Richard the Lionheart S01 E01 Long Live the King

Training soldiers off in the countryside, Prince Richard is unaware that his father the King is ill. A messenger is sent to tell him, but scheming Prince John has him killed and a false message sent that causes Richard to go off to make a treaty with the unpredictable Lady Catherine. In the mean time, the King dies and John insists that in Richard's absence, he should become the new King.