1. Game of Thrones
Seven noble families fight for control of the mythical land of Westeros. Friction between the houses leads to full-scale war. All while a very ancient evil awakens in the farthest north. Amidst the war, a neglected military order of misfits, the Night's Watch, is all that stands between the realms of men and icy horrors beyond.
It has an average vote of 8.447 on TMDB.
2. The Borgias
Set in 15th century Italy at the height of the Renaissance, The Borgias chronicles the corrupt rise of patriarch Rodrigo Borgia to the papacy, where he proceeds to commit every sin in the book to amass and retain power, influence and enormous wealth for himself and his family.
It has an average vote of 7.5 on TMDB.
3. 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 8.3 on TMDB.
4. Merlin
The unlikely friendship between Merlin, a young man gifted with extraordinary magical powers, and Prince Arthur, heir to the crown of Camelot.
It has an average vote of 7.8 on TMDB.
5. The Big Bang Theory
Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
It has an average vote of 7.897 on TMDB.
6. The Expanse
A thriller set two hundred years in the future following the case of a missing young woman who brings a hardened detective and a rogue ship's captain together in a race across the solar system to expose the greatest conspiracy in human history.
It has an average vote of 8.1 on TMDB.
7. Lost
Stripped of everything, the survivors of a horrific plane crash must work together to stay alive. But the island holds many secrets.
It has an average vote of 8 on TMDB.
8. 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 8.3 on TMDB.
9. Heroes
Common people discover that they have super powers. Their lives intertwine as a devastating event must be prevented.
It has an average vote of 7.5 on TMDB.
10. The Crown
The gripping, decades-spanning inside story of Her Majesty Queen Elizabeth II and the Prime Ministers who shaped Britain's post-war destiny. </p><p></p><p>The Crown tells the inside story of two of the most famous addresses in the world – Buckingham Palace and 10 Downing Street – and the intrigues, love lives and machinations behind the great events that shaped the second half of the 20th century. Two houses, two courts, one Crown.
It has an average vote of 8.229 on TMDB.
11. Orange Is the New Black
A crime she committed in her youthful past sends Piper Chapman to a women's prison, where she trades her comfortable New York life for one of unexpected camaraderie and conflict in an eccentric group of fellow inmates.
It has an average vote of 7.7 on TMDB.
12. Bates Motel
A "contemporary prequel" to the 1960 film Psycho, depicting the life of Norman Bates and his mother Norma prior to the events portrayed in Hitchcock's film, albeit in a different fictional town and in a modern setting. The series begins after the death of Norma's husband, when she purchases a motel located in a coastal Oregon town so she and Norman can start a new life.
It has an average vote of 8.1 on TMDB.
13. The Man in the High Castle
Explore what it would be like if the Allied Powers had lost WWII, and Japan and Germany ruled the United States. Based on Philip K. Dick's award-winning novel.
It has an average vote of 7.5 on TMDB.
14. Riverdale
Set in the present, the series offers a bold, subversive take on Archie, Betty, Veronica and their friends, exploring the surreality of small-town life, the darkness and weirdness bubbling beneath Riverdale’s wholesome facade.
It has an average vote of 8.5 on TMDB.
15. The Vampire Diaries
The story of two vampire brothers obsessed with the same girl, who bears a striking resemblance to the beautiful but ruthless vampire they knew and loved in 1864.
It has an average vote of 8.341 on TMDB.
16. Medici: Masters of Florence
The story of the Medici family of Florence, their ascent from simple merchants to power brokers sparking an economic and cultural revolution. Along the way, they also accrue a long list of powerful enemies.
It has an average vote of 7.8 on TMDB.
17. The Night Manager
Former British soldier Jonathan Pine navigates the shadowy recesses of Whitehall and Washington where an unholy alliance operates between the intelligence community and the secret arms trade. To infiltrate the inner circle of lethal arms dealer Richard Onslow Roper, Pine must himself become a criminal.
It has an average vote of 7.8 on TMDB.
18. Blackadder
Cunning plans and cutting comedy as the Blackadder dynasty plot their way through British history.
It has an average vote of 7.9 on TMDB.
19. The Boys
A group of vigilantes known informally as “The Boys” set out to take down corrupt superheroes with no more than blue-collar grit and a willingness to fight dirty.
It has an average vote of 8.471 on TMDB.
20. The Walking Dead
Sheriff's deputy Rick Grimes awakens from a coma to find a post-apocalyptic world dominated by flesh-eating zombies. He sets out to find his family and encounters many other survivors along the way.
It has an average vote of 8.118 on TMDB.
21. Sherlock
A modern update finds the famous sleuth and his doctor partner solving crime in 21st century London.
It has an average vote of 8.524 on TMDB.