Abheet Gupta 
The Game of Thrones or A Song of Ice and Fire universe continues to expand, with multiple spin-offs in various stages of development at HBO. Ever since the main series concluded in 2019, the network has been eager to capitalize on the franchise’s massive success. House of the Dragon became the first official spin-off, proving there was still a strong appetite for A Song of Ice and Fire-related content. As of 2025, ten different projects have been in development, some moving forward while others have been shelved or outright canceled. Here’s a detailed look at every Game of Thrones spin-off and where they currently stand.
1. A Knight of the Seven Kingdoms – Post-Production (Late 2025)
One of the most exciting upcoming spin-offs, A Knight of the Seven Kingdoms: The Hedge Knight is set to premiere in late 2025. Based on George R.R. Martin’s Tales of Dunk and Egg novellas (review here), this series follows the adventures of Ser Duncan the Tall and his young squire, Egg—who would later become King Aegon V Targaryen. The show wrapped filming recently and is currently in post-production. While HBO has yet to release a full trailer, a seven-second teaser has been revealed, offering a brief glimpse into this new chapter of Westeros. Fans are eagerly awaiting more updates as the release date approaches.
2. House of the Dragon Season 3 – Filming Begins Soon (Potentially 2026)
The most successful spin-off so far, House of the Dragon is preparing for its highly anticipated third season. While Season 2 is set to air in mid-2024, work on the next installment is already underway. Showrunner Ryan Condal recently revealed that the writing process is nearing completion, and the team is gearing up to begin filming soon. Although an official release window hasn’t been confirmed, industry insiders expect Season 3 to premiere sometime in 2026. With House of the Dragon proving to be a major hit, HBO seems committed to keeping this series running for multiple seasons.
3. Sea Snake – In Development (Animated Series)
Originally titled Nine Voyages, Sea Snake has undergone significant changes in its development process. This series will explore the legendary voyages of Lord Corlys Velaryon, one of the greatest explorers in Westerosi history. Initially planned as a live-action series, HBO later shifted Sea Snake to an animated format. Actor Steve Toussaint, who plays Corlys in House of the Dragon, expressed his enthusiasm for the project, stating that he hopes to lend his voice to the character. While the show is still in early development, its shift to animation suggests HBO is experimenting with different storytelling formats for the Game of Thrones universe.
4. 10,000 Ships – Back in Talks After Cancellation
One of the more intriguing spin-off concepts, 10,000 Ships focuses on Princess Nymeria, the legendary warrior-queen who led the Rhoynar refugees to Dorne. The project was initially scrapped, but recent reports suggest it has been revived with playwright Eboni Booth now attached to work on the script. The show would explore one of the most significant migrations in Westerosi history and delve into the rich culture of Dorne. If greenlit, 10,000 Ships could add a fresh perspective to the Game of Thrones world by shifting focus away from the usual Targaryen-centric narratives.
5. The Golden Empire – In Talks (Animated Spin-Off)
Another animated series in development, The Golden Empire aims to explore Yi Ti, a powerful civilization in Essos that draws inspiration from Imperial China. George R.R. Martin has spoken highly of this project, emphasizing the richness of Yi Ti’s lore and the potential for breathtaking animation. Given that Yi Ti is barely touched upon in the main series, this spin-off could introduce an entirely new cultural and political landscape within the Game of Thrones mythos. While no further updates have emerged, The Golden Empire remains an intriguing possibility for expanding the world beyond Westeros.
6. Aegon the Conqueror – In Talks
Few figures in Westerosi history are as legendary as Aegon the Conqueror, the Targaryen ruler who united the Seven Kingdoms. HBO has been developing a series centered around his conquests, with Variety first reporting on the project in 2023. In early 2024, screenwriter Mattson Tomlin was attached to the project, fueling speculation that it may eventually get the green light. However, HBO has yet to officially announce its development. If it moves forward, Aegon the Conqueror could serve as an ideal entry point for new viewers while also thrilling long-time fans with its epic battles and dragon-fueled warfare.
7. Snow – Shelved Indefinitely
The most controversial Game of Thrones spin-off, Snow was supposed to be a sequel following Jon Snow’s journey beyond the Wall after the events of the main series. Kit Harington was deeply involved in the project, even pitching the idea himself. However, after initial enthusiasm, Snow has now been shelved indefinitely. While not officially canceled, there have been no recent updates on its progress, suggesting that HBO has deprioritized the project. Fans hoping to see more of Jon Snow’s story may have to wait a long time—or accept that his journey ended where Game of Thrones left him.
8. The Long Night / Blood Moon – Canceled
One of the most infamous spin-offs in Game of Thrones history, Blood Moon (originally titled The Long Night) was set thousands of years before the main series, exploring the first war between humans and the White Walkers. HBO even filmed an expensive pilot starring Naomi Watts, reportedly spending around $30 million on the project. However, the network ultimately scrapped the series, citing creative differences and concerns over its viability. Despite its cancellation, elements of Blood Moon might still find their way into other prequel stories in the future.
9. Braavos-Related Series – Canceled
Another proposed spin-off would have focused on Braavos, one of the most fascinating cities in Game of Thrones. While details were scarce, it was rumored to explore the city’s history, including its origins as a refuge for escaped slaves and its powerful banking system. Unfortunately, the project was scrapped early in development. George R.R. Martin has since hinted that he may revisit Braavos in his books, but as of now, there are no plans for a television adaptation.
10. Arya Stark Spin-Off – Rumor
Ever since Arya Stark sailed west of Westeros in the Game of Thrones finale, fans have speculated about a potential spin-off exploring her adventures. However, HBO has never seriously pursued this idea, and there are no official plans for an Arya-centric series. While rumors occasionally circulate, nothing concrete has emerged. For now, Arya’s fate remains a mystery left to the imagination of fans.
As of 2025, HBO remains committed to expanding the Game of Thrones universe, with several projects still in active development. While some have been canceled or shelved, others—like House of the Dragon, A Knight of the Seven Kingdoms, and Sea Snake—are pushing forward, ensuring that the world of Westeros continues to grow. With more animated series and historical prequels in the works, the franchise has the potential to keep fans engaged for years to come. Whether all these projects will make it to the screen remains to be seen, but one thing is certain—Game of Thrones is far from over.
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