Heir Hunters finally solve a 20-year-old case, and along the way reveal the story of a heroic pilot in the family who died in the final days of World War II.

The search for heirs to a Welsh school site reveals a surprising connection to a former president of the USA.

When a former member of the Royal College of Surgeons dies without leaving a will, the race is on to try and find his heirs. The heir hunters also look back at the case of a lady whose father was a celebrity in the world of pigeon fancying.

It is a busy day in the offices of the heir hunters as they try to track down relatives of a man whose family were involved in the textile trade. And the fascinating story of Jewish artist Jehuda Epstein, whose paintings were among thousands of artworks plundered by the Nazis in World War II. Now, though, one of Epstein's paintings is ready to be returned to his heirs.

A new heir comes to light on a case the heir hunters thought was complete, plus a remarkable story of wartime aviation is revealed. Meanwhile, the heir on another estate tries to learn more about her deceased cousin, a chess champion and radical playwright.

The team face a race against time to find living relatives of a man whose father was a magician. Plus, how the heir hunters were able to tell a family about an aunt they never knew they had.

As the team race to find heirs to a recently advertised unclaimed estate, they discover a surprise connection in Malta. Plus, the story of a Lincolnshire family who were divided by agricultural hardship and ended up living on opposite sides of the world.

The estate of a man called Smith causes real headaches for the heir hunters, but can they crack the case ahead of the competition? Plus, the moving story of a man whose troubled childhood led him to become estranged from his adoptive family.

The team take on a huge case which has them searching far and wide for rightful heirs. Plus, a family separated by wartime evacuation are reunited thanks to the work of the heir hunters.

The team are working against the clock to find heirs of a man whose family worked for London Underground during the Blitz. Plus, how investigations into one unclaimed estate revealed the story of a pioneering aviation engineer who helped design the remarkable Lysander plane.

A newly advertised unclaimed estate causes frustration for the heir hunters as they try and find living relatives ahead of the competition. Plus, the mysterious case of a lady who left her native Ireland in the 1950s and was never heard of again until she died leaving behind an estate worth £1.7 million.

The team grapple with an estate where a series of wills takes them back to the late 19th century. Plus, when a well respected vicar passes away in Surrey the search takes the team back to Middlesbrough and its remarkable steelmaking history.

The team are in for a surprise when they discover two unclaimed estates in the same family. Plus, how an heir hunt revealed a remarkable story of Antarctic exploration.

As the team struggle to solve one of their trickier cases, help comes along the way from some keen amateur genealogists. Plus, as one of the team celebrates retirement, research into the estate of a Scottish lady reveals two generations of coachmen who worked during the dawn of the motoring age.

The frantic search for heirs to a newly advertised estate reveals a family member who made lace for Queen Victoria. And two sisters go on a journey of discovery after finding out that they are heirs to a lady they had never heard of.

It's all hands on deck when the team begin working the £1.3 million estate of a retired policeman. And the story of an investigation that took the heir hunters all the way to the emerald isle.

When a much-loved lady dies without leaving a will, the heir hunters begin the search for her relative and soon discover that her husband was a World War Two meteorologist. An heir hunt that went all the way to Australia reveals the story of mass emigration, thanks to the 'ten pound pom' campaign.

The heir hunting team investigate the case of a lady who led a glamorous life, filled with international travel and adventure. And the story of an East End couple who chose to raise their disabled daughter at a time when conventional wisdom was to give them up for adoption.

When a man who had become estranged from his family dies without a will, it's up to the heir hunters to try and trace living relatives.