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 6.8 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 7.3 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 7.311 on TMDB.
4. 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 7.6 on TMDB.
5. 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 7.417 on TMDB.
6. 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 8.297 on TMDB.
7. 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 8.2 on TMDB.
8. Black Lightning
Jefferson Pierce is a man wrestling with a secret. As the father of two daughters and principal of a charter high school that also serves as a safe haven for young people in a New Orleans neighborhood overrun by gang violence, he is a hero to his community.
It has an average vote of 7.1 on TMDB.
9. Batwoman
Kate Kane, armed with a passion for social justice and a flair for speaking her mind, soars onto the streets of Gotham as Batwoman, an out lesbian and highly trained street fighter primed to snuff out the failing city's criminal resurgence. But don't call her a hero yet. In a city desperate for a savior, Kate must overcome her own demons before embracing the call to be Gotham's symbol of hope
It has an average vote of 7 on TMDB.
10. 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 8.474 on TMDB.
11. 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 7.902 on TMDB.
12. 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.
13. 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 8.4 on TMDB.
14. Marvel's Iron Fist
Danny Rand resurfaces 15 years after being presumed dead. Now, with the power of the Iron Fist, he seeks to reclaim his past and fulfill his destiny.
It has an average vote of 6.5 on TMDB.
15. 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 7.5 on TMDB.
16. Superman & Lois
After years of facing megalomaniacal supervillains, monsters wreaking havoc on Metropolis, and alien invaders intent on wiping out the human race, The Man of Steel aka Clark Kent and Lois Lane come face to face with one of their greatest challenges ever: dealing with all the stress, pressures and complexities that come with being working parents in today's society.
It has an average vote of 8.1 on TMDB.
17. Titans
A team of young superheroes led by Nightwing form to combat evil and other perils.
It has an average vote of 7.9 on TMDB.
18. 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 8.46 on TMDB.
19. 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 7.9 on TMDB.
20. The Blacklist
Raymond "Red" Reddington, one of the FBI's most wanted fugitives, surrenders in person at FBI Headquarters in Washington, D.C. He claims that he and the FBI have the same interests: bringing down dangerous criminals and terrorists. In the last two decades, he's made a list of criminals and terrorists that matter the most but the FBI cannot find because it does not know they exist. Reddington calls this "The Blacklist". Reddington will co-operate, but insists that he will speak only to Elizabeth Keen, a rookie FBI profiler.
It has an average vote of 7.619 on TMDB.