5/20 One search uncovers the remarkable history of Thames bargemen.
4/20 Heir hunters are on the road in Ireland, researching the estate of a Limerick-born man.
3/20 A search tries to establish the value of one Lincolnshire railwayman's estate.
2/20 The case of an ex-mayor of Wokingham uncovers his devotion to his local community.
1/20 The case of a champion cat breeder uncovers the romance of early cinema.
20/20 The team compete against rival heir hunters to find heirs to the estate of a Hampshire man
19/20 One team faces the mammoth task of trying to trace a Jones family in Wales.
18/20 The search is on for relatives of a Korean war veteran who died in London.
17/20 The team seek relatives of an Essex lady without knowing how much her estate is worth.
16/20 A valuable £200,000 case proves a tough nut for the team to crack.