Katty Kay in Washington and Christian Fraser in London return to report on the events that are shaping the world.

Timothy and Shane encounter problems with buoys when trying to dock at Liverpool, but Piel Island near Barrow-in-Furness finds them in the company of royalty. Show more

Documentary following Jeff Turner's search for grizzly bears in Canada's Cascade Mountains as he tracks the wildlife over the course of a year. Show more

Film about 'the people's mountain', Blencathra in the Lake District. It looks at the lives of residents, children and visitors, with contributions from Ed Byrne and Stuart Maconie. Show more

Dr Helen Czerski examines the extraordinary messages sound waves carry and how they help us understand the world around us. Show more

Eamonn McCabe explores how British photographers responded to historic events in the first half of the 20th century and traces the emergence of photojournalism. Show more

Series following long-running family businesses. Fiona Toye married into a family that has been making medals and regalia, including OBEs, for generations. Show more

Lars Tharp journeys through a thousand years of Chinese history to uncover what six pieces of porcelain tell us about Chinese emperors, scholars, workers, merchants and artists. Show more

How Thomas Chippendale worked his way up from humble roots and was ruined by the very aristocrats he created such wonderful furniture for. Show more

Film about 'the people's mountain', Blencathra in the Lake District. It looks at the lives of residents, children and visitors, with contributions from Ed Byrne and Stuart Maconie. Show more