In this first episode, he meets a lorry driver on medication to control his blood pressure and cholesterol and his wife Rebecca, who works in the NHS and can't shake, or explain, her constant fatigue. Michael goes undercover at the checkout, to discover what they're buying, before overhauling the couple's diet.

Michael goes undercover as a takeaway delivery man to help a couple from Milton Keynes who would love to lose weight and find the reason for their low moods, anxiety and bad skin. He also investigates the health benefits of beetroot, takes a look at the UK's most popular breakfasts, and puts viral TikToks under the microscope, including the carrot tan and batch salads.