From the wettest place in Europe, Donal Macintyre follows the route taken by rain water on its way to fuel the Indian monsoon.
How the pop star's bank balance increased in size as he rose from boy band to big band.
Mexico City provides some seriously stylish design inspired by the country's Aztec past. Plus, the modern buildings that don't look like buildings.
Could the apparently respectable chat show host really have had countless affairs with women in the entertainment industry and fathered a number of illegitimate children?
Carl is ecstatic when Emma reveals she's pregnant - but who's the father? Last in the series.
