Shows Like The Promise
If you were moved by The Promise, should consider this hand-picked list which questions the purpose and weight of our choices while ensuring targets the intellect with complex, multi-layered ideas. Carefully balances character depth with narrative flow makes this a compelling continuation of these themes.
Standard feature-length experiences.
Best for fans of who appreciate concise storytelling.
★ Top Picks

The Hardy Boys
When Frank and Joe Hardy arrive in Bridgeport, they set out to uncover the truth behind the recent tragedy that has changed their lives. In doing so, they stumble upon something much more sinister - something only the Hardy Boys can stop.

The Doctor Blake Mysteries
Dr Lucien Blake left Ballarat as a young man. But now he finds himself returning to take over not only his dead father's medical practice, but also his on-call role as the town's police surgeon, only to find change is afoot, nothing is sacred, and no one is safe.

Baretta
Baretta is an American detective television series which ran on ABC from 1975 to 1978. The show was a milder version of a successful 1973–74 ABC series, Toma, starring Tony Musante as chameleon-like, real-life New Jersey police officer David Toma. While popular, Toma received intense criticism at the time for its realistic and frequent depiction of police and criminal violence. When Musante left the series after a single season, the concept was retooled as Baretta, with Robert Blake in the title role.

Harry Wild
A recently retired English professor discovers a real knack for investigation and cannot help but interfere with the cases assigned to her police detective son.

Annika
The sharp, witty and enigmatic DI Annika Strandhed, as she heads up a new specialist Marine Homicide Unit (MHU) that is tasked with investigating the unexplained, brutal, and seemingly unfathomable murders.

Barnaby Jones
Barnaby Jones is a television detective series starring Buddy Ebsen and Lee Meriwether as father- and daughter-in-law who run a private detective firm in Los Angeles. The show ran on CBS from January 28, 1973 to April 3, 1980, beginning as a midseason replacement. William Conrad guest starred as Frank Cannon of Cannon on the first episode of Barnaby Jones, "Requiem for a Son" and the two series had a two-part crossover episode in 1975, "The Deadly Conspiracy".

Frankie Drake Mysteries
Toronto’s only female private detective in the 1920s takes on the cases the police don’t want or can’t handle. From airplanes and booze running to American G-men, Communists and union busters, Frankie’s fearless sense of adventure gets her into all kinds of trouble, but she always manages to find her way out.

Agatha Christie's Poirot
From England to Egypt, accompanied by his elegant and trustworthy sidekicks, the intelligent yet eccentrically-refined Belgian detective Hercule Poirot pits his wits against a collection of first class deceptions.
More Shows Like The Promise

Agatha Christie's Marple
The adventures of Miss Jane Marple, an elderly spinster living in the quiet little village of St Mary Mead. During her many visits to friends and relatives in other villages, Miss Marple often stumbles upon mysterious murders which she helps solve. Although the police are sometimes reluctant to accept Miss Marple's help, her reputation and unparalleled powers of observation eventually win them over.

Father Brown
Father Brown is based on G. K. Chesterton's detective stories about a Catholic priest who doubles as an amateur detective in order to try and solve mysteries.

Twisted
A one-hour mystery full of twists and turns that follows Danny Desai, a charismatic 16-year-old with a troubled past who returns to his hometown after spending five years in juvenile detention. Immediately branded an outcast, Danny attempts to reconnect with his two childhood best friends, Jo and Lacey. But when a fellow student is found dead in her home, Danny instantly becomes the prime suspect and town spirals into a frenzy of suspicion and mystery. Jo and Lacey must decide if their childhood friend is unforgivable, or if he's really a victim being persecuted for his own twisted secrets.

Baywatch Nights
Baywatch Nights is an American police and science fiction drama series that aired in syndication from 1995 to 1997. Created by Douglas Schwartz, David Hasselhoff, and Gregory J. Bonann, the series is a spin-off from the popular television series, Baywatch.

Tomorrow Is Ours
The story revolves around the people of Sète, France. Their lives are punctuated by family rivalries, romance and scenes from daily life, but also by plots involving police investigations, secrets and betrayals.

Maigret
The pragmatic, reserved and refined Maigret investigates murders in his singular unhurried manner and inevitably discovers the truth.

Agatha Christie's Seven Dials
England, 1925. At a lavish country house party, a practical joke appears to have gone horribly, murderously wrong. It will be up to the unlikeliest of sleuths—the fizzingly inquisitive Lady Eileen "Bundle" Brent—to unravel a chilling plot that will change her life, cracking wide open the country house mystery.

Mosaic
Explore the psychological underpinnings of love and murder in a small mountain resort town while following popular children’s book author and illustrator Olivia Lake, whose literary success makes her a local celebrity in the tight-knit community.

Murders in...
Murders in... is a collection of French-Belgian police TV movies taking place each time in a different French city and region.

Veronica Mars
In the fictional town of Neptune, California, student Veronica Mars progresses from high school to college while moonlighting as a private investigator under the tutelage of her detective father.

Coroner
Jenny Cooper investigates unexplained or sudden deaths in the city of Toronto. Fierce and quick-witted, Jenny is a newly-widowed single mother with secrets of her own to unearth.

Lynley
Tommy Lynley is a brilliant police detective but an outsider in the force – simply by virtue of his aristocratic upbringing. He is paired with Barbara Havers, a sergeant with a maverick attitude and a working-class background. With seemingly nothing in common and against all odds, the mismatched duo of Lynley and Havers become a formidable team, bonded by their desire to see justice done.
Why These Shows Are Similar
These recommendations share core qualities with The Promise (2021): Drama and Mystery themes, similar pacing, and comparable production quality. NoBadPicks uses TMDB collaborative filtering, genre matching, and AI analysis to surface series most likely to resonate with fans of The Promise.
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