The death of a witness created a stir in St-Bruno. Was it an accident, murder, or suicide? Did they want to silence her?

Michael Portillo crosses the Severn Estuary to begin a new railway journey along the south coast of Wales. Eschewing the train through the 19th century Severn Tunnel, he joins maintenance workers on a hair-raising secret railway high above the estuary.

Michael Portillo continues his South Wales coastal railway journey in Barry Island, where he investigates what's occurring at the busy docks. The waters upstream of the Barry Peninsula are tricky to navigate and the tides are the second highest in the world.

Dermot fulfils a long-term dream of gliding along the freeway in a Mustang to begin his LA adventure, which includes a visit to a floating glass house with spectacular seascape views on Laguna Beach, meeting renowned Irish American architect Lorcan O'Herlihy who takes him to the iconic Jai House he built for his bestselling author clients, setting foot inside a gold house deep in the Joshua Tree desert - no mean feat as the owner turns down most requests, even Rihanna's - and getting a glimpse inside a house shaped like a wave.

The Barefoot crew head to Grande Terre, the main island of New Caledonia, with supplies running low. When they hit land, they find empty streets and closed shops courtesy of a local festival. Unable to completely restock the boat, they learn local prawn hunting techniques and cook up a storm. The crew are overwhelmed by the beauty of the Underwater Path and interrupt a massive school of reef fish during a free dive.

Slow TV is back, celebrating stunning landscapes of Countries across Australia. Sit back and relax with the healing powers of Country.