The Roadshow returns to Pitzhanger Manor and Gallery in west London, where finds include a unique engagement ring, a note written by Oscar Wilde and an Olympic medal from the 1930s. Ronnie Archer-Morgan finds beautiful jewellery made by the Navajo people from the arid south west of the United States, while Fuchsia Voremberg hears the story of one man's life-changing journey to the icy wastes of Antarctica. Frances Christie sees the true value of a captivating portrait bought in a bric-a-brac shop, while Alexandra Gill hears how renowned Malaysian artist Ibrahim Hussein gifted works to his London landlady. Robert Tilney comes across a rare civilian war medal and discovers the extraordinary tale of bravery behind it. Fiona Bruce views pieces from the country's largest collection of Martinware and learns more about the pioneering potters who made it, and she joins Roadshow stalwart Geoffrey Munn to explore his life in antiques.