20 best shows like Knock Knock (2015)

A former Marine out to punish the criminals responsible for his family's murder finds himself ensnared in a military conspiracy.

Set amidst a wave of violent animal attacks sweeping across the planet, a young renegade scientist is thrust into a race to unlock the mystery behind this pandemic before time runs out for animals and humans alike.

A deadly virus hits a small community living on an island in the North Sea.

Consumed by the mystery surrounding the donor heart that saved her life, a young patient starts taking on sinister characteristics of the deceased.

Ten strangers, drawn away from their normal lives to an isolated rock off the Devon coast. But as the mismatched group waits for the arrival of the hosts -- the improbably named Mr. and Mrs. U.N. Owen -- the weather sours and they find themselves cut off from civilization. Very soon, the guests, each struggling with their conscience, will start to die -- one by one, according to the rules of the nursery rhyme 'Ten Little Soldier Boys' -- a rhyme that hangs in every room of the house and ends with the most terrifying words of all: '... and then there were none.

After a brutal virus wipes out most of the population, two young siblings embark on a perilous search for safety. A Scandinavian thriller series.

When a mafia family named Koçovars are in danger of losing control of their neighborhood, “The Pit,” their youngest son must come back home, a place he could never truly escape.

A happily married man's life is turned upside down when his wife is killed in a mysterious hit-and-run accident in Tel Aviv. Grief-stricken and confused, he searches for his wife's killers, who have fled to the U.S. With the help of an ex-lover, he uncovers disturbing truths about his beloved wife and the secrets she kept from him.

In the dark, early days of a zombie apocalypse, complete strangers band together to find the strength they need to survive and get back to loved ones.

Set in a dystopian future, a woman is forced to live as a concubine under a fundamentalist theocratic dictatorship. A TV adaptation of Margaret Atwood's novel.

Horror stories told from the perspectives of multiple characters whose lives are affected by the Birch, a bloodthirsty monster deep in the woods. Once you summon her protection, you never escape.

After newlywed Georgina's billionaire husband Constantine is killed in a yacht explosion, she is shocked to discover the fortune and lifestyle he maintained was surrounded by violence, lies and murder. She soon must step out of her comfort zone to protect the family...and herself.

A hyper-noir story that follows a relentless femme fatale who, after being left for dead, sets out to take revenge against her brother and his bombastic gang of gear-heads.

Young CIA analyst Joe Turner has his idealism tested when he learns that the CIA has been using an algorithm he developed to spy on American citizens, leading the organization to a terrorist plot that threatens the lives of millions. Inspired by Sydney Pollack’s 1975 political thriller Three Days of the Condor.

A limited anthology series that explores terror in America.

Set in a single room of an average American motel, each episode tells a different story of the assorted characters who pass through it.

Fresh out of prison, world-class thief Daisy ”Jett” Kowalski is forced back into doing what she does best by dangerous and eccentric criminals determined to exploit her skills for their own ends.

Minority Report follows the unlikely partnership between a man haunted by the future and a cop haunted by her past, as they race to stop the worst crimes of the year 2065 before they happen. Set in Washington, D.C., it is 10 years after the demise of Precrime, a law enforcement agency tasked with identifying and eliminating criminals... before their crimes were committed. To carry out this brand of justice, the agency used three precogs - "precognitives" Dash, Arthur and Agatha - who were able to see the future. Now, in 2065, crime-solving is different, and justice leans more on sophisticated and trusted technology than on the instincts of the precogs.

James, a disgraced firefighter turned grifter, seizes a chance, illicit opportunity to reverse his life’s worsening course as he attempts to prey upon Pastor Byron Brown, who turns out to be far more dangerous than he appears.

American Horror Story is an anthology horror drama series.

The story of Jim Worth, an expat British police officer starting a new life with his family as police chief in Little Big Bear, an idyllic town near the Rocky Mountains. When his small town is overrun by migrant workers from a massive new oil refinery – the wave of drugs, prostitution and organised crime that follows them threatens to sweep away everything in its wake.

Five ordinary people with superhuman physical and mental abilities are brought together to form one extraordinary team of Alphas. Operating within the U.S. Department of Defense, the team investigates cases that point to others with Alpha abilities.

An intense and fictionalized account of actual events and people surrounding Lizzie’s life after her controversial acquittal of the horrific double murder of her father and stepmother in 1892.

A dual coming-of-age comedy exploring the impact of internet porn and social media, Mrs. Fletcher follows empty nest divorcée Eve Fletcher — as she reinvents her life to find the happiness and sexual fulfillment that’s eluded her, and her college freshman son Brendan.

In this neo-noir thriller series, a pair of cash-strapped newlyweds accept a lucrative but morally dubious offer from a mysterious female benefactor.

Syd Burnett has left her complicated past behind to become an LAPD detective. Paired with a new partner, Nancy McKenna, a working mom with an equally complex past, Syd is pushed to examine whether her unapologetic lifestyle might be masking a greater personal secret. These two women don't agree on much, but they find common ground when it comes to taking on the most dangerous criminals in Los Angeles.

Follow a disillusioned teen recruited into a storied high school for assassins. Maintaining his moral code while surviving a ruthless curriculum, vicious social cliques, and his own adolescent uncertainties may prove fatal.

Corrupt ex-cop turned hitman Nick Sax's life is changed forever by a relentlessly positive, imaginary blue winged horse named Happy.

The iron-fisted Akhandanand Tripathi is a millionaire carpet exporter and the mafia don of Mirzapur. His son, Munna, is an unworthy, power-hungry heir who will stop at nothing to inherit his father's legacy. An incident at a wedding procession forces him to cross paths with Ramakant Pandit, an upstanding lawyer, and his sons, Guddu and Bablu. It snowballs into a game of ambition, power and greed that threatens the fabric of this lawless city.

When a gruesomely staged body is found, propped up on a mountain pass in the Alps close to the German-Austrian border, two detectives are sent to investigate. For German detective Ellie, this is the first real challenge of her career; her Austrian counterpart Gedeon though seems to have lost any ambitions in his job. Very soon, they discover more crime scenes with symbolically posed victims, reminiscent of pagan rituals. It all seems to be part of a bigger, sinister plan. Ellie finds herself under increasing pressure to understand the deranged killer's motives so she can stop him. The hunt leads them ever deeper in the dark valleys and archaic Alpine customs - and the paranoid world of the killer.

In a world mostly wiped out by the plague and embroiled in an elemental struggle between good and evil, the fate of mankind rests on the frail shoulders of the 108-year-old Mother Abagail and a handful of survivors. Their worst nightmares are embodied in a man with a lethal smile and unspeakable powers: Randall Flagg, the Dark Man.

What did the world look like as it was transforming into the horrifying apocalypse depicted in "The Walking Dead"? This spin-off set in Los Angeles, following new characters as they face the beginning of the end of the world, will answer that question.

Given superstrength and durability by a sabotaged experiment, a wrongly accused man escapes prison to become a superhero for hire.

A young medical student discovers that something sinister is going on in her hospital after routine procedures send more than a few seemingly healthy patients into comas on the operating table.

A Philadelphia couple are in mourning after an unspeakable tragedy creates a rift in their marriage and opens the door for a mysterious force to enter their home.

John Ellis, a disillusioned suburban ER doctor, who finds his existence transformed when he intervenes in a drive-by shooting, saving a young boy's life and killing one of his attackers. When he learns the boy is still marked for death he finds himself compelled to save him at any cost and discovers that his life and his outlook on medicine may never be the same.

After a tragic ending to her short-lived super hero stint, Jessica Jones is rebuilding her personal life and career as a detective who gets pulled into cases involving people with extraordinary abilities in New York City.

Ian Mitchell is a lawyer and father who one day receives a box containing a gun and a picture of a stranger, along with instructions to kill the pictured person. He is subsequently attacked by another stranger, and discovers that he has been chosen by a mysterious organization known as The Watchers to participate in a lethal game.

Stripped of everything, the survivors of a horrific plane crash must work together to stay alive. But the island holds many secrets.

Members of a secret society chase immortality by seeking refuge in the bodies of others.

Based on the stories of Stephen King, the series intertwines characters and themes from the fictional town of Castle Rock.

A skeptic is forced to work with a firm believer of the paranormal on unexplained occurrences in Los Angeles.

When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them to be soldiers. He taught them about the paranormal evil that lives in the dark corners and on the back roads of America ... and he taught them how to kill it. Now, the Winchester brothers crisscross the country in their '67 Chevy Impala, battling every kind of supernatural threat they encounter along the way.

Alex Godman, the English-raised son of Russian mafia exiles, has spent his life trying to escape the shadow of their past, building his own legitimate business and forging a life with his girlfriend Rebecca. But when a murder forces his family's past to return to threaten them, Alex is drawn into the criminal underworld and must confront his values to protect those he loves.

Persons Unknown is an American mystery drama television series that revolves around strangers who are imprisoned inside a small ghost town. The thirteen-episode summer series premiered on June 7, 2010 at 10:00 p.m. on NBC. On June 30, NBC moved the show to 8:00 p.m. on Saturday from its Monday time slot. It completed its run on August 28, 2010. The series was canceled shortly thereafter.

Criminal Minds: Suspect Behavior was a short-lived American police procedural drama that aired on CBS. The show debuted in 2011 as a spin-off from the successful Criminal Minds, which had premiered in 2005. This edition's profiling team also worked for the Federal Bureau of Investigation's Behavioral Analysis Unit in Quantico, Virginia. In an April 2010 episode of Criminal Minds, during the show's fifth season, the original team met the new team and worked with them to find a San Francisco serial killer. This episode served as the new series' backdoor pilot. Just like the parent series, CBS owned the underlying North American rights, while ABC owned the international rights. The series premiered on February 16, 2011, and filled the Wednesday 10 pm time slot, airing immediately after the original Criminal Minds. CBS cancelled the series on May 17, 2011. The series ends with a cliffhanger. On September 6, 2011 CBS DVD released the complete series as a 4 disc-set. It is packaged as "The DVD Edition". There are numerous special features and two episode commentaries with the cast and crew. The set includes the backdoor pilot from season five of the original show.

Dive into the depths of the Syrian civil war through the eyes of Antoine, a young French man, in search for his estranged, presumed to be dead sister. While unraveling the mystery, piece by piece, Antoine’s journey crosses paths with adventurers and anarchists, spies and innocent victims, and provides a unique look on the tragic events in Syria, and the way they affect the entire world.

The journey of Jean Holloway – a therapist who begins to develop dangerous and intimate relationships with the people in her patients' lives.

A financial adviser drags his family from Chicago to the Missouri Ozarks, where he must launder $500 million in five years to appease a drug boss.

Five teen girls deal with the supernatural fallout stemming from an innocent game of “Light as a Feather, Stiff as a Board.” When the girls start dying off in the exact way that was predicted, the survivors must figure out why they’re being targeted — and whether the evil force hunting them down is one of their own.