
‘Who Do You Think You Are?’ trailer: Mark Gatiss investigates his family tree
Sherlock writer/actor Mark Gatiss is amongst the line-up for the new season of Who Do You Think You Are? this summer. The genealogy show returns to BBC One at 9pm on Thursday 13 August, with the first episode featuring Great British Bake off presenter Paul Hollywood. The 12th season of Who Do You Think You … >