Top Mystery Series of 2021 Online
Uncover the unknown with the best mystery series of 2021 online. From mind-bending plots to gripping whodunits, these shows keep you captivated with every clue and twist. Watch the top mystery series of 2021 online and immerse yourself in thrilling tales of suspense and intrigue.
The Devil Judge (2021)
- Se:1 Ep:16
1
The court system is corrupted and old-fashioned. People desire a new system that can satisfy the crowds. However, are the crowds always correct? The drama shows how judges discover the truth about people in court. It centers around a chief judge who doesn’t believe in justice, but only makes judgements that the crowds will be satisfied with. An assistant judge starts to question his motives and tries to find the truth.
Beyond Evil (2021)
- Se:1 Ep:16
- 0
As a killing resembling a cold case resurfaces in a small town, the chase for the truth falls on two policemen who each harbor secrets of their own.
Mouse (2021)
- Se:1 Ep:20
- 0
A psychopath's ruthless serial murders have left the entire nation gripped with fear and chaos. A honest and justice-seeking rookie police officer and a veteran detective with tragic past, face against the killer. After the encounter with the psychopath, their lives totally change.
Only Murders in the Building (2021)
- Se:5 Ep:40
- 3
Three strangers share an obsession with true crime and suddenly find themselves wrapped up in one.
Secrets of Sulphur Springs (2021)
- Se:3 Ep:27
- 0
12-year-old Griffin Campbell and his family move to the small town of Sulphur Springs and take ownership of an abandoned hotel rumored to be haunted by the ghost of a girl who disappeared decades ago. Griffin befriends Harper, a bright-eyed, mystery-obsessed classmate and together, they uncover a secret portal that allows them to travel back in time. In the past, they’ll attempt to uncover the key to solving this unsolved mystery, a mystery that affects everyone close to them.
WandaVision (2021)
- Se:1 Ep:9
- 7
Wanda Maximoff and Vision—two super-powered beings living idealized suburban lives—begin to suspect that everything is not as it seems.
Mortal Wound (2021)
- Se:2 Ep:28
- 0
Maleki is one of the managers of a successful company run by Rizabadi. Rizabadi instructs him to negotiate a major oil deal with the Norwegians. After signing the contract, the Norwegians want to transfer the contract amount, which is several million dollars to the company's account.
Mare of Easttown (2021)
- Se:1 Ep:7
- 1
A detective in a small Pennsylvania town investigates a local murder while trying to keep her life from falling apart.
My Name (2021)
- Se:1 Ep:8
- 0
Following her father's murder, a revenge-driven woman puts her trust in a powerful crime boss — and enters the police force under his direction.
Word of Honor (2021)
- Se:1 Ep:36
- 0
Zhou Zi Shu gets embroiled in a conspiracy in the martial arts world after quitting his job as the leader of an organization tasked with protecting royalty. He meets Wen Ke Xing, a mysterious martial artist who escapes from the Ghost Valley to avenge his parents’ deaths. They become fast friends and embark on an adventure to find a legendary treasure that will give its owner ultimate power over jianghu.
Jirisan (2021)
- Se:1 Ep:16
- 3
A team of expert mountain rangers put their lives on the line to save stranded trekkers, solve haunting mysteries and protect Jirisan National Park.
Happiness (2021)
- Se:1 Ep:12
- 0
A new type of deadly virus spread throughout the city, and the apartment where has different social classes of people is sealed off. With the fear of the virus, and the conflicts of the different classes, the residents have to spend and survive in the new habitation.
The Veil (2021)
- Se:1 Ep:12
- 1
Han Ji-hyuk, an NIS agent gone MIA, returns after one year to join a new team as he searches for his lost past.
Secrets of the Lost Ark (2021)
- Se:1 Ep:6
- 0
For centuries, explorers have searched for the Bible’s most sacred religious artefacts. One of the most mysterious of these objects is the famed Ark of the Covenant. The gold-plated wooden chest – one of the most instrumental symbols of faith and God's presence – was believed to house the two tablets bearing the Ten Commandments. The Ark’s exact whereabouts has long puzzled scholars. Where did it go? And why has it remained such a mystery?
Silent Road (2021)
- Se:1 Ep:13
- 0
An unexpected event comes to disturb the seemingly calm life of a strong society. The tracks of a school bus are suddenly lost, one morning. Inside the bus are nine elementary school students, children of wealthy and powerful families, along with the driver and an attendant. Police investigations are moving in uncharted waters and everything shows that it has to do with a group abduction, but a young journalist unexpectedly finds himself at the center of events. An entire society is being shaken. A puzzle of suspects is formed, secret passions and intrigues are revealed. The masks fall and the hidden lives of the protagonists come to light.
Chucky (2021)
- Se:3 Ep:24
- 1
After a vintage Chucky doll turns up at a suburban yard sale, an idyllic American town is thrown into chaos as a series of horrifying murders begin to expose the town’s hypocrisies and secrets. Meanwhile, the arrival of enemies — and allies — from Chucky’s past threatens to expose the truth behind the killings, as well as the demon doll’s untold origins.
The Envoys (2021)
- Se:2 Ep:16
- 0
Two Vatican officials with very different conceptions of what faith is are sent to different parts of the world to investigate and verify the veracity of alleged miracles and healings attributed to members of the church.
Inspector Ricciardi (2021)
- Se:2 Ep:10
- 1
Naples, 1932. Detective Luigi Alfredo Ricciardi leaves no crime unsolved, being able to see the ghosts of people who have died violently and listen to their last thought. But this extraordinary gift is both a blessing and a curse!
Trinity of Shadows (2021)
- Se:1 Ep:15
- 0
The series is about a murder investigation which has similarities to a cold case from three years ago. During the investigation, the lead detective (Pinna), an up-and-coming public official (Chuang) and rookie policeman (Liu) are drawn together into a dark labyrinth of power play.
CSI: Vegas (2021)
- Se:3 Ep:41
- 0
Facing an existential threat that could bring down the Crime Lab, a brilliant team of forensic investigators must welcome back old friends and deploy new techniques to preserve and serve justice in Sin City.
Squid Game (2021)
- Se:2 Ep:17
- 6
Hundreds of cash-strapped players accept a strange invitation to compete in children's games. Inside, a tempting prize awaits — with deadly high stakes.
American Horror Stories (2021)
- Se:3 Ep:24
- 0
An anthology series of stand alone episodes delving into horror myths, legends and lore.
The Innocent (2021)
- Se:1 Ep:8
- 0
An accidental killing leads a man down a dark hole of intrigue and murder. Just as he finds love and freedom, one phone call brings back the nightmare.
Lupin (2021)
- Se:2 Ep:17
- 0
Inspired by the adventures of Arsène Lupin, gentleman thief Assane Diop sets out to avenge his father for an injustice inflicted by a wealthy family.
The Silent Sea (2021)
- Se:1 Ep:8
- 0
During a perilous 24-hour mission on the moon, space explorers try to retrieve samples from an abandoned research facility steeped in classified secrets.
Who Killed Sara? (2021)
- Se:3 Ep:25
- 1
Hell-bent on exacting revenge and proving he was framed for his sister's murder, Álex sets out to unearth much more than the crime's real culprit.
Sasquatch (2021)
- Se:1 Ep:3
- 0
Investigative journalist David Holthouse attempts to solve a bizarre twenty-five year old triple homicide that was said to be the work of a mythical creature.
Demente (2021)
- Se:1 Ep:140
- 0
Teresa Betancourt and Joaquín Acevedo will experience the worst tragedy of their lives: the kidnapping of their son Mateo. From that moment, the intentions of their entire family group will be revealed. Because in the game of a sinister mind... anyone can be the culprit.
The White Lotus (2021)
- Se:3 Ep:21
- 0
Follow the exploits of various guests and employees at an exclusive tropical resort over the span of a week as with each passing day, a darker complexity emerges in these picture-perfect travelers, the hotel’s cheerful employees and the idyllic locale itself.
Mine (2021)
- Se:1 Ep:16
- 1
Encaged in a gold-clad life of secrets and lies, two women in a conglomerate family seek to topple all that stands in their way of finding true joy.
Love You as the World Ends (2021)
- Se:5 Ep:32
- 0
26-year-old car mechanic Hibiki Mamiya lives with his high school sweetheart of the same age, Kurumi Ogasawara. Life together feels so natural and filled with the warmth of each other's love. It was a happiness they expected would last a lifetime. Hibiki is secretly preparing his proposal to Kurumi when misfortune strikes. A tunnel collapses, trapping him for four days. Barely making it out alive, he discovers a world completely changed. There is absolutely no one around, communication signals are dead, the transportation network is a wreck, and the only information available is the emergency evacuation order being repeated on the radio.
Them (2021)
- Se:2 Ep:18
- 1
A limited anthology series that explores terror in America.
Midnight Mass (2021)
- Se:1 Ep:7
- 1
A young man returns to his isolated hometown on Crockett Island, hoping to rebuild his life after serving four years in prison for killing someone in a drunk-driving incident. He arrives at the same time as a mysterious, charismatic young priest who begins to revitalise the town's flagging faith. However, the community's divisions are soon exacerbated by the priest's deeds while mysterious events befall the small town.
The Boarding School: Las Cumbres (2021)
- Se:3 Ep:22
- 0
In an inaccessible place between the mountains and isolated from the world, a school is located next to an old monastery. The students are rebellious and problematic young people who live under the strict and severe discipline imposed by the center to reintegrate them into society. The surrounding forest is home to ancient legends, threats that are still valid and that will immerse them in terrifying adventures.
The Chestnut Man (2021)
- Se:1 Ep:6
- 1
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.
Live Telecast (2021)
- Se:1 Ep:7
- 0
A TV crew goes to a haunted house, where a family lives, to create a new live show that captures ghost on camera, only to be trapped inside with no way of getting out.
Yellowjackets (2021)
- Se:3 Ep:29
- 1
This equal parts survival epic, psychological horror story and coming-of-age drama tells the saga of a team of wildly talented high school girls soccer players who become the (un)lucky survivors of a plane crash deep in the remote northern wilderness. The series chronicles their descent from a complicated but thriving team to savage clans, while also tracking the lives they’ve attempted to piece back together nearly 25 years later.
HIP - High Intellectual Potential (2021)
- Se:4 Ep:32
- 0
Morgane is 38-years old, has three children, two exes and an IQ of 160; her destiny as a cleaner is turned upside-down when her extraordinary abilities are spotted by the police who offer her a job as a consultant.
Night Stalker: The Hunt for a Serial Killer (2021)
- Se:1 Ep:4
- 0
Beneath the sunlit glamour of 1985 L.A. lurks a relentlessly evil serial killer. In this true-crime story, two detectives won't rest until they catch him.
Kakegurui Twin (2021)
- Se:1 Ep:8
- 0
It's a year before Yumeko transferred to Hyakkaou Academy. Saotome Meari, a young girl who was born into a very ordinary family, passed her transfer examinations, and has started to attend Hyakkaou. However, the school she expected to attend has a crazy law, the Baptism of Gambling. Paired with Yumeko as her "twin," the curtain opens on Meari's gambling mania!
Post Mortem: No One Dies in Skarnes (2021)
- Se:1 Ep:6
- 0
Live Hallangen is declared dead but hours later she suddenly wakes up with a sudden urge for blood. Meanwhile, her brother Odd tries to keep the family driven funeral home afloat.
Gossip Girl (2021)
- Se:2 Ep:22
- 0
Eight years after the original website went dark, a new generation of New York private school teens are introduced to the social surveillance of Gossip Girl.
Cruel Summer (2021)
- Se:2 Ep:20
- 0
Taking place over three summers - 1993, 1994, 1995 - in a small Texas town, a beautiful popular teen, Kate, is abducted and, seemingly unrelated, a girl, Jeanette, goes from being a sweet, awkward outlier to the most popular girl in town and, by ’95, the most despised person in America.
Tell Me Your Secrets (2021)
- Se:1 Ep:10
- 0
A complex thriller revolving around three characters, each with troubling pasts clouding their intersecting motives: Emma is a young woman who once loved a dangerous killer, John is a former serial predator desperate for redemption, and a grieving mother Mary who is obsessed with finding her missing daughter.
Professor T (2021)
- Se:4 Ep:18
- 2
Professor Jasper Tempest, a genius Cambridge University criminologist with OCD and an overbearing mother, advises the police. British version of the Belgian crime drama of the same name.
50M² (2021)
- Se:1 Ep:8
- 0
Seeking to uncover the truth about his past, a henchman betrays someone close to him and assumes a new identity in a small Istanbul neighborhood.
Murder, They Hope (2021)
- Se:2 Ep:6
- 0
After their trip to Middlesbrough turned a little more explosive than they thought, Gemma and Terry finally decide to pack up the smouldering remains of their coach tour business and set out on a new adventure as fully-fledged private detectives.
Hellbound (2021)
- Se:2 Ep:12
- 0
Unearthly beings deliver bloody condemnations, sending individuals to hell and giving rise to a religious group founded on the idea of divine justice.
The North Water (2021)
- Se:1 Ep:5
- 1
Henry Drax is a harpooner and brutish killer whose amorality has been shaped to fit the harshness of his world, who will set sail on a whaling expedition to the Arctic with Patrick Sumner, a disgraced ex-army surgeon who signs up as the ship’s doctor. Hoping to escape the horrors of his past, Sumner finds himself on an ill-fated journey with a murderous psychopath. In search of redemption, his story becomes a harsh struggle for survival in the Arctic wasteland.
The Five Juanas (2021)
- Se:1 Ep:18
- 0
Five women with the same birthmark set out to unravel the truth about their pasts and discover a tragic web of lies spun by a powerful politician.