Collider highlights the top ten fantasy series of the 21st century, showcasing genre-defining milestones.

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In simple terms, Collider has published a definitive ranking of the best fantasy shows released in the 21st century, highlighting influential series that have shaped the genre. The list, put together by author Dawson Nyffenegger, details a mix of longstanding hits and recent phenomena, providing a rich perspective on how fantasy storytelling has evolved over the years.
What is confirmed is that the ranking includes iconic shows such as Game of Thrones, Supernatural, and Avatar: The Last Airbender, all of which have left an indelible mark on pop culture. This announcement was published on July 30, 2026, and serves as a robust guide for fans looking to explore or revisit these genre-defining series.
Game of Thrones continues to dominate discussions around fantasy television. Its sprawling narrative and complex characters inspired a global fanbase, despite mixed reactions to its conclusion. Collider acknowledges the show's cultural impact, describing it as a cornerstone in modern fantasy storytelling. With legendary battles and deep political intrigue, it's hard to overlook its prominence in the fantasy genre.
Following closely is Supernatural, which ran impressively for 15 years, garnering a loyal fanbase that resonated with its mix of humor and heartfelt drama. The series follows two brothers on harrowing adventures, blending elements of horror with absurd comedy that still influences fandom culture today.
Another notable mention is Avatar: The Last Airbender, a series that introduced Western audiences to an anime-inspired storytelling style. It captivated viewers, adults and children alike, with its rich narratives focused on friendship and moral dilemmas, proving that animated series can carry profound thematic weight.
Newer series like The Witcher, based on the works of Andrzej Sapkowski, have also made significant impacts post-Game of Thrones. It quickly filled the void for fans seeking intricate worldbuilding and riveting monster-hunting adventures, even sparking debate over its quality in later seasons. Nevertheless, fans widely consider it one of the standout shows of the past five years, landing it a prominent role in this ranking.
Meanwhile, House of the Dragon rejuvenated interest in the Game of Thrones universe with its focus on the Targaryen family. This prequel series demonstrates how richly layered narratives continue to resonate with audiences, keeping the magic of Westeros alive.
Additionally, Kingdom and The Dragon Prince are recognized for their unique storytelling approaches, each carving a niche in the fantasy landscape. Kingdom offers a chilling blend of historical drama and horror, while The Dragon Prince thrives on imaginative lore and stunning visuals, proving that innovative narratives continue to thrive without the need for established source material.
Both shows, while notably different from mainstream entries, showcase the broadening spectrum of fantasy that appeals to a diverse audience.
By recognizing these various series, Collider crafts a narrative around how storytelling in fantasy has matured over time. Shows that have faced challenges, such as The Dark Crystal: Age of Resistance, are celebrated for their artistic merit, despite abbreviated runs. The cancellation of such a visually stunning series serves as a stark reminder of the volatile nature of TV production, yet its inclusion on the list reinforces its significance.
This ranking provides both long-time fantasy fans and newcomers with insights into essential series that have shaped the genre in the 21st century. As audiences seek out quality content to engage with, these highlighted shows reflect a mix of nostalgia and modern storytelling that speaks to a broad range of viewers.
For additional insights into what to binge-watch and media trends, check out our pieces on Must-Watch Shows to Binge-Watch This August and the ongoing changes in the industry like Disney's major deals affecting franchises.
Fantasy remains a vital part of our storytelling landscape, encouraging viewers to escape mundane realities into worlds of imagination. The ranking stands as a testament to the genre's enduring appeal and the evolving nature of whatcomprises quality fantasy television today.
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