In no particular order this is a list of the best Tv shows of all time.

1. SUPERNATURAL

Two brothers follow in their father's footsteps as "hunters" fighting evil supernatural beings of many kinds including monsters, demons and gods that roam the earth.

2. SMALLVILLE

A young Clark Kent struggles to find his place in the world as he learns to harness his alien powers for good and deals with the typical troubles of teenage life in Smallville.

3. DEXTER

Dexter Morgan is a Forensics Expert, a loyal brother, boyfriend and friend. That's what he seems to be, but that's not what he really is. Dexter Morgan is a Serial Killer that hunts the bad.

4. VERONICA MARS

After her best friend is murdered and her father is removed as county sheriff, Veronica Mars dedicates her life to cracking the toughest mysteries in the affluent town of Neptune.

5. BEVERLY HILLS, 90210

Follows a group of friends living in Beverly Hills, California, from their school days and into adulthood.

6. GREY'S ANATOMY

A drama centered on the personal and professional lives of five surgical interns and their supervisors.

7. CRIMINAL MINDS

The cases of the FBI Behavioral Analysis Unit (BAU), an elite group of profilers who analyze the nation's most dangerous serial killers and individual heinous crimes in an effort to anticipate their next moves before they strike again.

8. PRETTY LITTLE LIARS

Four friends band together against an anonymous foe who threatens to reveal their darkest secrets while unraveling the mystery of the murder of their best friend.

9. BATES MOTEL

A contemporary prequel to Psycho, giving a portrayal of how Norman Bates' psyche unravels through his teenage years, and how deeply intricate his relationship with his mother, Norma, truly is.

10. TEEN WOLF

A somewhat awkward teen is attacked by a werewolf and inherits the curse himself, as well as the enemies that come with it.

11. GOSSIP GIRL

Privileged teens living on the Upper East Side of New York can hide no secret from the ruthless blogger who is always watching.

12.

Half-brothers Lucas and Nathan Scott trade between kinship and rivalry both on the basketball court and in the hearts of their friends in the small, but not so quiet town of Tree Hill, North Carolina.

13. HEARTLAND

A multi-generational saga set in Alberta, Canada and centered on a family getting through life together in both happy and trying times.

14. MERLIN

These are the brand new adventures of Merlin, the legendary sorcerer as a young man when he was just a servant to young prince Arthur on the royal court of Camelot who has soon become his best friend and turned Arthur into a great king and a legend.

15. DYNASTY

The trials and tribulations of two feuding families, the Carringtons and the Colbys, both oil rich families in Denver, Colorado.

16.THE OFFICE

A mockumentary on a group of typical office workers, where the workday consists of ego clashes, inappropriate behavior, and tedium. Based on the hit BBC series.

17. ARCHER

Covert black ops and espionage take a back seat to zany personalities and relationships between secret agents and drones.

18. FRASIER

Dr. Frasier Crane moves back to his hometown of Seattle where he lives with his father and works as a radio psychiatrist.

19. THE FLASH

After being struck by lightning, Barry Allen wakes up from his coma to discover he's been given the power of super speed, becoming the Flash, fighting crime in Central City.

20. MACGYVER

Young Angus "Mac" MacGyver creates a clandestine organization within the U.S. government, relying on his unconventional problem-solving skills to save lives.