Richard opens a classic car restoration workshop but being the boss of a new business isn’t quite what he expected. He ropes in his family to help promote it.

Some of the precious classic cars and motorbikes go to auction with no reserve. Meanwhile, Neil and Anthony get to work on a mystery vehicle from the 1930s.

Richard’s new state-of-the-art workshop is finally open but nearly a quarter of a million out of pocket, the business has got to start paying for itself.

Richard faces the hard reality that the workshop isn’t yet making any money. But a fast turnaround paint job on a Land Rover provides some financial respite.

The pressure in on when Richard decides to compete at an NEC show to bring in clients. Plus, Anthony's unusual repair job has him sourcing spare parts from Sri Lanka.

Neil promises to help a friend with his 1930s Morris 8, but it's a financial hit for Cog. Plus, Richard admits to Kamla that work on the MGB will cost more than expected.

Richard takes the Cogs go karting to find a driver for the classic racing team. And, The Smallest Cog MBG GT race car gets its debut at the Prescott Hill Climb.

Richard faces a gun-toting client, who is anxious for work to start on his vintage Bentley. And, poor planning threatens The Smallest Cog's chance at a car show.

Richard comes up with a cunning plan to create a show car to generate business for the Cog. And, accountant Kamla gives Richard a harsh reality check.

Richard and the team try to win one of their biggest ever restorations - a rare 1950s Porsche 365. Plus, the team head to Silverstone in search of racing glory.

Richard restores a unique 1967 Delahaye sports car belonging to legendary Grand Prix driver Louis Chiron. But with the Delahaya's original paint to track down, Richard soon fears his dream to display the car to the classic car elite may be in jeopardy.

Richard prepares the MGB for the racing season, and fixes up an E-type for a classic car rally. Kamla is delighted when Richard ups the workshop rate. But the plan is derailed when Neil takes on a rusting Lancia to raise money for endangered leopards.

Richard and the Cogs restore a 1947 Delahaye and a Jaguar XK120 for Salon Privé. While Richard explores the future of motoring in a Bentley powered by synthetic fuels at Goodwood, a Lancia taken on to help endangered leopards threatens to derail plans.

Anthony gets the chance to do driver training in a race-spec Nissan Skyline GTR at Donington Park, but his attempts to repeat the experience in The Smallest Cog’s MGB end in spectacular failure.

Richard redesigns his horsebox into an RV for the Cog race team but questions whether they should continue racing as the Cogs face their final event.