Barney Harwood and Gemma Hunt introduce a host of wonderful and wacky wildlife. They discover that groups of animals come in a variety of shapes and sizes. Show more

Alex Polizzi fixes the issues that kill so many companies. She meets a family of sausage producers whose survival relies on the supermarkets that sell their goods. Show more

Alex Polizzi takes on the challenge of finding head chefs. Here, she tackles Potli, an Indian restaurant in London. The first test includes identifying fish and choosing starters. Show more

Alex Polizzi searches for head chefs. She continues with Potli, an Indian restaurant in London. The next three candidates must identify the correct three nuts to make korma. Show more

Alex Polizzi searches for head chefs. She continues with Potli, an Indian restaurant in London. The last three candidates must produce an authentic tandoori chicken. Show more

Alex Polizzi searches for head chefs. It's the final at Potli, an Indian restaurant in London. The chefs must produce an authentic three-course menu to be tested by loyal regulars. Show more

Chris Packham and Michaela Strachan are live with the latest from the nest cameras, as well as a check-in to see how our peregrine falcon is faring up on Salisbury cathedral. Show more

All the latest action from the National Trust's Sherborne Estate. Martin Hughes-Games and Iolo Williams are in north Wales to try to track down the elusive sand lizard. Show more

Chris Packham and Michaela Strachan are live in the Gloucestershire countryside. Gillian Burke and Michaela Strachan are live from a special and remote part of the British Isles. Show more

Chris and Michaela present the final instalment of the wildlife dramas at Wild Ken Hill, while Gillian looks at the importance of wetlands and Megan sheds light on marine bioluminescence. Show more

Alex Polizzi looks for a head chef for the Gilpin, a fine-dining hotel in the Lake District. Show more

Alex Polizzi takes on the difficult challenge of finding head chefs. Alex grills three candidates for the Miners Arms, a gastropub in the Forest of Dean. Show more

Alex Polizzi takes on the difficult challenge of finding head chefs. It's David v Goliath as 21-year-old Joshua is pitted against 48-year-old events chef Leslie. Show more

Alex Polizzi takes on the difficult challenge of finding head chefs. The remaining chefs are challenged to produce a three-course menu using local ingredients. Show more

Alex Polizzi takes on the difficult challenge of finding head chefs. The final three candidates are faced with wild boar for their skills test. Show more

Alex Polizzi takes on the difficult challenge of finding head chefs. The next three candidates are put through the gruelling hands-on interview process. Show more

Alex Polizzi takes on the difficult challenge of finding head chefs. There's only one place left in the final, and the pressure is on for the final three candidates. Show more

Alex Polizzi takes on the difficult challenge of finding head chefs. It's the final. Alex and the owners select one candidate to become the new executive head chef. Show more

Alex Polizzi fixes the issues that kill so many companies. Can she help a small high-street pet shop compete with the out-of-town superstores? Show more

Alex Polizzi takes on the difficult challenge of finding head chefs. The first three candidates are tested in their ability to get to grips with tricky seafood. Show more