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‘Game Of Thrones’ prequel ‘House of the Dragon:’ Everything we know

Your Sunday nights are about to get more fiery.

Saddle up, folks: We're going to back to Westeros.

HBO announced the official premiere date of the “Game of Thrones” prequel, call "House of the Dragon," in March. Alongside the announcement came preview photos of the highly anticipated drama's cast, as well as hints at what to expect from the series.

Set 200 years before the events of "Game of Thrones," which concluded in 2019, "House of the Dragon" won't mention Danaerys Targaryen and her burning of King's Landing — but it will feature her ancestors.

The ten-episode prequel series will take viewers back to the Targaryen's world, full of prophetic scrolls, fire-breathing dragons, platinum blonde hair, and something called "Targaryen madness.”

The announcement means fans will have to endure several months before the series hits screens. In the mean time, we’ll be here with all of the updates. Read on for "House of the Dragon," explained.

When does it start? Episode 1 of 'House of the Dragon' will premiere in August 2022

The first episode of the “House of the Dragon” series is coming to HBO and HBO Max on Sunday, August 21. The series began production last April, per a Tweet.

Early reviews are in — and they're good

A few lucky individuals have already ventured to Westeros. Reviewers tweeted their reactions to the series, with one saying the creators "really nailed it."

Even George R. R. Martin raved about it

In a blog post released about a week ahead of the show's premiere, author Martin said he has seen all 10 episodes of the show – and it's "magnificent."

"I love what I’ve seen, Martin wrote in his blog. "(House of the Dragon) is all I hoped it would be; dark, powerful, visceral, disturbing, stunning to look at, peopled with complex and very human characters brought to life by some truly amazing actors."

The show will have new creators

"Game of Thrones" co-creators D.B. Weiss and David Benioff are not involved with the prequel series, the duo confirmed to Entertainment Weekly.

Instead, "House of the Dragons" was created by George R. R. Martin and Ryan Condal, with Condol and Miguel Sapochnik serving as showrunners.

The 'Game of Thrones' prequel will be about the Targaryen dynasty

On its official site, HBO explained that the new series will chronicle House Targaryen two centuries before the fall of their throne.

For eight seasons, fans of “Game of Thrones” received brief glimpses into Targaryen history, mostly through Danaerys' story. Now, viewers can see what Westeros was like when dragons were in the sky and Targaryens were on the throne.

"The Crown" actor Matt Smith will play Prince Daemon Targaryen in the new series.
"The Crown" actor Matt Smith will play Prince Daemon Targaryen in the new series.HBO Max

'House of the Dragon' is based on a book by George R. R. Martin, which previews the plot

According to HBO, the new series “House of the Dragon” is based on the George R.R. Martin book "Fire & Blood," published in 2018.

"Fire & Blood" is the 800-page chronicle of the Dance of the Dragons, or the official term for the Targaryen war of succession, during which Aegon II and his half-sister Rhaenyra fight over their father Viserys I’s throne — and get all of Westeros involved.

The book's official synopsis sets the scene for the show: "Centuries before the events of 'A Game of Thrones,' House Targaryen — the only family of dragonlords to survive the Doom of Valyria — took up residence on Dragonstone. 'Fire & Bloodbegins their tale with the legendary Aegon the Conqueror, creator of the Iron Throne, and goes on to recount the generations of Targaryens who fought to hold that iconic seat, all the way up to the civil war that nearly tore their dynasty apart."

Essentially, the television series will lay out the history of the House Targaryen. In doing so, "House of the Dragon" will answer some questions from the lingering show. The book's synopsis lists some: "What really happened during the Dance of the Dragons? Why was it so deadly to visit Valyria after the Doom? What were Maegor the Cruel’s worst crimes?"

Alicent Hightower (Olivia Cooke) in "House of the Dragon."
Alicent Hightower (Olivia Cooke) in "House of the Dragon." HBO Max

The cast of 'House of the Dragon' includes Matt Smith and Paddy Considine

In keeping with the approach of its predecessor, “House of the Dragon” will have a sprawling cast and a new set of intricate relationships to follow.

The show’s current main cast includes Paddy Considine of “Informer” and "The Third Day" as King Viserys Targaryen, chosen by the lords of Westeros to take on the throne and replace the Old King, his grandfather Jaehaerys Targaryen.

Paddy Considine in "House of the Dragons."
Paddy Considine in "House of the Dragons." HBO Max

Emmy D’Arcy (“Wanderlust”) will play Princess Rhaenrya. King Visery I breaks the line of succession by naming Rhaenrya heir to the throne. During the Dance of the Dragons, Rhaenrya battles her half-brother, Aegon II.

Emma D’Arcy as Princess Rhaenyra Targaryen.
Emma D’Arcy as Princess Rhaenyra Targaryen. HBO Max

Princess Rhaenyra's entire history will be explored, which means — you guessed it — flashbacks. Milly Alcock will play young Princess Rhaenyra.

Milly Alcock (l) as young Rhaenyra, Emily Carey (r) as young Alicent Hightower.
Milly Alcock (l) as young Rhaenyra, Emily Carey (r) as young Alicent Hightower.HBO Max

Matt Smith of “The Crown” and "Doctor Who" will take on the role of Prince Daemon, Viserys’ younger brother. HBO describes him as a “peerless warrior and a dragonrider.”

Emma D’Arcy (l) as Princess Rhaenyra and Matt Smith (r) as Prince Daemon.
Emma D’Arcy (l) as Princess Rhaenyra and Matt Smith (r) as Prince Daemon.HBO Max

Rhys Ifans will play Otto Hightower, the hand of the king. He perceives Daemon, Viserys' brother, as "greatest threat to the realm," per HBO.

Rhys Ifans as Otto Hightower in "House of the Dragon."
Rhys Ifans as Otto Hightower in "House of the Dragon."HBO Max

Olivia Cooke plays Alicent Hightower, Otto's daughter raised in the Red Keep. Emily Carey will play young Alicent.

Olivia Cooke as Alicent Hightower, Rhys Ifans as Otto Hightower.
Olivia Cooke as Alicent Hightower, Rhys Ifans as Otto Hightower.HBO Max

Steve Toussaint will play Lord Corlys Velaryon, nicknamed "the Sea Snake" for his nautical adventuring. As lord of House Velaryon, he is even richer than the Lannisters in "Game of Thrones."

Actor Steve Toussaint tasks on the role of  Lord Corlys Velaryon in the prequel series.
Actor Steve Toussaint tasks on the role of Lord Corlys Velaryon in the prequel series.HBO Max

Sonoya Mizuno will play Mysaria, a former slave. Now free, she is a champion and ally of Prince Daemon.

Sonoya Mizuno as Mysaria.
Sonoya Mizuno as Mysaria.HBO Max

Other characters to look out for include:

  • Eve Best as Rhaenys Velaryon, wife of Lord Corlys. A Targaryen, Rhaenys was passed over as heir to the throne in favor of her cousin, Viserys.
  • Fabien Frankel as Criston Cole, a Dornish steward to Lord of Blackhaven.

Notably missing from the cast list is Aegon II, a character who plays a major role in Martin's "Fire & Blood." That said, the official list of characters also includes mention of Lannisters.

Yes, there will be dragons — 17, to be precise

As the title suggests, the show will have dragons in it. According to showrunner Condel, there will be 17 flying reptiles, distinct in terms of personality and appearance.

"It was important to differentiate them in not only the way they look and behaved and acted, (but also) the way they bonded with their riders," Condel told Den of Geek.