Sarah Millican (S10E08)

Comedian Sarah Millican is surprised to learn that her three-times great-grandfather was among the earliest divers in history. She also traces her four-times great-grandfather, John Malcolm, to Canada, where he was employed by the Hudson's Bay Company. John was dispatched to a distant outpost connected to the fur trade. As Sarah explores his journey, she uncovers a startling revelation that leaves her astonished.