1. Arrow
Spoiled billionaire playboy Oliver Queen is missing and presumed dead when his yacht is lost at sea. He returns five years later a changed man, determined to clean up the city as a hooded vigilante armed with a bow.
It has an average vote of 6.792 on TMDB.
2. Supergirl
Twenty-four-year-old Kara Zor-El, who was taken in by the Danvers family when she was 13 after being sent away from Krypton, must learn to embrace her powers after previously hiding them. The Danvers teach her to be careful with her powers, until she has to reveal them during an unexpected disaster, setting her on her journey of heroism.
It has an average vote of 7.332 on TMDB.
3. DC's Legends of Tomorrow
When heroes alone are not enough ... the world needs legends. Having seen the future, one he will desperately try to prevent from happening, time-traveling rogue Rip Hunter is tasked with assembling a disparate group of both heroes and villains to confront an unstoppable threat — one in which not only is the planet at stake, but all of time itself. Can this ragtag team defeat an immortal threat unlike anything they have ever known?
It has an average vote of 7.333 on TMDB.
4. 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 8.441 on TMDB.
5. 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 8.1 on TMDB.
6. Lucifer
Bored and unhappy as the Lord of Hell, Lucifer Morningstar abandoned his throne and retired to Los Angeles, where he has teamed up with LAPD detective Chloe Decker to take down criminals. But the longer he's away from the underworld, the greater the threat that the worst of humanity could escape.
It has an average vote of 8.487 on TMDB.
7. Supernatural
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.
It has an average vote of 8.302 on TMDB.
8. Gotham
Everyone knows the name Commissioner Gordon. He is one of the crime world's greatest foes, a man whose reputation is synonymous with law and order. But what is known of Gordon's story and his rise from rookie detective to Police Commissioner? What did it take to navigate the multiple layers of corruption that secretly ruled Gotham City, the spawning ground of the world's most iconic villains? And what circumstances created them – the larger-than-life personas who would become Catwoman, The Penguin, The Riddler, Two-Face and The Joker?
It has an average vote of 7.61 on TMDB.
9. 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 8.479 on TMDB.
10. The 100
100 years in the future, when the Earth has been abandoned due to radioactivity, the last surviving humans live on an ark orbiting the planet — but the ark won't last forever. So the repressive regime picks 100 expendable juvenile delinquents to send down to Earth to see if the planet is still habitable.
It has an average vote of 7.915 on TMDB.
11. 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 7.877 on TMDB.
12. The Good Doctor
Shaun Murphy, a young surgeon with autism and savant syndrome, relocates from a quiet country life to join a prestigious hospital's surgical unit. Unable to personally connect with those around him, Shaun uses his extraordinary medical gifts to save lives and challenge the skepticism of his colleagues.
It has an average vote of 8.504 on TMDB.
13. The Simpsons
Set in Springfield, the average American town, the show focuses on the antics and everyday adventures of the Simpson family; Homer, Marge, Bart, Lisa and Maggie, as well as a virtual cast of thousands. Since the beginning, the series has been a pop culture icon, attracting hundreds of celebrities to guest star. The show has also made name for itself in its fearless satirical take on politics, media and American life in general.
It has an average vote of 7.998 on TMDB.
14. Marvel's Agents of S.H.I.E.L.D.
Agent Phil Coulson of S.H.I.E.L.D. puts together a team of agents to investigate the new, the strange and the unknown around the globe, protecting the ordinary from the extraordinary.
It has an average vote of 7.492 on TMDB.
15. Marvel's Daredevil
Lawyer-by-day Matt Murdock uses his heightened senses from being blinded as a young boy to fight crime at night on the streets of Hell’s Kitchen as Daredevil.
It has an average vote of 8.173 on TMDB.
16. 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 8.889 on TMDB.
17. Rick and Morty
Rick is a mentally-unbalanced but scientifically gifted old man who has recently reconnected with his family. He spends most of his time involving his young grandson Morty in dangerous, outlandish adventures throughout space and alternate universes. Compounded with Morty's already unstable family life, these events cause Morty much distress at home and school.
It has an average vote of 8.701 on TMDB.
18. The Flash
When a bolt of lightening crashes through a police crime lab, a mix of electrically charged substances bathes chemist Barry Allen, transforming him into the fastest man alive--The Flash.
It has an average vote of 7.4 on TMDB.
19. Stranger Things
When a young boy vanishes, a small town uncovers a mystery involving secret experiments, terrifying supernatural forces, and one strange little girl.
It has an average vote of 8.626 on TMDB.
20. Grey's Anatomy
Follows the personal and professional lives of a group of doctors at Seattle’s Grey Sloan Memorial Hospital.
It has an average vote of 8.3 on TMDB.
21. Titans
A team of young superheroes led by Nightwing form to combat evil and other perils.
It has an average vote of 7.977 on TMDB.