Britain's Lost Masterpieces

Art experts Jacky Klein and Dr Bendor Grosvenor visit our most diverse and fascinating museums as they track down previously unknown paintings by some of the worlds great artists. Haddo House is one of Britains most northerly stately homes. Tucked away in the wilds of Aberdeenshire, it has been home to prime ministers and earls - but is it also home to some of Scotlands greatest lost paintings? Nearby, in the storerooms of the Montrose Museum lies a mystery painting with a giant hole in it.

Pollok House is a country house right in the middle of a Glasgow city park, bordered on one side by the M77 and on the other side by the south side of Glasgow. It is owned by Glasgow City Council and looked after by the National Trust for Scotland.

Carmarthenshire County Museum is a slice of history in itself. The building that houses it has been in continuous use since the 13th century. Once a bishops palace, it was where the Bible was first translated into Welsh.

A potential portrait by Pompeo Batoni is investigated.

Potential portraits by Francesco Trevisani and Joos van Cleve are investigated.

Technical difficulties frustrate Bendor’s attempt to uncover who painted an unfinished portrait in a Glasgow museum. Emma reveals the true identity of the sitter after 300 years.