1. 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 7.897 on TMDB.
2. 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 8.285 on TMDB.
3. 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.
4. How I Met Your Mother
A father recounts to his children - through a series of flashbacks - the journey he and his four best friends took leading up to him meeting their mother.
It has an average vote of 8.2 on TMDB.
5. Sanctuary
The adventures of the beautiful, enigmatic and always surprising Dr. Helen Magnus, a brilliant scientist who holds the secrets of a clandestine population called Abnormals - a group of strange and sometimes terrifying beings that hide among humans. Magnus seeks to protect this threatened phenomena as well as unlock the mysteries behind their existence.
It has an average vote of 7.2 on TMDB.
6. Anger Management
Charlie is a non-traditional therapist specializing in anger management. He has a successful private practice and he performs pro bono counseling for an inmate group at a state prison. Prior to his career as a therapist, he was a major league baseball player whose career was put on the shelf for good by his own struggle with anger issues.
It has an average vote of 6.2 on TMDB.
7. The Office
The everyday lives of office employees in the Scranton, Pennsylvania branch of the fictional Dunder Mifflin Paper Company.
It has an average vote of 8.575 on TMDB.
8. 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 8.245 on TMDB.
9. Dexter
Dexter Morgan, a blood spatter pattern analyst for the Miami Metro Police also leads a secret life as a serial killer, hunting down criminals who have slipped through the cracks of justice.
It has an average vote of 8.191 on TMDB.
10. 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.
11. NCIS
From murder and espionage to terrorism and stolen submarines, a team of special agents investigates any crime that has a shred of evidence connected to Navy and Marine Corps personnel, regardless of rank or position.
It has an average vote of 7.6 on TMDB.
12. The Newsroom
A behind-the-scenes look at the people who make a nightly cable-news program. Focusing on a network anchor, his new executive producer, the newsroom staff and their boss, the series tracks their quixotic mission to do the news well in the face of corporate and commercial obstacles-not to mention their own personal entanglements.
It has an average vote of 8.116 on TMDB.
13. Vikings
The adventures of Ragnar Lothbrok, the greatest hero of his age. The series tells the sagas of Ragnar's band of Viking brothers and his family, as he rises to become King of the Viking tribes. As well as being a fearless warrior, Ragnar embodies the Norse traditions of devotion to the gods. Legend has it that he was a direct descendant of Odin, the god of war and warriors.
It has an average vote of 8.094 on TMDB.
14. Under the Dome
A small town is suddenly and inexplicably sealed off from the rest of the world by an enormous transparent dome. While military forces, the government and the media positioned outside of this surrounding barrier attempt to break it down, a small group of people inside attempt to figure out what the dome is, where it came from, and when it will go away.
It has an average vote of 7.2 on TMDB.
15. Doctor Who
The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a living—more of a hobby actually, and the Doctor's very, very good at it.
It has an average vote of 7.5 on TMDB.
16. Wayward Pines
Imagine the perfect American town... beautiful homes, manicured lawns, children playing safely in the streets. Now imagine never being able to leave. You have no communication with the outside world. You think you're going insane. You must be in Wayward Pines.
It has an average vote of 6.826 on TMDB.
17. Love, Death & Robots
Terrifying creatures, wicked surprises and dark comedy converge in this NSFW anthology of animated stories presented by Tim Miller and David Fincher.
It has an average vote of 8.263 on TMDB.
18. Sleepy Hollow
Ichabod Crane is resurrected and pulled two and a half centuries through time to unravel a mystery that dates all the way back to the founding fathers.
It has an average vote of 7.4 on TMDB.
19. Timeless
A mysterious criminal steals a secret state-of-the-art time machine, intent on destroying America as we know it by changing the past. Our only hope is an unexpected team: a scientist, a soldier and a history professor, who must use the machine's prototype to travel back in time to critical events. While they must make every effort not to affect the past themselves, they must also stay one step ahead of this dangerous fugitive. But can this handpicked team uncover the mystery behind it all and end his destruction before it's too late?
It has an average vote of 7.2 on TMDB.
20. Narcos
A gritty chronicle of the war against Colombia's infamously violent and powerful drug cartels.
It has an average vote of 8 on TMDB.
21. Homeland
CIA officer Carrie Mathison is tops in her field despite being bipolar, which makes her volatile and unpredictable. With the help of her long-time mentor Saul Berenson, Carrie fearlessly risks everything, including her personal well-being and even sanity, at every turn.
It has an average vote of 7.5 on TMDB.