https://screenrant.com/house-dragon-game-thrones-robert-baratheon-death/

House of the Dragon has made a number of Game of Thrones callbacks in its first episodes, including a scene that explains one GOT character's death.

House Of The Dragon Already Changes How You See The Lannisters (https://screenrant.com/house-of-the-dragon-already-changes-how-you-see-the-lannisters/)

House of the Dragon episode 3 introduces a pair of Lannisters into the series. However, these Lannisters are much different from their descendants.

HOTD Secretly Connects Rhaenyra Targaryen To Arya Stark (In 3 Ways!) (https://screenrant.com/house-dragon-rhaenyra-game-thrones-arya-stark-similar/)

One of House of the Dragon’s central characters and one from Game of Thrones are being linked in the form of Rhaenyra Targaryen and Arya Stark.

Why Some Targaryens Have Prophetic Dreams (Do They All Come True?) (https://screenrant.com/why-targaryens-have-prophetic-dreams-game-thrones/)

The Targaryens have a long history of dragon dreams, beginning with Daenys the Dreamer and ending with Daenerys Targaryen's GOT visions.