S1, E5: Presented by Simon Delaney and featuring specially shot re enactments, archive footage and contributions from Ireland's leading historians, archaeologists and castle owners, our penultimate episode documents the changes in Irish castles throughout the 18th and 19th centuries. This episode documents some of these castles and their owners who have struggled to maintain their estates as rents fall and lands sold off. Castles featured are the now so modern Dublin Castle, the magical Tullynally, Birr Castle, the home of the largest telescope in the world and finally Charleville Castle that is undergoing continuous rebuilding with the help of international volunteers.