How many did you already know?

Warning: This article contains spoilers forHouse of the Dragon.

1.House of the Dragonis based on George R. R. Martin’s novel,Fire and Blood.

Paddy Considine as King Viserys I Targaryen, wearing a crown and medieval-style robes, claps while seated on a throne in a scene from "House of the Dragon."

2.But it wasn’t the first intended spinoff of the popularGame of Thronesseries.

BeforeHouse of the Dragonwent into production, there was another series set to launch namedBloodmoon.

This is a fun visual of New York City apartments watching the House of the Dragon premiere.

A dragon from HBO's "Game of Thrones" soars through the sky with wings spread wide against a backdrop of clouds

Sums up just how big the premiere likely was!

Didnt expect anything less.

It follows the civil war of her ancestors, The Targaryens, at the height of their reign.

Matt Smith as Daemon Targaryen in HBO's "House of the Dragon," holding a sword and saying, "He can keep his tongue."

9.Matt Smith reported that it takesone and a half hoursto transform into Daemon Targaryen.

12.Fans might have spotted a callback inHouse of the Dragon.

King Viserys' Valyrian sword is used by Arya inGame of Thrones' eighth season.

Matt Smith, as his character Prince Daemon Targaryen, in a medieval-inspired outfit with long silver hair, in a scene from the TV series "House of the Dragon."

13.Milly Alcock (who plays Princess Rhaenyra Targaryen)was only 10 years oldwhenGames of Thronespremiered.

She’d never watched the show until she got the part inHouse of the Dragon.

14.Olivia Cooke and Emma D’Arcy went viral during theHouse of the Dragonseason one press tour.

Two dragons from HBO's Game of Thrones flying over the ocean

19.TheHouse of the Dragonproduction team was more inclined to usesource lighting, where possible.

Scenes were lit with the most genuine sources like the sun, moon or fire to create authenticity.

What do you think will happen this season?

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Stream the new season ofHouse of the Dragon coming toBINGEon June 17, 2024.

Matt Smith as Daemon Targaryen in "House of the Dragon," looking pensive against a cloudy sky background

King Viserys Targaryen, Princess Rhaenyra Targaryen, and Ser Otto Hightower are seated at a lavish feast in a grand hall with the Iron Throne in the background

Tom Glynn-Carney as Aegon Targaryen sits on a grand chair, holding a dagger, in a medieval-style setting on a TV show

Emilia Clarke as Daenerys Targaryen walking with a white horse, and Michiel Huisman as Daario Naharis with a black horse, both dressed in medieval attire in a forest