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.

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

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.

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'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.

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.

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 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.

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

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

Richard brings in a business consultant to revolutionise the business

Richard Hammond and the Cogs work on a priceless car from World War Two.

The Cog race to make their most important deadline ever.

Richard is desperate to get behind the wheel of his beloved MGB in a proper race, but the costs involved mean they need to get new sponsors on board if he wants to keep new manager Jamie on side. Luckily director of PR global, Zog, has a cunning plan.

With the MoD’s deadline looming, Neil feels the pressure as the Cogs work feverishly to finish Monty’s Rolls Royce. Richard’s revamps his Escort RS2000 to match its specially commissioned Corgi model and the workshop welcomes its first returning customer.

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

Richard Hammond starts a prestige classic car restoration and repair business near his hometown of Herefordshire.

Richard wants to take the business to a whole new level by using the power of social media and embracing his role as Cog brand ambassador, resulting in an intrepid trip to the Middle East.

The Cog respray an Aston Martin Lagonda a shocking pink for Europe's biggest car collector. Richard's daughter Izzy discovers a passion for racing. Richard gets carried away and enters them into a race, prompting a last-minute bout of parental nerves.

Things appear to be on the up when they land a prestigious Morgan job, but a disastrous E-Type re-build prompts an emergency audit by Richard's mum. The verdict is damning.

With the workshop haemorrhaging money, Richard brings in heavyweight help. Attempts to make money through selling merchandise backfires.

A 1950's American pick-up truck offers the Cogs their first chance of car-show glory, if they can restore it to pristine condition. And Richard gets a shot of driving in the biggest classic car race of the season, providing he can impress his mentor.

Much excitement as the Cogs head to the Isle of Man TT to launch a new British bike brand. A racing Mini needs brutal surgery after a crash. And Hadrian calls time on Cog Racing so Richard enlists old friends Les and Zog as his stand-in race team.

New staff find themselves in at the deep end restoring a unique 1960's concept car and a rare Lotus. Richard follows his dream of big-time racing and attempts to get his hundred-year-old steam car back on the road threaten to run out of puff.

The Cogs take centre stage with an eclectic display, including the last ever Lotus Europa, at Britain's premier car show - Salon Privé. But glory is short-lived. When Richard returns James May's restored Triumph Stag it doesn't exactly go as planned.