Presented by Sandi Toksvig and featuring antiques expert Eric Knowles.

Three more contestants put their skill and knowledge to the test over three tough challenges at Towneley Hall in Burnley, Lancashire - John Denham, from Hertfordshire, whose passion is stoneware; Heather Ray, from Lancashire, who specialises in costume jewellery, and Stephen Micallef-Grogan, from East Sussex, who loves the purity of Lalique glass. Who will take that all-important place in the semi-finals and move one step closer to becoming Antiques Master 2011? Show less