This episode follows the seasons at Burghley House's 10,000 acres of Lincolnshire countryside, where forester Peter works to protect rare bird species while gardener Joe aims to increase Burghley's insect population, and the year-long preparations for the Burghley Horse Trials continue.

Following head gardener at Penshurst Place, Tony, through the seasons as he looks after one of the oldest privately owned gardens in the country. And there's a look around the estate's 50-year-old toy museum.

This episode explores the 10,000-acre Castle Howard Estate in Yorkshire as it races to complete a massive renovation ahead of its spring opening to the public. The Howard family and their team of dedicated staff and volunteers work to transform the historic interiors while, outside, a 440-acre rewilding project is underway and a herd of goats do their bit to conserve the land.

Using cutting-edge drone and aerial photography to reveal Britain's country houses and palaces from a new perspective, capturing breathtaking architecture, formal gardens and sweeping parklands in extraordinary detail. Beginning with Blenheim Palace in Oxfordshire.