Some TV shows grab your attention from the very first episode and never let go. The best ones keep fans coming back season after season, year after year, thanks to unforgettable characters, gripping storylines, and moments you just can’t stop talking about.
Whether it’s a mystery, a comedy, or a drama, these shows proved that great television truly stands the test of time. Here are 20 TV shows with six or more seasons that kept audiences hooked for the long haul.
1. Supernatural

Few shows have pulled off 15 seasons like Supernatural did. Brothers Sam and Dean Winchester spent over a decade hunting demons, ghosts, and everything in between.
The show mixed horror with humor and genuine heart, making it hard to walk away from.
Fans grew up alongside these characters, which made every goodbye feel personal. With a devoted fanbase known as the “SPN Family,” this show became a cultural phenomenon that went far beyond typical genre television.
2. Modern Family

Modern Family redefined what a sitcom could look like. For 11 seasons, three interconnected families made audiences laugh, cry, and feel genuinely seen.
The mockumentary format felt fresh and real in a way that traditional sitcoms rarely achieved.
Characters like Phil Dunphy became iconic for their lovable awkwardness. The show tackled family dynamics, identity, and growing up with warmth and wit.
It swept the Emmy Awards multiple times and earned its place in TV history.
3. Criminal Minds

Criminal Minds turned criminal psychology into must-watch television. Running for 16 seasons, the show followed the FBI’s Behavioral Analysis Unit as they tracked down serial killers using profiling techniques.
Each episode was a psychological puzzle that kept viewers on edge.
What set it apart was the team’s chemistry and the emotional weight of every case. It wasn’t just about catching criminals; it was about understanding the darkest corners of the human mind in a compelling, unforgettable way.
4. Dallas

Before reality TV took over, Dallas showed the world that prime-time soap operas could be pure gold. The original series ran for 14 seasons and centered on the powerful, scheming Ewing family and their Texas oil empire.
J.R. Ewing became one of TV’s greatest villains.
The show’s cliffhangers were legendary. “Who shot J.R.?” became one of the most talked-about television moments in history. Dallas set the blueprint for every dramatic, glamorous, and addictive long-running drama that followed.
5. Bob’s Burgers

Bob’s Burgers sneaked up on audiences and never left. Now in its 14th season, this animated comedy about the Belcher family running a small burger joint has built one of the most loyal fanbases in television.
The humor is weird, warm, and wonderfully unique.
Unlike many animated shows, Bob’s Burgers keeps its family genuinely supportive of each other, which feels refreshing. Tina Belcher alone has become a pop culture icon.
The show proves that heart and humor are a winning combo every single time.
6. The Big Bang Theory

Sheldon Cooper’s “Bazinga!” became one of the most quoted TV catchphrases of a generation. The Big Bang Theory ran for 12 seasons and turned a group of socially awkward physicists into some of television’s most beloved characters.
Geek culture had finally found its mainstream home.
The show balanced science references with everyday relationship humor, making it accessible to nearly everyone. Its massive ratings consistently made it one of the top-watched shows on American television throughout most of its run.
7. Law & Order

That iconic “dun dun” sound is instantly recognizable to millions of viewers worldwide. Law & Order has completed 22 seasons and continues to air, making it one of the longest-running crime dramas in television history.
The format is brilliantly simple: half police investigation, half courtroom drama.
What keeps audiences returning is the show’s ability to rip stories straight from real headlines. New casts have refreshed the formula without losing its soul.
Law & Order practically invented the modern procedural drama genre as we know it today.
8. The Walking Dead

Zombies were everywhere in pop culture, but The Walking Dead took the genre to emotional depths no one expected. Over 11 seasons, the show explored what humanity looks like when civilization completely collapses.
It was brutal, beautiful, and utterly addictive.
Characters like Rick Grimes and Daryl Dixon became household names. The show constantly surprised fans by making bold storytelling choices, including killing off major characters without warning.
That unpredictability kept millions glued to their screens season after gripping season.
9. Gossip Girl

Spotted: a TV show that made Upper East Side drama completely irresistible. Gossip Girl ran for 6 seasons and followed the scandalous lives of Manhattan’s elite high school crowd.
Fashion, betrayal, romance, and identity were all tangled together in the most delicious ways.
The mystery of Gossip Girl’s true identity kept fans theorizing for years. Beyond the glam, the show actually explored themes of privilege, loyalty, and self-discovery.
It launched the careers of Blake Lively and Leighton Meester and defined a generation’s style obsession.
10. Brooklyn Nine-Nine

Brooklyn Nine-Nine proved that a workplace comedy set in a police precinct could be both hilarious and surprisingly thoughtful. Over 8 seasons, the show tackled serious topics like racial profiling and LGBTQ+ identity while keeping the laughs coming nonstop.
Jake Peralta’s childlike enthusiasm never got old.
When Fox cancelled it after five seasons, fan outrage was so intense that NBC picked it up immediately. That kind of passionate rescue says everything about the bond this show built with its audience.
Nine-nine!
11. Scandal

Olivia Pope made wearing a white hat look like the most powerful fashion statement in Washington. Scandal ran for 7 seasons and kept viewers absolutely breathless with its rapid-fire plot twists and political intrigue.
Shonda Rhimes created a show that was impossible to watch slowly.
The term “Gladiators” became a badge of honor for devoted fans. Scandal also made history as one of the first network dramas in decades led by a Black woman.
Kerry Washington’s performance was magnetic, commanding, and completely unforgettable every single week.
12. Downton Abbey

Downton Abbey made British period drama feel like essential weekend viewing for millions around the world. Across 6 seasons, the show traced the Crawley family and their servants through sweeping historical events from World War I to the changing social landscape of the 1920s.
The upstairs-downstairs dynamic created fascinating tension between characters from completely different worlds. Every season brought heartbreak, romance, and jaw-dropping moments.
It won a record-breaking number of Emmy Awards and proved that prestige television doesn’t need explosions to keep audiences completely captivated.
13. The Good Wife

Alicia Florrick was one of TV’s most complex heroines, and The Good Wife gave her 7 seasons to prove it. After her politician husband’s public scandal, she returned to law and rebuilt her life with fierce intelligence and quiet determination.
The show made legal drama feel genuinely sophisticated.
Every season introduced new moral dilemmas that kept the writing sharp and the characters evolving. Critics consistently praised it as one of the smartest dramas on network television.
It earned devoted fans who appreciated storytelling that respected their intelligence completely.
14. Game of Thrones

No show in recent memory changed the television landscape quite like Game of Thrones. Over 8 seasons, HBO’s fantasy epic delivered battles, betrayals, dragons, and political scheming on a cinematic scale that left audiences stunned week after week.
Watching it felt like a global event.
The show’s willingness to kill beloved characters made every episode feel genuinely dangerous. “The Red Wedding” remains one of the most shocking moments in TV history. Even with its divisive finale, Game of Thrones redefined what audiences expected from long-form dramatic storytelling.
15. Justified

Raylan Givens was the kind of lawman you rooted for even when you probably shouldn’t. Justified ran for 6 seasons and delivered some of the sharpest dialogue in TV crime drama history.
Set in rural Kentucky, it blended Southern gothic atmosphere with modern Western swagger beautifully.
The show’s villains were almost as compelling as its hero, especially Boyd Crowder. Their complicated dynamic drove the entire series forward.
Based on an Elmore Leonard story, Justified had literary bones and the confidence to let great writing do all the heavy lifting.
16. Parks and Recreation

Leslie Knope’s love for waffles, binders, and the town of Pawnee became something genuinely inspiring. Parks and Recreation ran for 7 seasons and transformed from a shaky start into one of the most beloved comedies in television history.
It took a full season to find its voice, but then it soared.
The show’s optimistic tone felt revolutionary in a TV landscape full of cynicism. Every character grew in meaningful ways.
Fans still quote it constantly because it reminded everyone that caring deeply about something, no matter how small, is always worth it.
17. The Office (US)

“That’s what she said” entered the cultural vocabulary permanently because of this show. The US version of The Office ran for 9 seasons and turned the mundane world of a paper company into comedic gold.
Michael Scott’s desperate need for approval somehow made him endearing despite everything.
The mockumentary style gave every awkward moment an extra layer of cringe and comedy. Jim and Pam’s slow-burn romance kept viewers emotionally invested across years.
Even after Steve Carell left, the show found ways to keep its loyal audience laughing and caring deeply.
18. Friends

Could this show BE any more iconic? Friends ran for 10 seasons and followed six friends navigating love, careers, and adulthood in New York City.
It aired from 1994 to 2004 and remains one of the most-watched sitcoms in streaming history decades later.
The chemistry between the cast was lightning in a bottle. Phrases like “We were on a break!” still spark debates at dinner tables.
Friends shaped a generation’s idea of friendship, humor, and what it means to build a chosen family in a big, overwhelming city.
19. The X-Files

“The truth is out there” became a mantra for an entire generation of conspiracy-obsessed fans. The X-Files aired for 11 seasons and followed FBI agents Mulder and Scully as they investigated paranormal cases the government desperately wanted buried.
It made paranoia feel thrilling and intellectually satisfying.
The chemistry between David Duchovny and Gillian Anderson was magnetic and slow-burning in the best possible way. The show influenced countless sci-fi dramas that came after it.
Returning for revival seasons years later proved just how deeply this show had embedded itself in pop culture.
20. Seinfeld

A show about nothing somehow became one of the greatest shows about everything. Seinfeld ran for 9 seasons and turned everyday social observations into comedy that felt almost philosophical.
Jerry, George, Elaine, and Kramer were deeply flawed people, and that’s precisely why audiences loved them so much.
The show introduced concepts like “no hugging, no learning” that went against every sitcom rule at the time. Its influence on modern comedy is immeasurable.
Decades after its 1998 finale, Seinfeld still streams millions of views monthly, proving timeless comedy truly never goes out of style.