TV Guide Channel 5 Wednesday

The comedian sets out to discover the Channel Islands, which are just a few miles from the French coast. She arrives in Jersey at peak Jersey Royal potato season, and encounters iconic doe-eyed local cows. Susan also meets a sixth-generation farmer, and learns about the traditional art of potato harvesting on the slopes of Rozel Bay

Cameras follow the construction of a new roundhouse at Cannon Hall Farm, where hundreds of lambs are due to be born. Helen Skelton joins Rob and Dave Nicholson for a tense and emotional delivery that doesn't go to plan. Jules Hudson heads to the cattle sheds to help Rob and Dave to fit a new grooming brush designed to improve herd welfare

JJ Chalmers heads to the unforgiving terrain of Dartmoor to push himself to the limit to find out whether he still has what it takes to match the standards of a Royal Marine. Kate Humble is granted behind-the-scenes access aboard HMS Iron Duke - a frontline British warship with 200 crew on a mission to safeguard the nation's shores

Dan Snow ends his adventure in the city of Cairo, where he explores centuries-old markets and finds the country's oldest cafe. Here, he tries coffee heated using an old desert tradition - hot sand. Dan makes his way out onto the Nile river and discovers how the citizens of modern Cairo still row on the river, just as their ancient Egyptian ancestors did 5,000 years ago

Documentary following the work of senior coroner for Lancashire and Darwen Dr James Adeley, who runs a team that works from the moment a body arrives in the mortuary through to the inquest, when the cause of death is determined. In the early hours of the morning, two elderly men are found semi-conscious with head injuries in the middle of a darkened stretch of road in Leyland, Lancashire. Police escalate their transfer to Preston Royal Hospital, but one of the men's conditions worsens and he dies. The surviving man has no memory of events, so it is up to the coroner to establish what happened that night, and determine the cause of death