Gardener Alan Titchmarsh is given exclusive access to the Buckingham Palace Garden in this two-part programme, as he visits the site over the course of a year, discovering hidden secrets as it changes across the seasons. He begins at the summer garden party where 8,000 people are invited on to the grounds, and meets beekeeper John Chapple as he harvests honey. He also explores the garden's origin, learning it was part of Henry VIII's hunting ground, and views the Rose Garden in late summer. As a...