their secrets. Wayward unfolds in Tall Pines, a picturesque community concealing a troubled youth academy that hides sinister truths.

When a daring escape attempt fails, two students—Abbie and Leila—cross paths with Alex, a police officer new to town with his pregnant wife. Together, they uncover disturbing layers beneath the town’s carefully crafted image.

Equal parts psychological thriller and coming-of-age drama, the series explores loyalty, survival, and the blurred line between belonging and control. Created by Mae Martin, Wayward premieres September 25, 2025, on Netflix, delivering an unsettling and unforgettable viewing experience.

7. The Savant

The Savant
© IMDb

A covert investigator known only as “The Savant” (Jessica Chastain) goes undercover in extremist online groups, attempting to prevent domestic violence before it happens.

The eight-episode Apple TV+ miniseries, created by Melissa James Gibson, launches September 26, 2025, with two episodes, followed by weekly drops through November 7. Chastain also serves as executive producer.

Inspired by a Cosmopolitan article by Andrea Stanley titled “Is It Possible to Stop a Mass Shooting Before It Happens?”, the series explores themes of anonymity, faith in intelligence work, and moral complexity in the age of digital radicalization.

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