Bill Nighy narrates a visually stunning trip along a spectacular river.

Two qualities define the Nile as the ultimate river. First, it is the world’s longest river. From the source in Rwanda to the end at the Mediterranean Sea, it travels 6650 kilometres (4130 miles). Second, the Nile is a truly cosmopolitan water. Its source lies in tropical Africa, its most important tributary – the Blue Nile – originates in the Ethiopian highlands. Its longest stage – through Sudan and Egypt – is characterised by Arab influences. Travelling through a sea of sand, this river gives life. It passes Africa’s largest city – Cairo – and ends only a few hundred kilometres away from Europe, in the Mediterranean Sea.

An expedition team made up of extreme kayakers explores wilderness rivers. Since they're the first to descend these waters, they get naming rights, thereby leaving their mark on Canadian history.

Series exploring life in, on and around three of Northern Ireland's major rivers.

Paul Whitehouse travels around England and Wales looking at the pressures affecting our rivers and waterways from water companies, intensive agriculture and growing population. Paul explores what is going on beneath the surface, why our rivers and waterways are in decline and what needs to be done to protect them.

Our Water World explores the incredible freshwater systems that help our planet thrive and, without which, life could not exist. From Earth’s icy realms, to its rushing rivers and epic waterfalls, to magical cloud forests, this is the mysterious, surprising and captivating story of our planet's extraordinary freshwater worlds.