Helen Castor is joined by Dr Sam Willis to discuss food shortages in the First World War, Silk Roads, the history of the duffle coat and Franklin's infamous last voyage.

Food blogger Jack Monroe heads for the National Archives to learn how the submarine war in 1917 presented a serious threat to food supplies. She discovers that the rationing put in place then was successfully used again in World War Two.

Tom Holland meets the author of the best-seller Silk Roads, Peter Frankopan, to ask whether China is trying to emulate a centuries old history of trade and influence through its Belt and Road policy.

Fashion historian Amber Butchart marks the passing of author Michael Bond to explain the history of Paddington Bear's iconic duffle coat.

And Sam Willis previews Death in the Ice, a new exhibition on Franklin's ill-fated journey to find the North West passage.

Producer: Nick Patrick