Gardening Australia

Christopher explores the cultural wealth of Southeast Asia. He visits the temple complex of Angkor Wat in Cambodia, the old royal cities of Hue in Vietnam, and Luang Prabang in Laos. Ha Long Bay with its bizarre limestone islands, the world's biggest cave in Vietnam, and Balinese rice terraces prove that nature and culture often go hand in hand.

The team is in Madagascar to study the recently discovered Goodman's mouse lemur. One of the world's smallest primates, it's incredibly agile and ferocious.

This episode follows the story of the isolated and iconic Australian outback town of Birdsville. The town's population of just over 100 people mushrooms twice a year with a flood of almost 20,000 partygoers who transform this quiet outpost. For one weekend in September the dusty desert hosts The Birdsville Races, dubbed 'the Melbourne Cup of the Outback', and for three days in July there's The Big Red Bash, billed as the world's most remote music festival. But what happens when the tourists depart, the mercury hits 49.5 degrees Celsius, and an army of flies occupies this remote town?