The team looks back at snack-based stories from past episodes. Jimmy Doherty investigates unusual shaped crisps, Matt Tebbutt discovers the dangers of double-dipping tortilla chips, Helen Lawal reports on whether rice cakes are as good a diet snack as commonly believed, and Kate Quilton delves into the world of macadamia nuts in Hawaii, and uncovers the reasons for rising numbers of children with peanut allergies.

Compilation of reports on store cupboard staples, including Kate Quilton taking a look at the secrets behind peanut butter's long shelf life, solving the mysteries of Marmite's famously divisive flavour, and discovering if it is safe to feed cats dog food and vice versa. Jimmy Doherty travels to Sri Lanka to discover why lentils are sold split rather than whole, and Matt Tebbutt witnesses anchovy fishing off the coast of Italy.