Jimmy wants to know where the flavour in his Earl Grey tea comes from. The ingredients mention bergamot, but what exactly is it? Jimmy visits southern Italy to find out. Back on home turf, Jimmy meets a man whose latest invention caused uproar on social media: instant tea, with no bag required. But how does squirty tea from an aerosol can match up against good old-fashioned tea from a bag? Why aren't pork scratchings made from British pigs? To find out, Matt sets out on a remarkable journey that takes him from a pork scratching factory in Lancashire to a hospital operating theatre, where pig skin is being used for cutting-edge orthopaedic surgery. And Kate visits the world's largest producer of jelly beans, in California.