Christina Trevanion heads to the Peterborough Festival of Antiques at the East of England Showground. With expert help on hand from Roo Irvine and Stephanie Connell, the red and blue teams go head-to-head to see who can make the most profit at auction. Meanwhile, Christina tests her blacksmithing skills at Chain Bridge Forge, active in Spalding since the 1700s.

Charlie Ross is in Hele, near Exeter, as experts Caroline Hawley and John Cameron steer the red and blue teams towards the best items and battle it out at auction in Bristol. Charlie discovers a link between Strictly Come Dancing, the Mars landing and an 19th-century inventor.