TV Series/TV Mini-Series, Rating Count at least 5,000, Mystery (Sorted by IMDb Rating Descending)
1. Avatar: The Last Airbender (2005–2008)
TV-Y7-FV | 23 min | Animation, Action, Adventure
In a war-torn world of elemental magic, a young boy reawakens to undertake a dangerous mystic quest to fulfill his destiny as the Avatar, and bring peace to the world.
2. Leyla and Mecnun (2011–2014)
TV-PG | 80 min | Adventure, Comedy, Drama
Turkish television comedy series set in Istanbul, Leyla and Mecnun is a surreal and absurd comedy that revolves around the fictional love story between Leyla and Mecnun.
5. True Detective (2014– )
TV-MA | 55 min | Crime, Drama, Mystery
Seasonal anthology series in which police investigations unearth the personal and professional secrets of those involved, both within and outside the law.
6. Death Note (2006–2007)
TV-14 | 24 min | Animation, Crime, Drama
An intelligent high school student goes on a secret crusade to eliminate criminals from the world after discovering a notebook capable of killing anyone whose name is written into it.
13. The Haunting of Hill House (2018– )
TV-MA | 50 min | Drama, Horror, Mystery
Flashing between past and present, a fractured family confronts haunting memories of their old home and the terrifying events that drove them from it.
14. Masum (2017)
60 min | Crime, Drama, Mystery
Cevdet (Haluk Bilginer), a retired commissioner, and his wife spend their pensions in peace on a farm away from the city. Suddenly the life of the family is destroyed by the sudden arrival of a terrible news from the little son.
15. Behzat Ç.: Bir Ankara Polisiyesi (2010–2019)
TV-14 | 90 min | Crime, Drama, Mystery
Centered around a personally troubled, officially discredited police chief and his inharmonious police team in Ankara Police Force. Even though the show usually focuses on murders and other... See full summary »
16. Bron/Broen (2011–2018)
TV-MA | 60 min | Crime, Mystery, Thriller
When a body is found on the bridge between Denmark and Sweden, right on the border, Danish inspector Martin Rohde and Swedish Saga Norén have to share jurisdiction and work together to find the killer.
20. House (2004–2012)
TV-14 | 44 min | Drama, Mystery
An antisocial maverick doctor who specializes in diagnostic medicine does whatever it takes to solve puzzling cases that come his way using his crack team of doctors and his wits.
21. The Memoirs of Sherlock Holmes (1994)
60 min | Crime, Drama, Mystery
Holmes, his friend Watson (or his brother Mycroft) work to solve the mysteries of The Three Gables, The Dying Detective, The Golden Pince-Nez, The Red Circle, The Mazarin Stone, and The ... See full summary »
22. The X-Files (1993– )
TV-14 | 45 min | Drama, Mystery, Sci-Fi
Two F.B.I. Agents, Fox Mulder the believer and Dana Scully the skeptic, investigate the strange and unexplained, while hidden forces work to impede their efforts.
23. The Return of Sherlock Holmes (1986–1988)
TV-PG | 60 min | Crime, Drama, Mystery
Sherlock Holmes and Dr Watson solve the mysteries of the devil's foot, Silver Blaze, Wisteria Lodge and the Bruce-Partington Plans.
24. The Adventures of Sherlock Holmes (1984–1985)
TV-PG | 60 min | Crime, Drama, Mystery
Sherlock Holmes and Dr Watson solve the mysteries of copper beeches, a Greek interpreter, the Norwood builder, a resident patient, the red-headed league, and one final problem.
25. Money Heist (2017– )
TV-MA | 70 min | Action, Crime, Mystery
A group of very peculiar robbers assault the Factory of Moneda and Timbre to carry out the most perfect robbery in the history of Spain and take home 2.4 billion euros.
27. Big Little Lies (2017– )
TV-MA | 60 min | Crime, Drama, Mystery
The apparently perfect lives of upper-class mothers, at a prestigious elementary school, unravel to the point of murder when a single-mother moves to their quaint Californian beach town.
28. Endeavour (2012– )
TV-14 | 89 min | Crime, Drama, Mystery
Set in the 1960s, the show follows Endeavour Morse in his early years as a police constable. Working alongside his senior partner DI Fred Thursday, Morse engages in a number of investigations around Oxford.
29. Line of Duty (2012– )
Not Rated | 60 min | Crime, Drama, Mystery
DS Steve Arnott is transferred to the police anti-corruption unit after the death of a man in a mistaken shooting during a counter-terrorist operation.
31. Code Geass: Lelouch of the Rebellion (2006–2012)
TV-14 | 24 min | Animation, Action, Adventure
After being given a mysterious power to control others, an outcast prince becomes the masked leader of the rebellion against an all powerful empire
35. Star Trek: The Next Generation (1987–1994)
TV-PG | 44 min | Action, Adventure, Mystery
Set almost 100 years after Captain Kirk's five-year mission, a new generation of Starfleet officers set off in the U.S.S. Enterprise-D on their own mission to go where no one has gone before.
36. Alfred Hitchcock Presents (1955–1962)
TV-14 | 25 min | Crime, Drama, Mystery
Series of unrelated short stories covering elements of crime, horror, drama, and comedy about people of different backgrounds committing murders, suicides, thefts, and other sorts of crime caused by certain motivations, perceived or not.
37. Erased (2016)
TV-14 | 30 min | Animation, Drama, Fantasy
29 year old Satoru Fujinuma is sent back in time 18 years to prevent the events leading to his mother's death, which began with a series of kidnappings in his 5th grade year.
39. Taboo (2017– )
TV-MA | 59 min | Drama, Mystery, Thriller
Adventurer James Keziah Delaney returns to London during the War of 1812 to rebuild his late father's shipping empire. However, both the government and his biggest competitor want his inheritance at any cost - even murder.
40. Hannibal (2013–2015)
TV-14 | 44 min | Crime, Drama, Horror
Explores the early relationship between the renowned psychiatrist and his patient, a young FBI criminal profiler, who is haunted by his ability to empathize with serial killers.
41. Grand Hotel (2011–2013)
TV-14 | 60 min | Crime, Drama, Mystery
A compelling and suspenseful Spanish story of a family-owned hotel set in 1905, which is scene to love, blackmail, jealousies, crime, comedy, plots, counter-plots involving the owners, customers, detectives and its residential employees.
43. Supernatural (2005– )
TV-14 | 44 min | Drama, Fantasy, Horror
Two brothers follow their father's footsteps as hunters, fighting evil supernatural beings of many kinds, including monsters, demons, and gods that roam the earth.
44. Carnivàle (2003–2005)
TV-MA | 55 min | Drama, Fantasy, Mystery
During the Great Depression, an Oklahoma farm boy and a charismatic minister learn that they are key players in a proxy war being fought between Heaven and Hell.
45. The New Batman Adventures (1997–1999)
TV-PG | 30 min | Animation, Action, Adventure
The further and darker adventures of Batman with a new Robin, a closer association with Batgirl and the previous Robin now as Nightwing.
46. The Prisoner (1967–1968)
TV-PG | 50 min | Drama, Mystery, Sci-Fi
After resigning, a secret agent is abducted and taken to what looks like an idyllic village, but is really a bizarre prison. His warders demand information. He gives them nothing, but only tries to escape.
47. The Expanse (2015– )
TV-14 | 60 min | Drama, Mystery, Sci-Fi
A police detective in the asteroid belt, the first officer of an interplanetary ice freighter and an earth-bound United Nations executive slowly discover a vast conspiracy that threatens the Earth's rebellious colony on the asteroid belt.
48. Sense8 (2015–2018)
TV-MA | 60 min | Drama, Mystery, Sci-Fi
A group of people around the world are suddenly linked mentally, and must find a way to survive being hunted by those who see them as a threat to the world's order.
49. Utopia (I) (2013–2014)
TV-MA | 50 min | Drama, Mystery, Sci-Fi
After a group of people, who meet online, discover a bizarre graphic novel which seems to hold mysterious answers, they find themselves being tracked down by a merciless organization known merely as 'The Network'.