S1, E5: George discovers one of the National Trust's quirkiest architectural marvels, a bear hut on the 6400-acre Killerton estate in Devon. At Baddesley Clinton Hall, Warwickshire, a unique moated manor house, he hears how it acted as a hideaway for runaway Catholics during the Elizabethan era. Finally, he explores Gibside, an impressive if partly derelict 600-acre park estate near to Newcastle.