With tips on getting the best bang for your buck, Colin Murray and Edith Bowman reveal secrets of farmers and food producers as they explore Northern Ireland's best food festivals.

Colin and Edith explore St George's Market in Belfast and meet a social media sensation who reveals the secrets of healthy and inexpensive one-pot meals. Ryan Hand discovers why some snacks in our shops seem to be shrinking, and chef Suzie Lee finds out whether there's such a thing as a healthy bacon sandwich.

Colin Murray discovers a brown sauce revival and the advantages of getting fish from a fishmonger as he visits Londonderry's Walled City Market. He goes in search of the perfect Irish stew and finds out which tasty street food was brought here by a well-travelled entrepreneur. Ryan Hand gets to grips with Japanese food and chef Suzie Lee reveals how Greek-style yoghurt is being made in County Down.