This massively popular show aired from 1972-1983 and is part of a media franchise including books, a movie and plays. In the series, the staff of a US Army hospital uses humor to survive the horrors of the Korean War.

"Friends" is an iconic '90s show that aired from 1994-2004 on NBC. This show launched the careers of some of its stars, including Jennifer Aniston.

"I Love Lucy" aired from 1951-1957. Lucille Ball plays the wacky wife of Cuban bandleader Ricky Ricardo, played by Desi Arnaz, who gets into all sorts of misadventures in NYC.

This sitcom aired for over a decade, starting in 1962, and even had a spinoff TV show and film. It followed the lives of a hillbilly family who become millionaires after striking oil and move to Beverly Hills, where they wreak havoc.

This coming-of-age sitcom aired on ABC from 1993-2000. It follows Corey Matthews and his friends from junior high until their college years.

"The X-Files" was a Sci-fi phenomenon which ran from 1993-2002 on Fox. Vince Gilligan and Bryan Cranston, who would later go on to work on "Breaking Bad," met on this iconic show.

This dark comedy sitcom about a group of deeply dysfunctional friends aired for the first time in 2005. The group own and work in Paddy's Pub, an unpopular Philadelphia bar.

"The Twilight Zone" was created by Rod Serling, who wrote over half of its initial run of more than 150 episodes. This mixed genre anthology series that wasn't afraid of the dark, existential or strange ran from 1959-1964.

"Cheers" aired from 1982-1993 on NBC. There are 275 episodes of this show about the wacky characters who spend their time in a cozy Boston bar.

An NYC ad exec accidentally marries a powerful witch in this longrunning ABC sitcom. This show aired originally from 1964-1972.

This iconic show about nothing ran from 1989-1998 on NBC. Created and co-written by Larry David and Jerry Seinfeld, the show centers around the lives of four criminally careless wacky friends getting into absurd day-to-day situations in NYC.

Created by Matthew Weiner, this award-winning exquisitely crafted show aired on AMC from 2007-2015. It chronicles the struggles of Don Draper to balance his family responsibilities and life working in the high-pressure world of NYC advertising firms.

"Gilligan's Island" showed the misadventures of a group of kooky characters trying and failing to escape a deserted island. It initially aired from 1964-1967 on CBS.

This surreal crime drama aired from 1990-1991. It was created by David Lynch and Mark Frost.

This CBS sitcom about a family of friendly monsters ran from 1964-1966. In August 2017, it was announced that Seth Meyers is developing a modern-day reboot that will take place in Brooklyn.

This NBC sitcom in which Will Smith plays himself aired from 1990-1996. Its theme song is as well-remembered and loved as the show itself.

"The A-Team" was an action-adventure show that ran on NBC from 1983-1987. In it, a team of ex-special forces soldiers on the run from military police for a crime they didn't commit always manage to save the day.

The iconic "Happy Days" ran for a decade on ABC starting in 1974. Largely set in the 1950s, this famous show is where the loveable greaser Fonzie comes from.

This classic American sitcom initially aired from 1969-1974 on ABC. In this show, 2 people who already have 3 kids each marry to form one large wacky family.

This sitcom about a naive boy and his family aired from 1957-1963. An iconic show which defined its era, it aired originally on CBS.

This dark cop show ran on NBC from 1984-1990. It's largely remembered for its slick style and visuals.

"Charlie's Angels" aired on ABC from 1976-1981. This show popularized the term "jiggle TV," which described a show that featured gratuitously scantily clad women in improbable situations.

SNL has been airing since 1975. This Emmy Award-winning late night live sketch comedy show has featured talents like George Carlin, Tina Fey, Stephen Colbert, Eddie Murphy, Jim Belushi and Kristen Wiig.

"Full House" ran on ABC from 1987-1995. This is the show where Mary-Kate and Ashley Olsen got their start.

"Gunsmoke" aired for 20 seasons, from 1955 to 1975. This show about a marshal trying to stop lawlessness from swallowing Dodge City, Kansas is the second longest-running American TV show of all time.

This long-running sitcom narrated by Bob Saget aired from 2005-2014. In it, Ted tells his children the incredibly long-winded story of how he met their mother.

"Mork & Mindy" was a "Happy Days" spinoff about a bumbling alien trying his best to get a handle on earth culture. The sitcom ran from 1978-1982 and was an early role for Robin Williams, who played Mork the alien.

This mystery and suspense anthology series was produced and hosted by famed director Alfred Hitchcock. It ran from 1955-1965.

The Andy Griffith show was about a widower sheriff living in a small, almost crime-free South Carolina town. This show ran from 1960-1968.

"The Golden Girls" ran on NBC from 1985-1992. It follows the lives of four sassy older women who live together in Miami.

This workplace sitcom aired on CBS from 1970-1977. It starred Mary Tyler Moore as Mary Richards, a single 30-something working for the lowest-rated local TV station in Minneapolis.

"All in the Family" aired on CBS from 1971-1979. This is the show that brought the world the hilariously ignorant Archie Bunker and his long-suffering wife, Edith.

This sitcom aired on NBC from 1986-1990. In it, a wiseguy alien crashlands in a suburban family's home and they take him in.

This award-winning cop drama focused on the staff of an unnamed inner city police precinct. It was a primetime show on NBC from 1981-1987.

Despite only originally running on ABC from 1966-1968, "Batman" starring Adam West as the caped crusader has left its mark on American culture. In this classic campy superhero show, Batman and Robin teamed up against a host of kooky villains.