Matt Baker - TV royalty, now knee-deep in mud - turns up straight off the train from Durham and gets sniffed out and confesses to the Great Nuremberg Pork Allergy Incident. We're joined by underwater archaeologist Dr Peter Campbell for this week's themed deep-dive, Sunken Cities, and Matt is put through a bruising round of What Is the Velcro Singing?

The show’s own verdict is on its page.