TV Castle - Season 1 Episode 3 : Edward I and His Welsh Castles Castle - Season 1 Episode 3 : Edward I and His Welsh Castles /10 by 0 users 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 Details Casts Posters Images Title Castle - Season 1 Episode 3 : Edward I and His Welsh Castles Alternative Titles First Air Date 2003-05-08 Last Air Date 2003-06-19 Number of Episodes 6 Number of Seasons 1 Genres Documentary, Networks Channel 4, Casts Marc Morris Plot Keywords , Himself - Presenter Marc Morris Episodes List Castle Season 1 :Episode 1 The Normans and their Castles The Normans and their Castles 2003-05-08 Castle Season 1 :Episode 2 Rochester Siege Rochester Siege 2003-05-15 Castle Season 1 :Episode 3 Edward I and His Welsh Castles Edward I and His Welsh Castles 2003-05-22 Castle Season 1 :Episode 4 The Age of the Castle as a Home The Age of the Castle as a Home 2003-05-29 Castle Season 1 :Episode 5 Tower Houses in Scotland Tower Houses in Scotland 2003-06-12 Castle Season 1 :Episode 6 Castles and the English Civil War Castles and the English Civil War 2003-06-19