BBC Four TV Guide — Monday, 29 June 2026

Documentary telling the story of the first mammal to be cloned, looking at the impact this monumental scientific achievement in 1996 had on the world. The film reveals how a handful of the world's best genetic scientists worked in secret on a small Scottish farm to crack the holy grail of replicating life

In the second of two This World documentaries examining the stories behind the nation's favourite beverages, adventurer and broadcaster Simon Reeve looks at the production of coffee. He heads to Vietnam, which is the UK's biggest supplier, and travels to the remote central highlands where he meets some of the millions who grow, pick and pack the beans for instant coffee brands. The boom in the industry has made some people very rich, but Simon learns that the rapid success has come at a cost to both the locals and the environment

Architectural historian Jon Cannon explores how cathedrals were constructed, looking at fan vaulting at Gloucester, stained glass at York, and the Octagon at Ely for examples of medieval ingenuity, showing how they were built to realise a vision of Heaven on Earth