1. Warehouse 13
After saving the life of the President, two secret service agents - Myka Bering and Pete Lattimer - find themselves assigned to the top secret Warehouse 13. The Warehouse is a massive, top secret facility that houses dangerous and fantastical objects. Together, Pete and Myka along with fellow agents Claudia, Steve Jinks and Warehouse caretaker Artie, must recover artifacts from around the globe before they can cause catastrophic damage.
It has an average vote of 7.669 on TMDB.
2. 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 7.308 on TMDB.
3. Breaking Bad
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 8.911 on TMDB.
4. Reacher
Jack Reacher, a veteran military police investigator, has just recently entered civilian life. Reacher is a drifter, carrying no phone and the barest of essentials as he travels the country and explores the nation he once served.
It has an average vote of 8.077 on TMDB.
5. 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 6.817 on TMDB.
6. How to Get Away with Murder
A sexy, suspense-driven legal thriller about a group of ambitious law students and their brilliant, mysterious criminal defense professor. They become entangled in a murder plot and will shake the entire university and change the course of their lives.
It has an average vote of 7.849 on TMDB.
7. Mayday
Major real-life air disasters are depicted in this series. Each episode features a detailed dramatized reconstruction of the incident based on cockpit voice recorders and air traffic control transcripts, as well as eyewitnesses recounts and interviews with aviation experts.
It has an average vote of 8.204 on TMDB.
8. NOVA
PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.
It has an average vote of 6.802 on TMDB.
9. The Gentlemen
When aristocratic Eddie inherits the family estate, he discovers that it's home to an enormous weed empire — and its proprietors aren't going anywhere.
It has an average vote of 8.081 on TMDB.
10. The Falcon and the Winter Soldier
Following the events of “Avengers: Endgame”, the Falcon, Sam Wilson and the Winter Soldier, Bucky Barnes team up in a global adventure that tests their abilities, and their patience.
It has an average vote of 7.7 on TMDB.
11. Criminal: Spain (Criminal: España)
Psychological games abound between detectives and suspects in a tense interrogation room, where the search for answers sometimes comes at a moral cost.
It has an average vote of 6.606 on TMDB.
12. Impractical Jokers
This hidden-camera series follows four lifelong friends -- Brian "Q"' Quinn, James "Murr"' Murray, Joe Gatto and Sal Vulcano -- who take dares to an outrageous level. To find out who is best under pressure, the guys compete in awkward and outrageous hidden-camera hijinks with the loser performing what is deemed to be the most-mortifying challenge yet.
It has an average vote of 7.9 on TMDB.
13. The Diplomat
In the midst of an international crisis, a career diplomat lands in a high-profile job she’s unsuited for, with tectonic implications for her marriage and her political future.
It has an average vote of 7.4 on TMDB.
14. 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 8.451 on TMDB.
15. The Flash
After being struck by lightning, CSI investigator Barry Allen awakens from a nine-month coma to discover he has been granted the gift of super speed. Teaming up with S.T.A.R. Labs, Barry takes on the persona of The Flash, the Fastest Man Alive, to protect his city.
It has an average vote of 7.787 on TMDB.
16. Battlestar Galactica
When an old enemy, the Cylons, resurface and obliterate the 12 colonies, the crew of the aged Galactica protect a small civilian fleet - the last of humanity - as they journey toward the fabled 13th colony, Earth.
It has an average vote of 8.2 on TMDB.
17. The Tattooist of Auschwitz
The powerful real-life story of Lali Sokolov, a Jewish prisoner who was tasked with tattooing ID numbers on prisoners' arms in the Auschwitz-Birkenau concentration camp during World War II.
It has an average vote of 8.236 on TMDB.
18. 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 7.944 on TMDB.
19. One Day
After spending graduation night together, Emma and Dexter go their separate ways — but their lives remain intertwined.
It has an average vote of 7.856 on TMDB.
20. NCIS: Los Angeles
The exploits of the Los Angeles–based Office of Special Projects , an elite division of the Naval Criminal Investigative Service that specializes in undercover assignments.
It has an average vote of 7.541 on TMDB.