Production Overview

Season 3 of House of the Dragon is currently in production, with principal photography having begun in March 2025 in the UK, including at Warner Bros. Leavesden Studios in Watford

While no official release date has been confirmed, industry estimates strongly point to a summer 2026 premiere on HBO and HBO Max

Season 3 is expected to feature eight episodes and continue the complex narrative of the Targaryen civil war (Dance of the Dragons), delving deep into escalating conflict between Team Black and Team Green

Key Cast & New Roles

Returning cast includes Emma D’Arcy (Rhaenyra), Olivia Cooke (Alicent Hightower), and Matt Smith (Daemon Targaryen)

New additions announced are James Norton as Lord Ormund Hightower, nephew of Otto Hightower, leading forces on behalf of House Hightower at Oldtown and King's Landing

. Further casting includes Tommy Flanagan as Ser Roderick Dustin, Dan Fogler as Ser Torrhen Manderly, and others joining the escalating war narrative

Under showrunner Ryan Condal, Season 3 promises dramatic escalation, opening with major events such as the Battle of the Gullet and the siege of King’s Landing

. Condal has teased that the warfare will go "very hot, very, very quickly" with “copious amounts” of Targaryen bloodshed

This season marks the midpoint narrative of the series, moving into Act 3 territory of Fire & Blood, as internal Targaryen strife accelerates toward civil war climax

Why This Season Matters

  • It marks the most ambitious, war-heavy season yet — matching the narrative scope and production ambition seen in Game of Thrones.
  • The addition of strategic characters like Ormund Hightower introduces new power dynamics and faction tension.
  • Fans of epic fantasy and Westerosi politics can expect cinematic battles, political intrigue, and character evolution.