A collection of interesting and previously unseen finds from the show's travels around the country, with visits to Margam Country Park in south Wales, Highcliffe Castle in Dorset, Sandon Hall in Staffordshire and Powderham Castle in Devon. The antiques experts include Catherine Southon, Adam Partridge, Philip Serrell, Mark Stacey, Claire Rawle and David Fletcher, with items ranging from some folk art Scandinavian nutcrackers to a Napoleonic prisoner of war handcrafted box. Presenter Paul Martin also takes a look around the stately Firle Place in East Sussex

The inside story of Nasa's mission around the Moon and back, with astronauts Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen having gones deeper into space than anyone has gone before. For the past three-and-a-half years, this Horizon special has had privileged access inside Nasa to chronicle the mission, hearing from astronauts, engineers, technicians and mission directors about what it takes to mount a moonshot in the 21st century. There are further insights from some of the biggest names in space science including Maggie Aderin and British astronaut Tim peake

King Charles visits Campbeltown's farmers market, where Andrew and Gayle hope to impress with their premium plants. Emma and Rob host a family wedding on their farm, but their pregnant cows could go into labour at any moment, while Callum and Zara hold a historic sheepdog trial attracting competitors from afar

Firearms officers from West Midlands Police receive a tip-off about a local man with an unexpected arsenal of firearms. Inside a bedroom wardrobe they find six guns, two of which they believe are 3D-printed assault weapons. The 30-year-old resident is arrested and taken into custody, but he has no criminal record and no obvious links to organised crime, leaving police teams to ask whether he is an extremist, an arms dealer or simply a gun collector, as he claims to be. Is he creating these guns to use them, and could he have used them already?

Catrin Heledd presents extended highlights of a first-round match from day two at the Crucible Theatre in Sheffield