Who Do You Think You Are?

Season 12, Episode 5

Episode Title: Gareth Malone

Air Date: 2015-09-10

Overview:

Gareth Malone wants to know how far back his musical gene goes and he attempts to find out more. His investigations into his mother's side of the family take him to London's West End, where he learns that his great-great-grandfather was a star of musical comedy and performed in front of George V.