The Most Influential Network TV Sitcom Of Every Decade Since The 1940s

Network TV sitcoms have a long and rich history, as their influence has spanned decades and continues to have a huge impact on Hollywood today. Of course, sitcoms started well before TV became an established entity in the world of entertainment. They first materialized on the radio in the 1920s, and later made their way over to TV in the 1940s.

The word sitcom stems from “situational comedy” and encompasses any TV series with an ensemble cast that takes place in any situation in which humor can be extracted. For example, workplaces and home environments are among the most common settings in these types of shows. As such, Hollywood has produced hundreds of sitcoms over the decades, but some are more influential than others.

1940s: Mary Kay And Johnny

1947-1950

Mary Kay and Johnny (1947)

Mary Kay and Johnny premiered in 1947 and served as America’s first sitcom broadcast on network TV. While it only ran for a little over two years, it set the tone for what was to become one of the entertainment world’s leading comedy genres. Mary Kay and Johnny was also the first show to feature a couple sharing a bed and a pregnant woman.

The innovative sitcom, which produced about 300 episodes, first aired on the Dumont Television Network before moving to CBS for half a year and then to NBC for the rest of its run. Real-life couple Mary Kay and Johnny Stearns created and starred in Mary Kay and Johnny. The series followed their characters’ lives in Greenwich Village in New York City.

Perhaps Mary Kay and Johnny wasn’t a perfect sitcom. However, it was still a leading force in the genre. If it weren’t for Mary Kay and Johnny, network TV sitcoms would look very different today.

1950s: I Love Lucy

1951-1957

Vivian Vance as Ethel and Lucille Ball as Lucy in I Love LucyCBS via MovieStillsDB

Some might not know Mary Kay and Johnny, but most will recognize I Love LucyLucille Ball’s CBS comedy is arguably the most influential sitcom in network TV history, and for good reason. It was the first show to feature an ensemble cast and has received many honors over the years, with some calling it the best TV show of all time.

I Love Lucy, which ran for six seasons and 180 episodes, followed Ball’s character, Lucy, a housewife living in New York City. Her husband, Ricky (played by Desi Arnaz, Ball’s real-life husband and executive producer), was the straight man to Lucy’s outlandish and comedic oddball character. A woman taking on this kind of role was unheard of in the 1950s.

Ball paved the way for the success of female comedians. As a result, she is undoubtedly one of the most influential TV actresses of all time and is why I Love Lucy is regarded so highly as it is. Who knows where network TV sitcoms would be if it weren’t for I Love Lucy?

1960s: The Dick Van Dyke Show

1961-1966

Rob and Laura Petrie in The Dick Van Dyke Show

Moving on to the 1960s, The Dick Van Dyke Show is, like I Love Lucy, considered not only one of the best sitcoms ever, but also one of the best shows in TV history. The CBS series, created by Carl Reiner, ran for five seasons and almost 160 episodes. As its title implies, it starred Dick Van Dyke as Rob, a TV writer.

The Dyke Van Dyke Show revolved around Rob’s work and home life, which included his wife, Laura, played by Mary Tyler Moore. So, in many ways, its format replicated the sitcoms that came before it. Still, The Dick Van Dyke Show set itself apart from the crowd and went on to influence the comedy genre more so than any other 1960s series.

Over the course of its run, The Dick Van Dyke Show earned 15 Emmy Awards. Meanwhile, its episode, “It May Look Like a Walnut,” is considered one of the greatest sitcom episodes of all time (it was even referenced in WandaVision‘s penultimate hour). The Dick Van Dyke Show is simply an iconic American sitcom that remains relevant to this day.

1970s: All In The Family

1971-1979

Edith and Archie Bunker from All in the Family

Network TV sitcoms started to pick up in the 1970s. As such, the decade’s most influential is a source of debate, but All in the Family ultimately comes out on top. Some might argue that The Mary Tyler Moore Show or M*A*S*H takes that spot. However, All in the Family is still the 1970s sitcom with the most influence.

This might sound repetitive, but All in the Family (which was developed by sitcom legend Norman Lear) is another sitcom that many regard as one of the best TV shows ever made. It contained nine seasons and 205 episodes and centered around the Bunkers, a white working-class family living in Queens, New York.

All in the Family was a pioneer in its field as it addressed controversial and complex issues such as racism, homosexuality, religion, feminism, etc. Consequently, the show was among the first sitcoms to incorporate more dramatic moments and scenes into its story. Plus, All in the Family‘s spinoff, The Jeffersons, was also groundbreaking with its portrayal of an affluent Black family.

1980s: Cheers

1982-1993

Sam, Diane, and Coach behind the bar in the Cheers pilot

All of the above primarily followed families, whereas Cheers was one of network TV’s first successful workplace sitcoms, aside from The Mary Tyler Moore Show. It took place in a bar named Cheers, owned by Ted Danson’s Sam Malone, and featured an ensemble cast of characters. From Shelley Long’s Diane to George Wendt’s Norm, the Cheers cast is one of TV’s most iconic.

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Cheers lasted 11 seasons and 275 episodes, making it one of the most successful shows of the 1980s. It all started in its pilot, which was about as perfect as any series premiere could be. The episode immediately drew viewers in and kept their attention for more than a decade.

Many of Cheers‘ elements went on to influence several network TV sitcoms. For example, it has one of the best TV theme songs ever, and its will-they/won’t-they romance between Sam and Diane paved the way for other iconic sitcom couples such as Ross and Rachel in Friends, Jim and Pam in The Office, etc.

1990s: Seinfeld

1989-1998

The Seinfeld cast in a promotional image for season 1

The 1990s were another decade rich with iconic sitcoms. However, none of them was more influential than Seinfeld. A few came close, like FriendsFrasierThe Fresh Prince of Bel-Air, or The Simpsons (when counting animated sitcoms). One could argue that Seinfeld even influenced some of those, though, especially when talking about Friends.

Seinfeld was known as “the show about nothing.” It focused on a friend group made up of unlikable, yet intriguing characters living in New York, and its simple premise paved the way for sitcoms that came after it. Despite its plain plot, Seinfeld (which ran for nine seasons) worked because of its remarkable humor. It solely relied on its comedy.

Seinfeld‘s humor also pushed the limit when it came to how far a show’s comedy could go. And since it was so successful, the NBC sitcom and its jokes had a significant impact on the world of comedy network TV series. However, we don’t talk about the disastrous Seinfeld series finale.

2000s: The Office

2005-2013

Dwight and Michael in The Office

The 2000s popularized a subgenre of sitcoms, and its triumph is all thanks to The Office. The NBC comedy was a mockumentary, meaning that it was filmed like a documentary, but its story was fictional. In other words, a mockumentary is a show within a show. Today, this subgenre is all the rage, and the credit for its success goes to The Office.

The Office was an adaptation of the British series of the same name, which wasn’t nearly as successful. It starred Steve Carell as Michael Scott (one of the most iconic TV characters of all time), the regional manager at the fictitious Dunder Mifflin Paper Company in Scranton, Pennsylvania. Although its first season wasn’t anything special, what followed would forever change network TV.

The Office‘s unique, blunt humor separated it from the crowd, as did its mockumentary filming style and boring setting. There was nothing like it on TV, and many shows replicated its style. Now, we have other iconic network TV sitcoms such as Parks and RecModern Family, etc., and if it weren’t for The Office, these series might not have been created.

2010s: Schitt’s Creek

2015-2020

The Rose family at the motel in Schitt's Creek

Like many of the decades that came before it, the 2010s produced several memorable sitcoms. However, Schitt’s Creek was, without a doubt, the best and most impactful. Created by Dan and Eugene Levy, the Canadian comedy show rose to prominence during its third season, after its addition to Netflix’s library.

Thankfully, Netflix became Schitt’s Creek‘s streaming home because if it hadn’t, not as many people would have recognized the fantastic sitcom that it was. Schitt’s Creek wasn’t your typical familial sitcom. Instead of featuring a tight-knit, wholesome family, the cast of Schitt’s Creek contained a spoiled, ignorant family who experienced the rags-to-riches storyline in reverse.

The TV series followed the Roses, a family who lost their fortune and were forced to move to Schitt’s Creek, a small town they bought as a joke. Throughout the sitcom, the Roses experience radical character growth, all while getting themselves into a countless number of ridiculous situations.

Schitt’s Creek blazed a trail for a new kind of sitcom. Its wholesome nature, LGBTQ+ representation, and positivity were exactly what people needed at the time (and it’s still a source of comfort today). Schitt’s Creek produced iconic characters, unforgettable lines (“Ew, David!”), and hilarious moments, all of which cement it as the 2010s’ most influential sitcom.

2020s: Abbott Elementary

2021-Present

Barbara Howard (Sheryl Lee Ralph), Gregory Eddie (Tyler James Williams), Ava Coleman (Janelle James), Melissa Schemmenti (Lisa Ann Walter), Janine Teagues (Quinta Brunson), and Jacob Hill (Chris Perfetti) standing in a line in Abbott Elementary season 4, episode 18.

Since we are in the middle of the 2020s, it’s difficult to definitively decide which sitcom is the decade’s most influential. However, if we were to pick which one is the most remarkable so far, the answer is obviously Abbott Elementary. The ABC series brought the mockumentary style back into the mainstream and is still an outstanding success heading into its fifth season.

Abbott Elementary premiered in 2021 and quickly became one of the most popular shows on TV, despite its debut coming in a time of uncertainty (due to the COVID-19 pandemic). Its success was and still is impressive. Quinta Brunson created a sitcom that will undoubtedly be remembered for years to come and is already legendary.

Every Abbott Elementary character is iconic in their own way. Meanwhile, the TV series’s setting is unique, relatable, and realistic. Its writing is simply incredible, and the show’s quality has remarkably only gotten better with age. Ultimately, Abbott Elementary will likely still be the answer as to which 2020s network TV sitcom is the most influential when the decade comes to an end.

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