1. Scrubs
In the unreal world of Sacred Heart Hospital, John "J.D." Dorian learns the ways of medicine, friendship and life.
It has an average vote of 8 on TMDB.
2. Prison Break
Due to a political conspiracy, an innocent man is sent to death row and his only hope is his brother, who makes it his mission to deliberately get himself sent to the same prison in order to break the both of them out, from the inside out.
It has an average vote of 8.1 on TMDB.
3. 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 8.296 on TMDB.
4. Roswell
Bizarre things start happening in the little New Mexico town where UFOs were spotted in 1947. Cut to 1999, when a cute high-school student saves the life of a teenage waitress. Surrounded by cliques of clever, angst-filled classmates, the two form a bond that threatens the survival of a secret universe involving superhuman powers, a yen for hot sauce and an alien gene pool.
It has an average vote of 7.7 on TMDB.
5. Roswell, New Mexico
After reluctantly returning to her tourist-trap hometown of Roswell, New Mexico, the daughter of undocumented immigrants discovers a shocking truth about her teenage crush who is now a police officer—he’s an alien who has kept his unearthly abilities hidden his entire life. She protects his secret as the two reconnect and begin to investigate his origins, but when a violent attack and long-standing government cover-up point to a greater alien presence on Earth, the politics of fear and hatred threaten to expose him and destroy their deepening romance.
It has an average vote of 7.856 on TMDB.
6. Malcolm in the Middle
A gifted young teen tries to survive life with his dimwitted, dysfunctional family.
It has an average vote of 8.5 on TMDB.
7. 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.
8. Stargate SG-1
The story of Stargate SG-1 begins about a year after the events of the feature film, when the United States government learns that an ancient alien device called the Stargate can access a network of such devices on a multitude of planets. SG-1 is an elite Air Force special operations team, one of more than two dozen teams from Earth who explore the galaxy and defend against alien threats such as the Goa'uld, Replicators, and the Ori.
It has an average vote of 8.235 on TMDB.
9. Justice League Unlimited
Justice League Unlimited is an American animated television series that was produced by Warner Bros. Animation and aired on Cartoon Network. Featuring a wide array of superheroes from the DC Comics universe, and specifically based on the Justice League superhero team, it is a direct sequel to the previous Justice League animated series.
It has an average vote of 8.3 on TMDB.
10. The Mentalist
Patrick Jane, a former celebrity psychic medium, uses his razor sharp skills of observation and expertise at "reading" people to solve serious crimes with the California Bureau of Investigation.
It has an average vote of 8.4 on TMDB.
11. Grimm
After Portland homicide detective Nick Burkhardt discovers he's descended from an elite line of criminal profilers known as "Grimms," he increasingly finds his responsibilities as a detective at odds with his new responsibilities as a Grimm.
It has an average vote of 8.3 on TMDB.
12. Constantine
A man struggling with his faith is haunted by the sins of his past but is suddenly thrust into the role of defending humanity from the gathering forces of darkness.
It has an average vote of 7.8 on TMDB.
13. 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.
14. That '70s Show
Crank up the 8-track and flash back to a time when platform shoes and puka shells were all the rage in this hilarious retro-sitcom. For Eric, Kelso, Jackie, Hyde, Donna and Fez, a group of high school teens who spend most of their time hanging out in Eric’s basement, life in the ‘70s isn’t always so groovy. But between trying to figure out the meaning of life, avoiding their parents, and dealing with out-of-control hormones, they’ve learned one thing for sure: they’ll always get by with a little help from their friends.
It has an average vote of 7.966 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 7.8 on TMDB.
16. 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.
17. 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 8.338 on TMDB.
18. Angel
The vampire Angel, cursed with a soul, moves to Los Angeles and aids people with supernatural-related problems while questing for his own redemption. A spin-off from Buffy the Vampire Slayer.
It has an average vote of 7.9 on TMDB.
19. Chuck
When Buy More computer geek Chuck Bartowski unwittingly downloads a database of government information and deadly fighting skills into his head, he becomes the CIA's most vital secret. This sets Chuck on a path to become a full-fledged spy.
It has an average vote of 7.7 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 8.1 on TMDB.