This time, father and son duo Martin and Roman Kemp delve into their family history which spans North London and the North East. As Roman's journey takes him to the British Museum, Martin comes face to face with a past that was never spoken about as he hears tales of female heroism. Later, the pair are shocked to find ancestors leading parallel lives with their own.

TV personalities Amanda Holden and Alan Carr enthusiastically embrace delving into their family history on a road trip that covers Cornwall, London and Erith. Using both DNA and genealogy, they are able to unlock the secrets of the past and meet close family they never knew existed.

In true Upstairs, Downstairs fashion, Amanda's journey starts in the grounds of a stately home in Cornwall, while Alan's journey takes him to a pub in Erith with something of a colourful past.

Both celebrities are shocked and emotional to find ancestors with lives spookily entwined with their own modern-day histories and passions. It's almost like it's written in their DNA.

In episode 1, sporting legends Freddie Flintoff and Jamie Redknapp face a different kind of challenge than they're used to - embarking on a road trip that takes them North and South to discover each other's family histories using DNA and genealogy....meeting family they never knew existed.