Quest HD Saturday

The actor's antipodean tour concludes in Queensland, where he goes 'off the grid' to find out what life is like away from the state's popular beaches

Action from round four in Knockhill

Mike and Elvis hunt for Australia's favourite pick up, the Hilux. Despite years of farm use, the boys aim to create the ultimate off-roading beast

Mike Brewer invests in a rare 1967 amphibious car, but it has some underlying problems that could eat away at his potential profit margin

Mike Brewer tries to track down the first-ever Bond car, a 1963 Sunbeam Alpine. He finds a rust-free, race-ready motor, but Edd China discovers some surprises in the engine bay

Edd China and Mike Brewer set the challenge to find the ultimate bug-out vehicle that would ceaselessly run, and decide on the Land Rover Series IIA

Mike Brewer finds a 1966 Morris Minor Traveller for the bargain price of £2,400, and makes plans for Edd China to renovate it so he sell it on for at least £7,000

Mike Brewer finds an unregistered Cobra sports car that has only done 1,000 miles, but Edd China faces a difficult challenge to get it past a tough emissions test

Mike and Elvis hunt for Australia's favourite pick up, the Hilux. Despite years of farm use, the boys aim to create the ultimate off-roading beast

The sprint race in the Grand Prix of Germany. Action from the 11th round of the campaign at Sachsenring in Germany

Henry Cole and Guy Willison pay a visit to motocross lover Terry in Hereford. He's got everything from perfectly restored motorbikes to a hangar of automotive horrors

Henry and Guy have a rummage in Nigel's sheds in Bexleyheath, where they uncover memorabilia, trinketry and a bicycle that takes Henry back to his childhood.

Henry and Guy are invited to Yeomans in Worcestershire, which is packed to the rafters with classic British motorbikes, but will the boys be able to get any of them running?

Henry and Fuzz visit an ex-commercial pilot with two hangars' worth of stuff. He's got classic cars and even planes, but will a BSA with missing parts prove a bridge too far?

Henry Cole and Simon O'Brien head to Dumfries and Galloway, where they find an electric organ and a vintage oil dispenser in barns that are brimming with junk

Henry Cole and Simon O'Brien head to Dumfries to meet Maggie, whose farm holds an extraordinary collection of memorabilia

Henry Cole and Simon O'Brien head to Pembrokeshire to meet a cattle breeder whose barns include a pair of discarded horns, and a camper van fan with a vintage pedal car

Around the world, there are extraordinary building mistakes. Design teams and experts analyse what went wrong and how engineers are fixing them

Around the world, there are extraordinary building mistakes. Design teams and experts analyse what went wrong and how engineers are fixing them

When Shane decides to try hard rock mining, he gets help from an unlikely source. The Mackies put a surprise visitor to work proving up new ground

Jack Macrae manoeuvres a massive house through extreme weather conditions. Meanwhile, Mike Elliott battles scorching heat in Western Australia

Bad weather strikes treasure hunter Darrell Miklos as he makes his way along the Columbus trail, forcing him to put his gear to the ultimate test