Season 5

Stars Kelsey Grammer, Cynthia Nixon, Jesse Tyler Ferguson, Valerie Bertinelli and Rachel McAdams delve into their family histories.

Season 5

Episode 1 - Cynthia Nixon: The third Sex and The City star to research her family tree, Cynthia Nixon explores the history of her father's side of the family, which reveals an ancestral mystery of deceit and murder.

Episode 2 - Jesse Tyler Ferguson: The actor ventures from New Mexico all the way to Alaska and is shocked to learn of his great-grandfather's hustling ways during the Gilded Age, especially when he assumes his family never did anything noteworthy.

Episode 3 - Rachel McAdams Accompanied by her sister, actress Rachel McAdams head to Devon and discover they have an English ancestor who came from a privileged background, and learn the reasons for their Canadian roots.

Episode 4 - Valerie Bertinelli The actress, who has always identified with her Italian heritage, meets a long-lost relative and discovers the truth behind her family's forgotten English roots and that she is descended from royalty that goes back several centuries.

Episode 5 - Kelsey Grammer The Frasier star explores his grandmother's family on the west coast of America, and learns of one ancestor's tortured past in addition to discovering a connection to one of American history's most notable migrations - the Oregon Trail.