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 6.817 on TMDB.
2. Chappelle's Show
Dave Chappelle's singular point of view is unleashed through a combination of laidback stand-up and street-smart sketches.
It has an average vote of 8.058 on TMDB.
3. Sliders
In his basement in San Francisco, boy-genius Quinn Mallory unlocks the doorway to an infinite number of Earths. During a test run, Quinn invites co-worker Wade Welles and his teacher Professor Maximillian Arturo to see his new invention. But an increase in power and an early departure leave all three, plus a washed-up soul singer named Rembrandt "Crying Man" Brown, lost in a parallel world. Now they must "slide" from world to world, not only adapting to their changing surroundings, but also trying to get back to their world. Will they ever make it home?
It has an average vote of 7.612 on TMDB.
4. 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 7.978 on TMDB.
5. Ghost Adventures
Paranormal investigator Zak Bagans and his crew, Nick Groff and Aaron Goodwin, search for haunted locations both domestically and internationally. During their investigations, Zak and crew acquaint themselves with the general area; interview locals about the hauntings; and go face-to-face with the evil spirits who reportedly haunt these locations.
It has an average vote of 7.8 on TMDB.
6. FlashForward
When the entire world blacks out for two minutes and seventeen seconds, everyone sees a flash of their own future 6 months from the present. For some, the future is hopeful, while for others, it is unexpected. For a few, it doesn't seem to exist. Knowing their fate will alter each person's life, destinies will be changed.
It has an average vote of 7.046 on TMDB.
7. Dollhouse
Echo is a member of a highly illegal and underground group of individuals whose personalities have been wiped clean so they can be imprinted with any number of new personas. Confined between missions to a secret facility known as the Dollhouse, the "Actives" are hired by the wealthy, powerful and connected to wholly become—with mind, personality and physiology—whomever the client wants or needs them to be. They know no other life than the specific engagements they are in at that time—or do they?
It has an average vote of 7.259 on TMDB.
8. Boston Legal
Alan Shore and Denny Crane lead a brigade of high-priced civil litigators in an upscale Boston law firm in a series focusing on the professional and personal lives of brilliant but often emotionally challenged attorneys. A spin-off of long-running series The Practice.
It has an average vote of 7.874 on TMDB.
9. Hitler and the Nazis: Evil on Trial
This gripping docuseries examines Adolf Hitler and the Nazis' rise, rule and reckoning from pre-WWII to the Holocaust to the Nuremberg trials.
It has an average vote of 6.643 on TMDB.
10. How the Universe Works
A users' guide to the cosmos, from the Big Bang to galaxies, stars, planets and moons: where did it all come from and how does it all fit together? A primer for anyone who has ever looked up at the night sky and wondered.
It has an average vote of 8.2 on TMDB.
11. Without a Trace
The series follows the ventures of a Missing Persons Unit of the FBI in New York City.
It has an average vote of 7.296 on TMDB.
12. Detectorists
The lives of two eccentric metal detectorists, who spend their days plodding along ploughed tracks and open fields, hoping to disturb the tedium by unearthing the fortune of a lifetime.
It has an average vote of 8.2 on TMDB.
13. The Bridge
A murdered body on a bridge between El Paso and Juarez bring together El Paso detective Sonya Cross and Chihuahua State Police detective Marco Ruiz.
It has an average vote of 6.686 on TMDB.
14. Masters of Sex
William Masters and Virginia Johnson are real-life pioneers of the science of human sexuality. Their research touched off the sexual revolution and took them from a midwestern teaching hospital to the cover of Time magazine and multiple appearances on Johnny Carson's couch. He is a brilliant scientist out of touch with his own feelings, and she is a single working mother ahead of her time. The series chronicles their unusual lives, romance, and unlikely pop culture trajectory.
It has an average vote of 7.074 on TMDB.
15. Neverland
Raised on the streets of turn-of-the century London, orphaned Peter and his pals survive by their fearless wits as cunning young pickpockets. Now, they've been rounded up by their mentor Jimmy Hook to snatch a priceless—some believe, magical—treasure which transports them to Neverland.
It has an average vote of 6.092 on TMDB.
16. An Idiot Abroad
An Idiot Abroad is a British travel documentary television series broadcast on Sky1 and Science, as well as spin-off books published by Canongate Books, created by Ricky Gervais and Stephen Merchant and starring Karl Pilkington. The ongoing theme of both the television series and the books is that Pilkington has no interest in global travel, so Merchant and Gervais make him travel while they stay in the United Kingdom and monitor his progress.
It has an average vote of 7.686 on TMDB.
17. The Tommyknockers
A buried UFO slowly turns local inhabitants into gizmo-building alien mutants.
It has an average vote of 5.557 on TMDB.
18. Ghosts
A cash-strapped young couple inherits a grand country house, only to find it is both falling apart and teeming with the ghosts of former inhabitants.
It has an average vote of 8.041 on TMDB.
19. Agatha Christie's Poirot
From England to Egypt, accompanied by his elegant and trustworthy sidekicks, the intelligent yet eccentrically-refined Belgian detective Hercule Poirot pits his wits against a collection of first class deceptions.
It has an average vote of 8.159 on TMDB.
20. Ally McBeal
Ally McBeal is a young lawyer working at the Boston law firm Cage and Fish. Ally's lives and loves are eccentric, humorous, dramatic with an incredibly overactive imagination that's working overtime!
It has an average vote of 6.522 on TMDB.