4/4. Actor Richard Wilson portrayed one of Britain's best-loved grumpy old men. Will he adopt a sunnier disposition when he poses for tonight's three artists? And what will his mood be when he views the results?
More from Mr Harris next Sunday in Rolf on African Art. Director David Wheeler ; Series producer Robert Chandler TOURING EXHIBITION: for details visit www.bbc.co.uk/arts
Richard Wilson stars in One Foot in the Grave tomorrow at 10.35pm and Born and Bred on Wednesday at 8pm