Matt finds out just how clean our supermarkets really are as an undercover team are sent in to test for levels of bacteria in ten different London stores. Chris and Gaby attempt to find out what is really in ice cream.
Matt finds out about the impact of the horse meat scandal and asks where the next big food scandal could come from next. Chris and Gaby put yoghurt drinks with added bacteria under the microscope.
Chris explores how bacon is mass-produced and Gaby takes a look at the posher cuts of meat. Matt explores how slave labour has brought food to the table and meets the immigrant workers who have made it possible. In Oxford, a hairdressers is illegally selling food and drink outside of its premises, whilst in Newcastle, a broken boiler has meant staff can't wash their hands properly.
Chris looks at chicken nuggets and what's in the takeaway and shop bought versions. Whilst Gaby makes her own version. In Oxford a Chinese restaurant is storing seaweed in boxes that use to contain chicken. In Coventry, Nicki closes a takeaway down when she discovers a cockroach infestation. Chris looks at how some bad curry leaves led to a outbreak of food poisoning at a festival.