Season 4: Extreme Railroads (2018)

Deadliest Trains
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May 17, 2018 • 42m

The world's toughest trains have conquered deadly jungles, deserts, and mountains, and were made possible by expert engineering an...Read more

World's Fastest Trains
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May 24, 2018 • 42m

The world's fastest trains were built with expert engineering and cutting-edge technology, pushing the speed of railroad travel to new limits.

Mega City Trains
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May 31, 2018 • 42m

The world's busiest cities are kept running by innovative train systems built with expert engineering and cutting-edge technology.

Trains of the Abyss
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June 7, 2018 • 42m

The world's most incredible trains cross deadly canyons and chasms of terrifying heights, and were made possible by expert enginee...Read more

Monster Mountain Trains
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June 14, 2018 • 42m

The world's toughest trains have conquered the deadly heights of our tallest mountains, and were made possible by cutting-edge rai...Read more

Trains of Deadly Seas
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June 21, 2018 • 42m

The world's most incredible trains have conquered dangerous oceans and seas, and were made possible by expert engineering and cutting-edge technology.