BBC Two TV Guide

Anita Rani and Joe Crowley explore the River Leven in Fife, revealing how this industrial waterway shaped communities for centuries and how it is being transformed. Anita joins archaeologists on a major new excavation digging into the river's hidden past, before meeting the people helping reconnect local communities with the water for the first time in generations. At Loch Leven, Joe gets hands-on with one of the river's last working sluices to discover how its waters powered industry, and why it still plays an important role today. Meanwhile, on his farm in the Cotswolds, Adam Henson's annual spring plant surveys reveal how the landscape is changing, year by year

The naturalist and explorer ventures into more uncharted territory in pursuit of new discoveries and world firsts, beginning by heading to the Kamchatka Peninsula in the far east of Russia. He joins a team of world-class kayakers to take on the first descent of the Kronotsky River, setting out to paddle from source to sea, starting in the shadow of a still-active volcano and ending at the Pacific Ocean

Sophie Raworth and Adam Frost take a first look at the event, with Rachel de Thame and JJ Chalmers joining to explore the latest garden design ideas across the showground and the impressive variety of floral exhibits in the Great Pavilion. Plus, there's the reveal of the RHS and the King's Foundation Curious Garden designed by Frances Tophill, and championed by King Charles, David Beckham and Alan Titchmarsh. Gardeners' World presenter Arit Anderson unveils her first ever judged garden at Chelsea in aid of Parkinson's UK

The second leg of Simon's journey takes him from the fjords of Norway across the North Atlantic to Iceland, known as the land of fire and ice. It's a world of extremes and contradictions, from a country that's been described as the Kuwait of Europe to an island that lives under the constant threat of earthquakes and volcanic eruptions

Jools returns to Alexandra Palace Theatre in north London for the 68th run of the show. Former One Direction member Niall Horan performs a couple of songs, including the title track from his forthcoming album Dinner Party, while veteran pop band Squeeze also play and chat to Jools at the piano about how their new record Trixies came about. Also appearing are dance-pop duo Tomora, who are Norwegian singer-songwriter Aurora and Tom Rowlands of the Chemical Brothers, as well as American poet and activist Aja Monet and Bristol rock and pop duo Getdown Services