Emma D'Arcy as Queen Rhaenyra in "House of the Dragon."
HBO
- "House of the Dragon" season 2 premieres Sunday on HBO.
- The show's first season was dense, fast-paced, and full of time skips.
- Here's a recap of the important info you need to remember before season 2.
Warning: spoilers ahead — obviously — for all of "House of the Dragon" season one.
"House of the Dragon" season two is finally almost here — but it's been a few years since season one aired on HBO.