Cameras go behind the scenes of the stately home's gardens and discover what it takes to keep the 900 acres of ground looking presentable all year round. House curator James and his team undertake the task of cleaning the ancient Longleat House, including lowering and delicately cleaning the priceless 18th-century chandelier that hangs above the grand staircase.

Celebrations for the 75th anniversary of the estate opening to the public step up a gear as staff prepare for a three-day festival, Icons of the Sky, featuring Tiger Moth biplanes, helicopters and a Spitfire. With thousands expected to attend, Events Manager Daisy is flat out pulling it all together, but there's a bleak weather forecast. Over in the safari park, VIP Manager Beth goes on a mission to reset the reputations of one of the park's least-loved animals: the hyenas. 

In this episode, Ceawlin Thynn, the current Lord Bath, explains how his grandfather Henry, 6th Marquess of Bath, worked alongside Jimmy Chipperfield, of Chipperfield's Circus fame, to open up the world's first safari park outside of Africa. And resident safari guide Dave hosts a double decker tour of Monkey Kingdom for a box seat view of the mayhem caused by the resident troupe of rhesus macaques.