The team goes behind the scenes at Mathewsons, a North Yorkshire-based, family-run car auction business which uncovers rare vehicles in Thornton-le-Dale. It attracts classic car buyers from all over the country.
Derek casts his eye over a Citroen 2CV, before he is off admiring the treasure trove of more than 270 motorbikes in the same garage.
Derek heads off to collect some vintage motorcycles from a garage at the bottom of the garden in the North-East of England.
Dave finds two rare Fiats and a VW Corrado. Derek has his work cut out trying to remove an old Morris that appears to be supporting the garage roof. What could possibly go wrong?
Derek navigates the dry stone walls of the Peak District to collect a very original 1988 Opel Manta. Plus, Dave deals with a Ford Granada rally support vehicle.
Derek has a three-hour drive in a 1960s bus that arrived in the UK after a life in the sun. Dave takes a Triumph TR7 convertible to auction.
Dave's on his way to Grimsby to pick up an iconic 80s fast Ford, the Mk1 Fiesta XR2.
Derek gets a tour of Hadlow Castle in Kent when he arrives to collect the owner's pre-war Alvis and an immaculate Citroen used by the Gestapo in occupied France.
Derek is picking up two expertly crafted batmobile replicas in the home counties and Dave can't control his enthusiasm for a Ford US wartime jeep.
Paul is picking up a stunning 1961 Vauxhall Cresta, inspired by American design, the car changed the face of British motoring.
Derek inspects a brace of old cop cars including a Rover P6 complete with radio, sirens and V8 engine, and a former Mod waves ciao to his collection of 1960s Italian scooters.
Derek swaps the chaos of the office for rain-soaked Ripon to pick up a 1965 Ford Anglia with just 33,000 miles on the clock, while Dave's loving the clean lines of a rare Renault Caravalle.
Paul heads to County Durham to pick up a 1936 Singer Le Mans sports car and a pristine 1957, one-owner Lambretta LD 150, while Derek gets his hands on a 1962 MGA MK2 Coupe.
Derek is reunited with the vehicle he took his driving test in - a 1957 Ford 100E Estate. Dave is also on the trail for an Escort, this time a 1970s Mk1 twin cam.
Derek's search for the unusual lands him a 1947 Lea Francis that's half-made of wood. Paul heads for the countryside to pick up a Morris one tonne truck.
Dave and Jack head to East Yorkshire to pick up a dusty Alfa Romeo and a 1930s Jowett. But Dave's more taken with a possible Christmas present - a Carry On-style, bum-wobbling exercise machine.