Join Edith Bowman and Colin Murray at the Stranraer Oyster Festival, as celebrations mark the start of the native oyster season. They sail into Loch Ryan to Scotland's largest oyster bed to discover why they're so special. Chef Julie Lin discovers bargains in the World Food aisles, and gets the low down on low fat, semi-skimmed and full fat milk. Farmer Jim Smith gets stuck into some sticky sweets.

Edith Bowman and Colin Murray explore the Glasgow Foodies' Festival, where they discover the secrets to the best egg fried rice with chef Jimmy Lee, and how to spot ‘fake' vanilla. Chef Julie Lin digs deep to reveal some myths about frozen food. Farmer Jim Smith learns the art of pickling, and discovers how and why one farm is turning its oats into milk.