Watch Castle Season 1 Episode 3 Online
- COUNTRIES: United Kingdom
- Subtitles: English
Historian Marc Morris explores how King Edward I's relationship with a master builder led to the creation of some of the most famous castles in Britain, including Caernarfon, Caerphilly and Harlech - fortresses used by the king as a formidable weapon to consolidate his conquests of Wales and its native dynasties
