Rotten Tomatoes' Best TV Shows of the Past 20 Years

Nine noble families fight for control over the lands of Westeros, while an ancient enemy returns after being dormant for millennia.

A chemistry teacher diagnosed with inoperable lung cancer turns to manufacturing and selling methamphetamine with a former student to secure his family's future.

Aspiring film actress Penny moves into a Pasadena apartment across the hall from brilliant, but socially awkward, physicists Sheldon Cooper and Leonard Hofstadter and shows them how little they know about life outside of the lab.

Follows the personal and professional lives of six twenty to thirty year-old friends living in the Manhattan borough of New York City.

The continuing misadventures of neurotic New York City stand-up comedian Jerry Seinfeld and his equally neurotic New York City friends.

Two Part drama which focuses on the New York criminal Justice System by showing a violent crime investigated by police detectives in the first half and then the trial of the accused in court by the prosecutors in the second half.

A chronicle of the lives of the British aristocratic Crawley family and their servants in the early twentieth century.

Inside the lives of staffers in the West Wing of the White House.

The further adventures in time and space of the alien adventurer known as the Doctor and his companions from planet Earth.

A young woman, destined to slay vampires, demons and other infernal creatures, deals with her life fighting evil, with the help of her friends.

Two F.B.I. Agents, Fox Mulder the believer and Dana Scully the skeptic, investigate the strange and unexplained, while hidden forces work to impede their efforts.

The quirky spin on Conan Doyle's iconic sleuth pitches him as a "high-functioning sociopath" in modern-day London. Assisting him in his investigations: Afghanistan War vet John Watson, who's introduced to Holmes by a mutual acquaintance.

New Jersey mob boss Tony Soprano deals with personal and professional issues in his home and business life that affect his mental state, leading him to seek professional psychiatric counseling.

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

The Baltimore drug scene, as seen through the eyes of drug dealers and law enforcement.

Counter Terrorism Agent Jack Bauer races against the clock to subvert terrorist plots and save his nation from ultimate disaster.

The satiric half-hour adventures of a working-class family in the misfit city of Springfield.

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

The doctors who work in the ER at the County General Hospital in Chicago grapple with ups and downs in their personal and professional lives while trying to give apt medical care to their patients.

The survivors of a plane crash are forced to work together in order to survive on a seemingly deserted tropical island.

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.

In 1980s Indiana, a group of young friends witness supernatural forces and secret government exploits. As they search for answers, the children unravel a series of extraordinary mysteries.

Follows the Major Case Response Team (MCRT) from the Naval Criminal Investigative Service (NCIS), as they get to the bottom of criminal cases connected to Navy and Marine Corps personnel.

Sheriff Deputy Rick Grimes wakes up from a coma to learn the world is in ruins and must lead a group of survivors to stay alive.

Four female New Yorkers gossip about their sex lives (or lack thereof) and find new ways to deal with being a woman in the late 1990s.