Shows like Relentless (2021)
Loved Relentless? Here are 24 shows with a similar feel, picked from what fans of Relentless watch next and from titles with the same mix of crime and documentary.
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1
The Chestnut Man (2021)
At a grisly murder scene sits a figurine made of chestnuts. From this creepy clue, two detectives hunt a killer linked to a politician's missing child.
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2
The Story of God with Morgan Freeman (2016)
Morgan Freeman presents his quest in order to find how most religions perceive life after death, what different civilizations thought about the act of creation and other big questions that mankind has continuously asked.
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3
Down to Earth with Zac Efron (2020)
Actor Zac Efron journeys around the world with wellness expert Darin Olien in a travel show that explores healthy, sustainable ways to live.
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4
Under the Bridge (2024)
Fourteen-year old Reena Virk went to join friends at a party and never returned home. Through the eyes of Rebecca Godfrey and a local police officer, learn the hidden world of the young girls accused of the murder — revealing startling…
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5
Giri/Haji (2019)
Family duty sends a lawman to London to look for his mob-assassin brother as a yakuza war threatens to engulf Tokyo. Trust is even tougher to find.
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6
Aquarius (2015)
In the late 1960s, a Los Angeles police sergeant with a complicated personal life starts tracking a small-time criminal and budding cult leader seeking out vulnerable women to join his “cause.” The name of that man is Charles Manson.
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7
Top Gear (1978)
Motoring programme featuring reviews of and reports about cars of all types.
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8
American Murder: Gabby Petito (2025)
What happened in the final days of Gabby Petito's life? In this gripping true-crime series, her loved ones reveal the untold story of her tragic murder.
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9
Forensic Files (1996)
Real crimes, disease outbreaks and accidents around the world are solved by experts using scientific laboratory analysis which helps them find previously undetectable evidence. Brilliant scientific work helps convict the guilty and free the…
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10
Two Graves (2025)
When the disappearance of two teen girls shocks a quiet coastal town, a bereft grandmother risks everything to uncover the truth and seek revenge.
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11
Savage Kingdom (2016)
A rare look at warring animal clans battling for survival in a remote region of Africa, which is drying up after years of flood-soaked abundance.
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12
Heist (2021)
Millions in stolen cash. Missing luxury bourbon. Watch ordinary people almost get away with these extraordinary heists in this true crime series.
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13
Nature's Great Events (2009)
Documentary series looking at the most dramatic wildlife spectacles on our planet, showing how life responds to natural events which can dramatically transform entire landscapes.
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14
The Witness (2026)
With their 2-year-old as the sole witness to her murder, Rachel Nickell's partner fights to protect him amid a flawed investigation.
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15
Snapped (2004)
The fascinating cases of every day, seemingly average moms, wives and girlfriends accused of murder. Did they really do it? And if so, why?
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16
Cold Case Files (1999)
Explore compelling cases that have gone cold for years, chronicling the journeys of the detectives who reopened them. The detectives relive the events of the crimes, reveal new twists and startling revelations, relying on breakthroughs in…
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17
People Magazine Investigates (2016)
Uncover the heart-wrenching true stories behind crimes that transcended headlines and became part of popular culture. Exclusive first hand interviews reveal shocking twists, new evidence, and unexpected resolutions.
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18
Fear Thy Neighbor (2014)
These are the terrifying tales of the unwanted neighbors who turn home sweet home into home sweet hell. A look inside the lives of horrific neighborly disputes and what happens when a simple issue turns into the worst night of a family's…
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19
History's Greatest Mysteries (2020)
Investigates a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John Wilkes Booth, and more. Fresh, new evidence and perspectives will be showcased, such as…
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20
Mysteries at the Museum (2010)
Don Wildman unearths relics from the world's greatest institutions to reveal secrets from the past. He examines each artifact to illuminate history's most incredible triumphs, sensational crimes and bizarre encounters.
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21
Who Do You Think You Are? (2004)
A British genealogy documentary series in which celebrities trace their ancestry, discovering secrets and surprises from their past.
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22
American Monster (2016)
Monsters can be found lurking behind any innocent smile and on any street corner in America. Never-before-seen-video footage stares straight into the eyes of these killers who hide in plain sight. Anyone can be a monster.
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23
American Masters (1986)
American Masters is a PBS television series which produces biographies on enduring writers, musicians, visual and performing artists, dramatists, filmmakers, and others who have left an indelible impression on the cultural landscape of the…
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24
The Widower (2014)
Over a thirteen year period, a seemingly mild‐mannered male nurse, Malcolm Webster, set about poisoning and murdering his first wife, attempting to do the same to his second wife and moving on to a further scheme to deceive his third…