Wartime thriller set aboard a ship bound for Canada from Britain, in which an undercover agent is approached by a Nazi spy scheming to sabotage a British convoy in Nova Scotia.
Jeremy Clarkson, James May and Richard Hammond face an arduous challenge as they attempt to race from northern Canada to the North Pole, a 450-mile journey.
By Zhaoyin Feng & Gordon Corera & Jessica Murphy
Coast embarks on its first adventure to North America, exploring British connections far offshore and surprising stories in the waters just off Britain's shoreline.
Stephen Sackur speaks to RoseAnne Archibald. The truth about the deaths of thousands of indigenous children in schools infamous for abuse and neglect has shocked the world.
Ros Atkins explains how climate change is linked to the heatwaves in the US and Canada.