The Silver Chair is a series shown on BBC television in 1990. It is the third and final series of The Chronicles of Narnia that ran from 1988 to 1990. Barbara Kellerman returned in a new role as the Green Lady; Barbara had previously played Old Hag and the White Witch in previous seasons. The six-part series followed the 1953 book in great detail and was filmed in various locations including Peak Cavern, Haddon Hall, Bakewell, Derbyshire and the Duchy of Lancaster.