BBC Four Tuesday

Liz McIvor examines the Manchester Ship Canal. Hailed as the greatest engineering feat of the Victorian age, it was built by navvies widely regarded as troublesome outsiders

In Coniston, the explorer enters a retro cycling event on a penny farthing, joins the mountain bikers of Grizedale Forest and enjoys a spot of rock climbing at Dow Crag

Audrey's old school friend wishes to visit, but is unaware of her former classmate's unfortunate circumstances. First shown in 1980

Hyacinth press-gangs Richard into helping repair the lights at the church hall

Anne Boleyn returns to England from France having grown into a real beauty and she dazzles the Tudor Court while her family plays the long game to catch a king

Professor Jim Al-Khalili attempts to discover how the universe will end, and encounters a mysterious and enigmatic force that promises to change physics for ever

The Mayuyamas travel to London to examine a priceless 18th-century Imperial Chinese flower vase, which they hope will help them restore a similar piece

Victoria Coren Mitchell narrates the story of how Britain's phone network was built, from early call boxes to the Post Office Tower, and its impact on the public

Liz McIvor examines the Manchester Ship Canal. Hailed as the greatest engineering feat of the Victorian age, it was built by navvies widely regarded as troublesome outsiders

Anne Boleyn returns to England from France having grown into a real beauty and she dazzles the Tudor Court while her family plays the long game to catch a king

In Coniston, the explorer enters a retro cycling event on a penny farthing, joins the mountain bikers of Grizedale Forest and enjoys a spot of rock climbing at Dow Crag

Part two of two. Helen Czerski explores the extraordinary messages carried by sound waves, and how they can help humans gain a better understanding of the world around them