Since the 1950s, American television has had no shortage of fantasy shows, with the genre evolving from simple, easy-on-the-eyes sitcoms and quirky anthologies into massive universes with complex storytelling. Over the years, some of these shows have left a deeper mark on the audience and changed the very direction of the genre.
Since the ’90s, fantasy TV has received a huge upgrade in narrative style and tone, shifting toward modern, relatable settings mixed with the supernatural and teen-oriented narratives. Later on, we got massive, multi-generational franchises that revitalized familiar tropes with modern-day themes, paving the way for the present landscape of fantasy television. The impact of these shows is undeniable, going beyond the screen and into our daily lives. With that in mind, here’s our ranked selection of the most influential fantasy shows of all time.
8
‘True Blood’ (2008–2014)
Created and produced by Alan Ball and based on Charlaine Harris’ novel series, The Southern Vampire Mysteries, True Blood is set in a universe where the invention of a synthetic blood product has allowed vampires to “come out of the coffin” and live among humans. Set in the fictional town of Bon Temps, Louisiana, the story centers on Sookie Stackhouse, a telepathic waitress who falls in love with a 174-year-old vampire named Bill Compton, which turns her world upside down. Anna Paquin, Stephen Moyer, Carrie Preston, Sam Trammell, and Alexander Skarsgård play the main characters.
Among all the vampire-themed shows of its time, True Blood stands out as a masterpiece with its adult-driven themes. Exploring the struggles of vampires for equal rights and acceptance within human society, the show’s themes serve as a direct metaphor for real-world issues like civil rights, sexuality, and the treatment of marginalized communities. Witty, bizarre, and often sensual, True Blood smartly blends mystery, comedy, fantasy, and Southern Gothic romance into a decadent, blood-soaked story that left a distinct mark on fantasy television.
7
‘The Vampire Diaries’ (2009–2017)
A series adaptation of L.J. Smith’s novels developed by Kevin Williamson and Julie Plec, The Vampire Diaries revolves around Elena Gilbert, an orphaned teenager who falls in love with a 162-year-old vampire named Stefan Salvatore. Their relationship becomes increasingly complicated after Stefan’s mysterious brother, Damon, returns to town alongside Elena’s doppelgänger, Katherine Pierce. Nina Dobrev, Paul Wesley, and Ian Somerhalder play the lead trio, with Kat Graham, Candice King, and Zach Roerig as other main characters.
The CW’s biggest debut in its day, The Vampire Diaries redefined and cemented the network’s identity at the peak of its broadcast era and became an early trailblazer of social media fandom culture. Though not an instant hit, The Vampire Diaries grew in popularity over the later seasons, eventually becoming an essential vampire show that defined the 2010s. It reshaped the supernatural teen drama genre and triggered the massive rise of vampire-themed shows across streaming and television at the time.
6
‘Adventure Time’ (2010–2018)
A multi-award-winning animated fantasy series created by Pendleton Ward, based on his viral hit 2007 short film of the same name, Adventure Time follows the story of a young boy named Finn and his best friend and adoptive brother, a dog named Jake, in a post-apocalyptic land. Twelve-year-old Finn battles evils in the land of Ooo and roams around with his shapeshifting, magical dog, interacting with eccentric and fantastical characters like Princess Bubblegum, Ice King, Marceline the Vampire Queen, and a video game console named BMO. Jeremy Shada, John DiMaggio, Hynden Walch, Tom Kenny, Olivia Olson, and Niki Yang voice the key characters.
During its run, Adventure Time was a huge hit for Cartoon Network, winning eight Emmys, a Peabody, and three Annie Awards. The animated series was incredibly popular for its unique style, which blends silly comedy and whimsical fantasy with deep, mature storytelling and a rich post-apocalyptic world. Adventure Time has since redefined modern animated fantasy with its originality and worldbuilding, and by evolving alongside its audience to become a true generational masterpiece.
5
‘Charmed’ (1998–2006)
The first primetime series to feature a coven of witches, Charmed was created by Constance M. Burge and centers on sisters Prue, Piper, and Phoebe (and later Paige), all of whom are gifted with magical powers to protect good from evil. The series chronicles their challenges and achievements as they harness their special abilities while maintaining a normal urban life in ’90s San Francisco, navigating romance, friendships, and regular life. The iconic sisters are played by Shannen Doherty, Holly Marie Combs, Alyssa Milano, and Rose McGowan.
During its run, Charmed was the longest-running hour-long series with an all-female lead cast, and the network’s second-longest drama show. The fantasy drama was not only immensely popular at the time — it became a pop culture icon. With its themes of adult sisterhood and female empowerment, and the uniquely refreshing depiction of witchcraft, Charmed redefined supernatural fantasy TV and left a lasting impact on the genre that still reflects in modern shows.
4
‘Castlevania’ (2017–2021)
Created and written by Warren Ellis, Castlevania is an action-horror fantasy adult animated series adapted from the Japanese video game series of the same name. The Netflix original follows Trevor Belmont, the last surviving soul of his disgraced clan, who, along with Alucard and Sypha Belnades, sets out to defend the nation of Wallachia from Vlad Dracula and his legion of vampires. Richard Armitage, James Callis, Alejandra Reynoso, Graham McTavish, Emily Swallow, and Theo James voice the main characters.
One of the first major adult-animated shows on Netflix, Castlevania was an instant hit when it premiered, carving a new path for Western animation with its unique visual style and character designs. Featuring rich animation inspired by anime aesthetics and the original game’s art, Castlevania ranks among the finest video game adaptations on screen. The series has been noted for heavily influencing the rise of serious, narrative-driven adult animation and expanding Netflix’s animation profile, paving the way for similar high-concept shows like Arcane and Blue Eye Samurai.
3
‘Supernatural’ (2005–2020)
The longest-running live-action fantasy series in American television history, Supernatural is a thrilling dark fantasy show created by Eric Kripke that follows brothers Sam and Dean Winchester, who travel across the United States hunting supernatural creatures. In the later story arcs, they also fight angels, demons, and other cosmic threats, and attempt to save the world from multiple apocalypses. Jensen Ackles and Jared Padalecki star as the Winchester brothers, with Misha Collins, Mark A. Sheppard, Mark Pellegrino, and more as other main characters.
Supernatural is a fun, exciting, and surprisingly soulful fantasy show that explores Judeo-Christian lore, found family, brotherhood, and nostalgic Americana, ranking among the best American fantasy series of all time. Its enduring legacy lies in its deeper themes, the epic evolution of its scale, and the unique meta-narrative, which completely changed how fantasy shows interact with their audience. A show that ran through every decade of this century, Supernatural and its cast have since transformed into massive pop-culture phenomena, amassing a loyal global fandom and spawning several would-be successors.
2
‘Buffy the Vampire Slayer’ (1997–2003)
A TV and pop culture landmark of the ’90s and 2000s, Buffy the Vampire Slayer centers on the titular teenage protagonist, played by Sarah Michelle Gellar in a performance that thrust her into global stardom. The supernatural horror drama follows Buffy, the latest successor in a long lineage of vampire slayers, as she balances modern teenage life and high school drama with fighting evil forces and dealing with dangerous prophecies. Other popular characters from the show are played by Nicholas Brendon, Alyson Hannigan, Charisma Carpenter, Anthony Stewart Head, and Michelle Trachtenberg.
Buffy the Vampire Slayer is an essential Y2K show that defined fantasy television of the era with its perfect balance of late-’90s grunge and early-2000s futurism. The series was an instant critical and cultural success that revisited everyday teenage angst through powerful fantasy horror metaphors. The show established a blueprint for the tone and style of teen fantasies, particularly supernatural horror, shaping pop culture, TV tropes, and the aesthetic of the turn of the millennium.
1
‘Game of Thrones’ (2011–2019)
David Benioff and D. B. Weiss’s fantasy drama adaptation of George R.R. Martin’s novel series, A Song of Ice and Fire, Game of Thrones ushered in a new dimension to fantasy television. The multi-generational saga explores complex politics, shaky morality, and ruthless pursuits of power between the Seven Kingdoms of Westeros, all vying for the Iron Throne, while the rise of a mysterious supernatural force just outside their borders threatens to end all life. The show features a massive international cast, with Peter Dinklage, Kit Harington, Emilia Clarke, Lena Headey, Sophie Turner, and Nikolaj Coster-Waldau starring in notable roles.
With its epic scale, grand visuals, and out-of-this-world character designs and stories, Game of Thrones wasn’t just popular — it became a cornerstone of international pop culture of the 2010s. Noted for its darker narrative and expansive world-building that became a television universe of its own, the eight-season series redefined how people looked at fantasy shows. With record-breaking success and phenomenal production, Game of Thrones is an HBO landmark that ranks high among the most groundbreaking fantasy shows of all time.
