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Show Synopsis

With limited space and millions of people to please, keeping the world’s biggest cities running smoothly is hard work. From Hong Kong’s bustling trade hubs to Delhi’s packed streets, find out what it takes to keep crowded, complicated and chaotic megacities moving.

Discover the secret systems that keep the world’s most crowded, complicated and chaotic cities moving.

Discover the secret systems that keep the world’s most crowded, complicated and chaotic cities moving.

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About the show

Whether they’re hosting horse races in the heart of the city or battling to prevent crime and poverty, the people running our most iconic metropolises face difficult logistical and social challenges.

Discover how Mexico City keeps its 21 million inhabitants safe from earthquakes and volcanoes, and see how Delhi is coping with a rapidly growing population stretching its resources to the limit.

Presenters meet local people who offer an inside look at each city, from high-density housing in Hong Kong to the mega markets of Delhi. Discover the daily miracles and biggest problems in places where the benefits of employment and entertainment contrast with issues like pollution and inequality.

Meanwhile, Moscow’s incredible architecture and Hong Kong’s remnants of the British Empire show that the world’s busiest cities also have some of the richest histories.

Next On

Episode 2, Series 1

Tuesday April 23 at 8:30pm

Mexico City

Episode 2 | Series 1

This sprawling megalopolis of over 22 million people sits in a major earthquake zone and has grown at a staggering pace. How on earth does this congested, haphazard and epic city survive…

Episode 2, Series 1

Wednesday April 24 at 1:30am

Mexico City

Episode 2 | Series 1

This sprawling megalopolis of over 22 million people sits in a major earthquake zone and has grown at a staggering pace. How on earth does this congested, haphazard and epic city survive…

Episode 2, Series 1

Saturday April 27 at 7:30pm

Mexico City

Episode 2 | Series 1

This sprawling megalopolis of over 22 million people sits in a major earthquake zone and has grown at a staggering pace. How on earth does this congested, haphazard and epic city survive…

Episode 2, Series 1

Sunday April 28 at 5:05am

Mexico City

Episode 2 | Series 1

This sprawling megalopolis of over 22 million people sits in a major earthquake zone and has grown at a staggering pace. How on earth does this congested, haphazard and epic city survive…

Episode 3, Series 1

Tuesday April 30 at 8:30pm

Moscow

Episode 3 | Series 1

The capital of Russia is the biggest and busiest city in Europe with the most efficient metro system in the world. How does this city of nearly 13 million people reconcile a communist…

Episode 3, Series 1

Wednesday May 1 at 1:25am

Moscow

Episode 3 | Series 1

The capital of Russia is the biggest and busiest city in Europe with the most efficient metro system in the world. How does this city of nearly 13 million people reconcile a communist…

Episode 1, Series 1

Saturday May 4 at 11:45am

Hong Kong

Episode 1 | Series 1

Reveals the hidden systems and armies of people running a city that is one of the most densely populated places on earth. How does this city of contrasts manage the delicate daily…

Episode 2, Series 1

Saturday May 4 at 12:50pm

Mexico City

Episode 2 | Series 1

This sprawling megalopolis of over 22 million people sits in a major earthquake zone and has grown at a staggering pace. How on earth does this congested, haphazard and epic city survive…

Episode 3, Series 1

Saturday May 4 at 7:25pm

Moscow

Episode 3 | Series 1

The capital of Russia is the biggest and busiest city in Europe with the most efficient metro system in the world. How does this city of nearly 13 million people reconcile a communist…

Episode 4, Series 1

Tuesday May 7 at 8:25pm

Delhi

Episode 4 | Series 1

The capital of India has a population of 26 million and rising. It has grown from its origins as the heart of Mughal Empire, through jewel in the crown of the British Raj to capital…

Episode 4, Series 1

Wednesday May 8 at 1:35am

Delhi

Episode 4 | Series 1

The capital of India has a population of 26 million and rising. It has grown from its origins as the heart of Mughal Empire, through jewel in the crown of the British Raj to capital…

Episode 3, Series 1

Saturday May 11 at 11:50am

Moscow

Episode 3 | Series 1

The capital of Russia is the biggest and busiest city in Europe with the most efficient metro system in the world. How does this city of nearly 13 million people reconcile a communist…

Episode 4, Series 1

Saturday May 11 at 12:55pm

Delhi

Episode 4 | Series 1

The capital of India has a population of 26 million and rising. It has grown from its origins as the heart of Mughal Empire, through jewel in the crown of the British Raj to capital…

Episode 4, Series 1

Saturday May 11 at 7:25pm

Delhi

Episode 4 | Series 1

The capital of India has a population of 26 million and rising. It has grown from its origins as the heart of Mughal Empire, through jewel in the crown of the British Raj to capital…

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