Your Complete Guide to the World of Westeros: 4 Game of Thrones Spinoffs You Need to Know

TL;DR: The Game of Thrones universe is expanding! Beyond the main show, there are four confirmed projects in the works—ranging from a stage play in the UK to a big-screen movie. Here is your simple, spoiler-free roadmap to what’s coming next.

1. Game of Thrones: The Mad King (Stage Play)

Think of this as a "history lesson" acted out live on stage.

• What is it? A brand-new theatrical play produced by the famous Royal Shakespeare Company (RSC).
• Where & When? It premiered August 8, 2024, in Stratford-upon-Avon, UK (Shakespeare’s birthplace!). The current run goes until September 5, 2024.
• The Story: It covers Robert’s Rebellion—the war that happened before Game of Thrones started—and the Tourney at Harrenhal, a massive tournament where the seeds of that war were planted.
• Key Characters You’ll See:
  • Aerys II Targaryen (The "Mad King")
  • Rhaegar Targaryen (Daenerys’s older brother)
  • Lyanna Stark (Jon Snow’s mother)
  • Young Ned & Brandon Stark
  • Robert Baratheon
  • Young Jaime & Cersei Lannister
• Why It Matters: This isn’t just fan fiction. George R.R. Martin himself provided secrets for the script that haven’t been in the books or shows yet. It changes what we know about how the rebellion really went down.
• Can I Watch It? Right now, only in person in the UK. But reviews are amazing (standing ovations!), so a filmed version or wider tour is very likely later.

Important Note: This is not an HBO TV show. It is a separate canon (storyline) produced for the stage, but it is considered official lore.

2. A Knight of the Seven Kingdoms (TV Series — Season 2 Confirmed)

Think of this as a "buddy road-trip comedy" set in Westeros.

• What is it? The second live-action HBO series. It’s based on George R.R. Martin’s novellas called Tales of Dunk and Egg.
• When is it set? Roughly 90 years before Game of Thrones.
• The Duo:
  • Ser Duncan the Tall (Dunk): A huge, kind-hearted hedge knight (a knight with no master, wandering for work).
  • Egg: His small, bald, sharp-tongued squire. Secret: "Egg" is actually Aegon Targaryen, a hidden prince who eventually becomes King!
• Vibe: "Dramedy" (Drama + Comedy). Less "everyone dies horribly," more "two friends getting into scrapes and solving local problems."
• Current Status:
  • Season 1: Already aired (early 2024) — fans and critics loved it.
  • Season 2: Filming is wrapping up now.
  • Release Window: Expected Early 2027 on HBO/Max.
  • Future: HBO wants to make this a yearly show. Season 3 could arrive in 2028.

3. House of the Dragon (TV Series — Final Season 4 Coming)

The blockbuster prequel that started the current era.

• What is it? The first GoT spinoff. A "Shakespearean tragedy" about a family tearing itself apart.
• When is it set? Roughly 200 years before Game of Thrones.
• The Conflict: The Dance of the Dragons — a brutal civil war between two halves of House Targaryen (Team Black vs. Team Green) fighting for the Iron Throne. Spoiler: The dragons go extinct, and the dynasty begins its long decline.
• Where Are We Now?
  • Season 3 Finale: Airs Sunday, August 9, 2024 at 9:00 PM ET on HBO/Max.
  • The End is Near: The show is confirmed to end with Season 4.
  • The Wait: Expect a ~2 year gap before the final season arrives (likely 2026).

4. Aegon’s Conquest (Theatrical Movie — In Development)

The "Origin Story" movie coming to a theater near you.

• What is it? A feature film (not a TV show) produced by Warner Bros. Discovery.
• The Story: Aegon I Targaryen (The Conqueror) and his two sister-wives, Rhaenys and Visenya, fly their three dragons to conquer six of the Seven Kingdoms and forge the Iron Throne. This is ~300 years before Game of Thrones.
• The "Big Three" Dragons:
  1. Balerion the Black Dread (Aegon’s mount — the biggest ever).
  2. Meraxes (Rhaenys’s mount).
  3. Vhagar (Visenya’s mount — Yes, the exact same dragon Aemond rides in HotD! She is ancient).
• Current Status:
  • Confirmed: Actively in development.
  • Format: Theatrical Release (Cinemas only, not streaming first).
  • Release Window: After 2027. Best guess: 2029 (right after House of the Dragon finishes).

Summary Timeline: What to Watch & When

FAQ: Your Burning Questions Answered

1. Do I need to watch these in order?

Nope! They are all prequels set in different centuries.

• Aegon’s Conquest (Earliest) → House of the Dragon → A Knight of the Seven Kingdoms → The Mad King (Latest prequel) → Game of Thrones.
• You can jump in anywhere, but House of the Dragon is the most "main show" experience.

2. Is The Mad King play canon (official lore)?

Yes, mostly. It was developed with George R.R. Martin’s direct input. He gave them "secrets" from his notes. However, since it’s a play by a different company (RSC, not HBO), think of it as "Semi-Canon"—official history until the books contradict it.

3. Who is "Egg" in A Knight of the Seven Kingdoms?

He is King Aegon V Targaryen (great-grandfather of the Mad King, great-great-grandfather of Daenerys). He gets the nickname "Egg" because he shaves his head to hide his silver Targaryen hair while traveling in disguise. He eventually becomes a very good king known as "Aegon the Unlikely."

4. Will Daenerys or Jon Snow be in any of these?

No. These take place decades or centuries before they are born. However, you will meet their ancestors (like Rhaegar, Aerys, Visenya, and Egg).

5. Why is Aegon’s Conquest a movie and not a show?

Warner Bros. wants a big-screen "event" experience. The Conquest involves massive armies, three giant dragons burning castles (Harrenhal!), and the forging of the Iron Throne by dragonfire—visuals built for IMAX screens.

Final Thoughts

The "Dance of the Dragons" is wrapping up on TV (House of the Dragon), but the world of Westeros is just getting started elsewhere. Whether you want live theater lore drops (The Mad King), cozy knight adventures (Dunk & Egg), or epic cinematic history (Aegon’s Conquest), there is a flavor of Westeros for everyone.

Mark your calendars: The House of the Dragon Season 3 finale hits August 9. After that, the long wait for the end begins—but at least we know the future is full of dragons.