1. Dexter
Dexter Morgan, a blood spatter pattern analyst for the Miami Metro Police also leads a secret life as a serial killer, hunting down criminals who have slipped through the cracks of justice.
It has an average vote of 8.191 on TMDB.
2. Mad Men
Set in 1960-1970 New York, this sexy, stylized and provocative drama follows the lives of the ruthlessly competitive men and women of Madison Avenue advertising.
It has an average vote of 8.102 on TMDB.
3. True Blood
Thanks to a Japanese scientist's invention of synthetic blood vampires have progressed from legendary monsters to fellow citizens overnight. And while humans have been safely removed from the menu, many remain apprehensive about these creatures "coming out of the coffin." Religious leaders, government officials, and vampire fundamentalists around the world have chosen their sides, but in the small Louisiana town of Bon Temps, the jury is still out.
It has an average vote of 7.6 on TMDB.
4. The Sopranos
The story of New Jersey-based Italian-American mobster Tony Soprano and the difficulties he faces as he tries to balance the conflicting requirements of his home life and the criminal organization he heads. Those difficulties are often highlighted through his ongoing professional relationship with psychiatrist Jennifer Melfi. The show features Tony's family members and Mafia associates in prominent roles and story arcs, most notably his wife Carmela and his cousin and protégé Christopher Moltisanti.
It has an average vote of 8.614 on TMDB.
5. Breaking Bad
When Walter White, a New Mexico chemistry teacher, is diagnosed with Stage III cancer and given a prognosis of only two years left to live. He becomes filled with a sense of fearlessness and an unrelenting desire to secure his family's financial future at any cost as he enters the dangerous world of drugs and crime.
It has an average vote of 8.89 on TMDB.
6. The Haunting of Hill House
The Crains, a fractured family, confront haunting memories of their old home and the terrifying events that drove them from it.
It has an average vote of 8.125 on TMDB.
7. Band of Brothers
Drawn from interviews with survivors of Easy Company, as well as their journals and letters, Band of Brothers chronicles the experiences of these men from paratrooper training in Georgia through the end of the war. As an elite rifle company parachuting into Normandy early on D-Day morning, participants in the Battle of the Bulge, and witness to the horrors of war, the men of Easy knew extraordinary bravery and extraordinary fear - and became the stuff of legend. Based on Stephen E. Ambrose's acclaimed book of the same name.
It has an average vote of 8.488 on TMDB.
8. American Horror Story
An anthology horror drama series centering on different characters and locations, including a house with a murderous past, an asylum, a witch coven, a freak show, a hotel, a farmhouse in Roanoke, a cult, the apocalypse and a summer camp.
It has an average vote of 8.1 on TMDB.
9. Fringe
FBI Special Agent Olivia Dunham, brilliant but formerly institutionalized scientist Walter Bishop and his scheming, reluctant son Peter uncover a deadly mystery involving a series of unbelievable events and realize they may be a part of a larger, more disturbing pattern that blurs the line between science fiction and technology.
It has an average vote of 8.1 on TMDB.
10. Boardwalk Empire
Atlantic City at the dawn of Prohibition is a place where the rules don't apply. And the man who runs things -- legally and otherwise -- is the town's treasurer, Enoch "Nucky" Thompson, who is equal parts politician and gangster.
It has an average vote of 7.993 on TMDB.
11. Westworld
A dark odyssey about the dawn of artificial consciousness and the evolution of sin. Set at the intersection of the near future and the reimagined past, it explores a world in which every human appetite, no matter how noble or depraved, can be indulged.
It has an average vote of 8.1 on TMDB.
12. Fleabag
A comedy series adapted from the award-winning play about a young woman trying to cope with life in London while coming to terms with a recent tragedy.
It has an average vote of 8.317 on TMDB.
13. Fargo
A close-knit anthology series dealing with stories involving malice, violence and murder based in and around Minnesota.
It has an average vote of 8.312 on TMDB.
14. Better Call Saul
Six years before Saul Goodman meets Walter White. We meet him when the man who will become Saul Goodman is known as Jimmy McGill, a small-time lawyer searching for his destiny, and, more immediately, hustling to make ends meet. Working alongside, and, often, against Jimmy, is “fixer” Mike Ehrmantraut. The series tracks Jimmy’s transformation into Saul Goodman, the man who puts “criminal” in “criminal lawyer".
It has an average vote of 8.6 on TMDB.
15. Hannibal
Both a gift and a curse, Graham has the extraordinary ability to think like his prey—he sees what they see, feels what they feel. But while Graham is pursuing an especially troubling, cannibalistic murderer, Special Agent Jack Crawford teams him with a highly respected psychiatrist – a man with a taste for the criminal minded – Dr. Hannibal Lecter.
It has an average vote of 8.232 on TMDB.
16. Arrested Development
The story of a wealthy family that lost everything, and the one son who had no choice but to keep them all together.
It has an average vote of 7.981 on TMDB.
17. Rome
A down-to-earth account of the lives of both illustrious and ordinary Romans set in the last days of the Roman Republic.
It has an average vote of 8.263 on TMDB.
18. The Wire
Told from the points of view of both the Baltimore homicide and narcotics detectives and their targets, the series captures a universe in which the national war on drugs has become a permanent, self-sustaining bureaucracy, and distinctions between good and evil are routinely obliterated.
It has an average vote of 8.536 on TMDB.
19. Death Note (DEATH NOTE)
Light Yagami is an ace student with great prospects—and he’s bored out of his mind. But all that changes when he finds the Death Note, a notebook dropped by a rogue Shinigami death god. Any human whose name is written in the notebook dies, and Light has vowed to use the power of the Death Note to rid the world of evil. But will Light succeed in his noble goal, or will the Death Note turn him into the very thing he fights against?
It has an average vote of 8.639 on TMDB.
20. Endeavour
The early days of a young Endeavour Morse, whose experiences as a detective constable with the Oxford City Police will ultimately shape his future.
It has an average vote of 8.146 on TMDB.
21. House of Cards
Set in present day Washington, D.C., House of Cards is the story of Frank Underwood, a ruthless and cunning politician, and his wife Claire who will stop at nothing to conquer everything. This wicked political drama penetrates the shadowy world of greed, sex and corruption in modern D.C.
It has an average vote of 8.044 on TMDB.