Back Roads continues its epic trip on The Outback Way. Lisa Millar soaks up spectacular natural wonders and meets people making a big difference educating kids, before hitching a ride with a couple of "Warrior Princesses".

Back Roads heads to Queensland's Great Keppel Island. Once a paradise for partygoers, Heather Ewart meets the locals looking for a better way to share their pristine backyard with the rest of the world.