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 picks up a lovingly restored 1925 Calthorpe motorbike that he thinks is more of a work of art than anything ever produced by Picasso.
Dave gets wind of a possible free lunch at the officers' mess when he heads off to collect a stylish Swedish Volvo P1800S from an RAF base in the Midlands.
Derek has sold everything from trucks to bicycles - but he can't remember the last time he auctioned off a two-seater plane.
100 motorbikes come in for auction from every era of the 20th century. Also, the team assess a 1965 Vanden Plas Princess with a four litre Rolls Royce engine that's seen better days.
A rusty 1970 Fiat 500 goes under the hammer - Derek reckons it's the kind of vehicle that is so iconic that it has to be saved.
Up for auction this week is a 1980 Ford Escort, a hand-built 1946 Bedford 12 electric car, and a beautiful, red 1957 Austin Healey.
Derek collects a beautifully restored and carefully modified 1936 Wolseley 14/56. Meanwhile, a Batman-inspired Chrysler Crossfire is dropped off at the Thornton le Dale garage.
Paul's doing the pick-ups in Lancashire where a rare 1960 Vauxhall Cresta PA Friary estate in dusky pink awaits.
A vivid Dutch DAF 66 - in daffodil yellow - lands at the North Yorkshire showroom.
Paul's on a big day out collecting a 1971 Jaguar E-Type and a 1933 Morgan 3-wheeler Supersport but first there's a flock of 300 chickens to negotiate before he can load up.
Dave's in fast car heaven as he picks up a rare Subaru Impreza and an equally powerful Ford Escort RS Cosworth from North Wales.
A rare 1968 Honda N600 car emerges from a lock up in County Durham and Derek's in Scotland to collect an original RAC Bedford van.
Derek collects five beautiful veteran motorbikes from an enthusiast who's still happily riding in his 90s.
A rare and much-loved 1964 Ford Capri Consul coupe comes up for auction. Paul takes a 1957 Leyland Comet truck for a spin, and Dave admits that high on his wish-list is a Citroen 2CV.