Avsnitt 4

CHURCHILL AND ROOSEVELT exchanged 2,000 letters during the Second World War. Collected for the first time, they reveal the tensions behind the friendship and Britain's collapse as a great superpower. A BLACK AND TERRIBLE TROOP was the name given to a gang of burglars and forgers who terrorised Westmorland 300 years ago . Timewatch traces their rise and fall through the private papers of the Justice who ran them to earth. RING A RING O' ROSES is the nursery rhyme everyone knows has its roots in the Great Plague. But does it? Iona Opie investigates its origins.