What was life inside a castle like? What weapons did knights use in battle? How much did a suit of chain mail weigh? Long before gunpowder reached European battlefields, knights rode out from castles to fight with swords. But what did it take to become a knight? And what was the life of a knight like? Knights and Castles takes you on a journey through the time when lords and church leaders governed and knights risked their lives to defend their territory.