第 17 季 共 6 集
播出时间：2019年9月10日
第 1 集 Homegrown Fruit and Veg, Eels, Ginger Beer
播出时间：2019年9月10日
Jimmy Doherty asks what offers better value: growing your own fruit and veg or buying from the supermarket? Plus, investigating the illegal trafficking of eels, and ginger beer.
第 2 集 Icing, Soy Beans, Hemp-based Foods
播出时间：2019年9月17日
The team investigate how supermarkets get the iced writing so perfect on birthday cakes, the popularity of the soy bean, and the growing trend for hemp-based food products.
第 3 集 Favourites: Squid and Chips, Kangaroo Meat, Pesto
播出时间：2019年9月24日
Some favourite investigations as Jimmy Doherty looks at how our national dish could become squid and chips, Kate Quilton reports on kangaroo meat, and Matt Tebbutt looks at pesto.
第 4 集 Favourites: Haagen-Dazs, Vanilla, Edam, Plastic in Seafood
播出时间：2019年10月1日
Kate and Helen explore vanilla, while in the Netherlands Matt explores the myth that Edam balls were once used as emergency cannon balls!
第 5 集 Favourites: McVitie's, Corks, Mascarpone
播出时间：2019年10月8日
Favourite investigations. Kate Quilton visits McVitie's to ask why many biscuits have little holes all over them. Jimmy Doherty finds out how corks are made for wine bottles.
第 6 集 Favourites: Lager & Ale, Crumpets
播出时间：2019年10月15日
Favourite investigations. Jimmy Doherty visits Europe's biggest brewery. Kate Quilton challenges Matt Tebbutt to make crumpets. And Matt discovers why maple syrup is so expensive.
