Episode 3 | New York: America’s Busiest City

1: 24 Hour Britain | Britain from Above

Andrew Marr goes on a journey through a day in the life of Britain as seen from the skies.

1: A Place to Live | Supersized Earth

Dallas Campbell climbs the world's tallest building and dives beneath Mexico City.

1: Hong Kong | World's Busiest Cities

Dan Snow, Anita Rani and Ade Adepitan reveal the hidden systems and armies of people running Hong Kong - one of the most densely popula...

1: Living in the City | Andrew Marr's Megacities

Documentary in which Andrew Marr looks at how people live in five of the world's biggest megacities: London, Dhaka, Tokyo, M...

1: Medieval London | Filthy Cities

Dan Snow gets down and dirty in medieval grime to discover how the London of today was forged in the filth of the 14th century.

1: New York | The Greatest Cities In The World

Griff starts his search for the greatest cities in the Big Apple. Some grand public - and private initiative buildings illustr...

1: Peace | Welcome to Rio

Documentary series exploring Rio's shanty-towns, the favelas. In Cantagalo, delivery man Rocky carries goods up the steep staircases overlooking Co...

2: Cities on the Edge | Andrew Marr's Megacities

Andrew Marr takes a look at safety and security, two of the biggest challenges faced by each and every metropolis, visiting ...

2: London | The Greatest Cities In The World

In his own capital, Britton Griff starts contemplating how London continuously grew from a new Roman town to Europe's single-mos...

2: Mexico City | World's Busiest Cities

In Mexico City, Dan Snow, Anita Rani and Ade Adepitan uncover the hidden systems and armies of people that help run this sprawling me...

2: Revolutionary Paris | Filthy Cities

Dan Snow sniffs out the French revolution to explore how Paris was once buried in an inescapable stench.

2: The City | Britain from Above

Comparing exhaustive footage of London in the 40s with the city of today.

2: The Way We Move | Supersized Earth

Dallas Campbell explores how we can travel further and faster than ever.

2: War | Welcome to Rio

A look at Rio's drug-trafficking favelas, being 'pacified' by the government's special forces ahead of the World Cup in increasingly violent incursions.

3: Industrial New York | Filthy Cities

Dan Snow looks at 19th century New York when migrants arrived in a city consumed by squalor, stench and soot.

3: Ingenuity | Welcome to Rio

This episode looks at the resourcefulness of some of Rio's poorest residents, revealing how favela residents exploit their opportunities.

3: Moscow | World's Busiest Cities

Dan Snow, Anita Rani and Ade Adepitan reveal the hidden systems and armies of people that help run Moscow, a city forged by power and poli...

3: Paris | The Greatest Cities In The World

Griff is in the French capital, object of great chauvinistic pride and vanity. Although resulting in a mind-boggling traffic mayh...

3: Sustaining the City | Andrew Marr's Megacities

Andrew Marr looks at transport routes and finds out how the world's megacities stay fed, and he joins Mexico City's traffic...

4: Delhi | World's Busiest Cities

Dan Snow, Anita Rani and Ade Adepitan visit Delhi. Anita discovers how this growing city feeds itself. Ade gets a taste of life as a porter...