https://cdnph.upi.com/ph/st/th/2131784998296/2026/i/17850000129392/v1.5/Matthew-Needham-Aegon-tests-Larys-patience-in-Dragon-S3.jpg" /> S3 of the "Game of Thrones" prequel, "House of the Dragon," shows disputed Iron Throne heir Aegon (Tom Glynn-Carney) on a medieval road trip.