Dom takes to the high seas on the crucial ferry link between Northern Ireland and the UK mainland. Can he keep things shipshape, or will he end up all at sea?
Dom finds out what it takes to fill the UK's freezers with peas, joining in with the harvest on a Yorkshire farm and helping at the factory where they are bagged and frozen.
Dom Littlewood joins the East Yorkshire bus company in Hull, getting behind the wheel of a double decker, making sure the vehicles go out on time and helping to keep them in perfect working order.
Dom Littlewood takes a walk on the wild side, working as a zookeeper at the largest zoo in the UK. As he mucks in, he discovers that the zoo's conservation efforts are helping make sure that many of these endangered species survive in the wild for generations to come.
Dom Littlewood works with one of the UK's biggest water companies. He traces the flow of this precious resource from the reservoir to homes and businesses, before finding out what happens with wastewater at the other end of the system.
Dom's working at the Port of Tyne, but can he pull his weight alongside the men and women who operate around the clock to keep essential imports and exports moving?
Dom's rolling up his sleeves in rural Cumbria, working alongside the vets who ensure that our farm animals and furry friends are healthy, no matter the circumstances.
Dom lifts the lid on what really happens to Britain's waste, finding out how our non-recyclable rubbish is turned into energy to power our homes and businesses.
Dom gets to work in construction, but will he raise the roof or go down like a ton of bricks as he joins the men and women who are building Britain?
Dom works as a roadside mechanic, finding out what it takes to keep the UK's motorists moving. Can he keep the show on the road, or will he be a spanner in the works?
