Series 4

Cornwall's Lost Gardens of Heligan's head gardener sows the seeds of a wildflower revolution. And in Devon, we meet Brixham harbour's maverick skipper, who live-streams his latest catch via Facebook.

A wheelwright and his team repair a Victorian era bicycle, we celebrate the 70th birthday of a Cornish creation - the Fowey River Class dinghy - and a Cornwall stonemason repairs a crumbling landmark.

A steam engine enthusiast embarks on an ambitious journey across Devon in an 80-year-old steamroller. Near Falmouth, two champion free divers explore a spectacular underwater cave.

An ambitious project to build the world's largest labyrinth made from iconic Cornish hedges gets underway, and the Ghost Fishing UK divers help to de-litter the seabed near Mylor.