At the Hay Festival, Ellie Harrison goes on a wildlife safari and Sean is on a literary adventure with a group drawing inspiration from the Wye Valley countryside.

On the Llyn Peninsula, Ellie goes snorkelling to explore the rich seagrass habitat underwater. Steve meets the dairy farmers who produce and deliver their own milk.

Sean Fletcher, Margherita Taylor and Steve Brown are in Northern Ireland. John Craven launches the Countryfile Photographic Competition with Cerys Matthews.

Matt and Margherita are in north Wales where Matt discovers how miniature technology could tell us more about the habits of one of our best-loved insects.

Matt Baker visits the beautiful Hardcastle Crags near Hebden Bridge, and John Craven launches this year's photographic competition.

Matt Baker explores the stretch of the Grand Union Canal that runs close to his home in the Chilterns. He meets those who live and work on the water and gets to grips with an engineering marvel that keeps the system flowing. Tom Heap investigates how farmers are adjusting to climate change, and with the help of Cerys Matthews and Simon King, John Craven launches this year’s Countryfile photo competition.

Anita Rani goes back to her Yorkshire roots, exploring the lesser-known River Burn in the glorious Swinton Park estate. She discovers why we’ve fallen in love with fishing since lockdown and how the humble willow is the perfect weapon against river bank erosion.

Meanwhile, there are competitions all round as Adam Henson meets this year’s One Man and His Dog competitors from Northern Ireland and Wales with their amazing sheepdogs, and John Craven joins Cerys Matthews and Simon King for the photographic competition as they all battle to get their favourites from the thousands of entries into the final twelve for the Childen in Need 2021 Countryfile.

Ellie Harrison has a love for the natural world and all creatures great and small. She is in Bristol to meet wildlife photographer and friend of Countryfile, Simon King, to get a crash course in how to photograph wildlife. His top tip is, if you’re experimenting with nature photography, don’t make your life too hard by picking nervous subjects. So they attempt to capture on camera birds in flight over the magnificent Avon Gorge, inquisitive city squirrels and a herd of deer who live semi-wild in the nearby Ashton Court estate. Ellie has also combed the Countryfile archive for some of her wildlife highlights plus a few extra treats.