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 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.

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.

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.