These three episodes dive deep into the world of lost masterpieces hidden away in Britain's public collections.

Oscar-Claude Monet was a French painter and founder of impressionist painting who is seen as a key precursor to modernism, especially in his attempts to paint nature as he perceived it.

Fiona Bruce and Philip Mould investigate the origins of two paintings by unknown artists dating back to the 18th and 19th centuries, which unusually for the period, depict black subjects. One is a portrait of Dido Belle, a famous former slave adopted into...