Who Do You Think You Are?

Entertainer Bruce Forsyth travels to America to investigate claims that his great-grandfather was married to two women at once.

Actor Rupert Everett traces his family tree to explore the lives of his ancestors, wanting to find out in particular why his grandfather Cyril was in Nigeria.

Irish actress Dervla Kirwan traces her family tree to explore the lives of her ancestors. Her great-uncle was Michael Collins, a figure who changed Irish history.

Gardener Monty Don traces his family tree. His efforts lead him to a port near Anglesey, where he learns of a national disaster that ended in a family tragedy.

Actor Rupert Penry-Jones traces his family tree to learn about his ancestors, an investigation which takes him all the way to Allahabad in India.

Comedian Alexander Armstrong traces his family tree. He knew his family background was likely to be privileged, but he's keen to find out how posh he is.

Jason Donovan was born in Australia and catapulted to fame in the soap opera Neighbours. Beginning in Melbourne, he attempts to trace his roots.

Holby City actor Hugh Quarshie traces his family tree to explore the lives of his ancestors, a journey which takes him to Ghana and then the Netherlands.

Award-winning actor and Broadway star Alan Cumming attempts to solve the mystery relating to his maternal grandfather, a soldier who died aged just 35 in Malaysia.