Richard and the Cogs restore 'Olivia' for a live audience at CarFest. But can the show help the team get their mojo back?

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.

Richard must come up with a plan to raise emergency funds. And, the team enter their first race at Donnington Park, but engine problems threaten to derail the entire project.

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 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's business goes global after a call from an international car collector in Singapore. And, Richard helps his best friend Les fulfil a childhood dream.

Richard has the chance to win a historical, unique, car restoration project

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 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.

Richard races at Silverstone and has a podium finish within his sights.

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 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 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.

Richard gambles his own money on a 1970 Mark II Jensen Interceptor with plans to restore it to factory specification. Plus, the guys head to the London Classic Car Show.

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.

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 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.

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.

In an attempt to win work, Richard and the team decide to enter one of their cars into the UK’s most prestigious classic car show contest, the Concours of Elegance.

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's team work overtime to complete their first big restoration - a 1950s Alvis. Plus, they are under pressure to get their racing MGB fit for competition.

After a disastrous test with the MGB, Richard warns the Cogs if they can’t turn things around in time for the next race, he’ll pull the plug on the whole project. And Neil struggles to get the Lancia finished in time for a Goodwood auction.

The cogs go International restoring an iconic 1970s Royal Enfield Interceptor motorbike. An epic road trip ensues when Richard, Neil and Andrew decide to deliver the bike themselves to the cool Wheels and Waves festival in Biarritz.

Richard brings in a business consultant to revolutionise the business

Richard finds a classic mini that needs restoring. And, with the costs of the new workshop escalating, he sells some of his own cars to help pay for the business