Series 4

The Rev Richard Coles joins Robson to explore the Northumberland coastline. They take a Canadian canoe trip along the River Coquet, visit the hidden gem of Walkworth's secret hermitage, make the crossing to Lindisfarne for a photography class and have a go at rope work.

Robson is joined by Invictus Games gold medal winner JJ Chalmers in and around the Scottish town of Pitlochry. The pair zipwire across the River Garry and enjoy a husky ride.

Robson is joined by his footballing hero, Alan Shearer. The pair go mackerel fishing off the Northumberland coast, spot dolphins in the wild and go flying in vintage aircraft.

Robson joins singer KT Tunstall in her home territory of Fife as they explore the beaches of her childhood near St Andrews, followed by a sea shanty workshop and jewellery making.

Robson and brother David head to a farm near Hexham for a lesson in jam making. They try making a terrarium - a miniature garden in glass - before heading to their childhood favourite beach, Druridge Bay, where they help build a gigantic sandcastle complete with turrets.

England football hero Steph Houghton joins Robson in Teesdale. He takes the former Lioness tree climbing and canoeing before they learn how to light a fire with sticks.

Actor Mark Benton joins Robson on a Scottish road trip to East Lothian. Robson introduces Mark to bird watching, cookery and highland games. The pair stay in a double decker bus.

Robson joins up with Sheli McCoy, aka Gladiator Sabre, to explore Fife. A paddleboard tour of the coast is followed by a farm stay overnight and a boat trip to the Isle of May.

Robson takes fellow actor Jo Joyner horse riding in the shadow of the Cheviots as he introduces her to Northumberland. An outdoor cookery lesson sees the pair make soda bread.

Robson, his brother David and uncle Matheson head to the Scottish Highlands to take a pack horse camping trip. They learn to make a cup from wood and find a scenic fishing spot.

Robson takes football pundit Chris Kamara on a trip to North York Moors National Park. They take high tea on a steam train, overnight in a glamping pod and hunt for fossils.

Robson’s in the Cairngorms, joined by Gail Porter. They cycle around Loch Malachie before trying to get a glimpse of ospreys in the wild. Poetry, fresh air and landscapes abound.

Robson invites fellow Grantchester actor Rishi Nair to visit Northumberland. They head to Kielder Forest to learn about foraging, overnight in a yurt and explore the local bat population.

Robson joins Carol Smillie in the Scottish Highlands for a day of outdoor adventures. At Loch Earne, they try a traditional boat known as a coracle and then make Iron Age-style clay pots.

Robson and his uncle Matheson discover Hepple Estate in Northumberland and learn how to paint with pheasant feathers. They track wildlife before attempting circus skills.