Helen Skelton goes behind the scenes of McCain, the world's largest chip company and meets the voice of their advertising campaigns, Ricky Tomlinson. She also discovers the new products McCain is developing to appeal to the next generation, visits a farm that supplies McCain to find out how they are coping with the increasingly unpredictable weather, and gets access to a top-secret lab where the brand is testing new varieties of potatoes.

Helen Skelton goes behind the scenes of Wall's, the UK's biggest ice cream brand, and meets the team developing a new lolly for the company's 100th birthday. Helen also discovers the sensory relationship people have with ice cream and meets some of the ice cream van sellers who are keeping this British tradition alive.