This episode's celebrities are two of the nation's best-loved scientists - Dr Maggie Aderin-Pocock and Miranda Krestovnikoff. They are assisted by experts Phil Serrell and James Braxton as they shop forantiques around south Wales and south west England before heading to auction in Clevedon, north Somerset.

Two stars of British comedy drama take to the road. The Young Ones' Nigel Planer challenges Sally Phillips of Miranda and Smack the Pony fame to an antiques duel. They shop around Oxfordshire, Somerset and Gloucestershire, before heading for a London auction.