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Season 4 – How Did They Build That?

Play trailer Poster for Season 4 – How Did They Build That? Jul 2025 Special Interest Play Trailer Watchlist
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Exploring the engineering and architectural masterpieces like The Copper in Manhattan to Gardens By the Bay in Singapore.

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How Did They Build That? — Season 4

How Did They Build That? — Season 4

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Cast & Crew

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Scott Rummel

Host

Episodes

Episode 1 Aired Jul 27, 2025 Space Stations and Super Learn how astronauts constructed the International Space Station while circling the Earth at 17,500 miles per hour; look at the meteorproof ship's power source and unique water-recycling technology; discover why it almost wasn't built at all. Details Episode 2 Aired Aug 3, 2025 Medals & Marinas Paying tribute to the brave, gravity-defying design of the U.S. National Medal of Honor Museum; traveling to Singapore for a look at a leaning tower of gambling, then exploring a New York City office building that lets the sun shine through. Details Episode 3 Aired Aug 10, 2025 Speedcore & Steambend Peek inside a cloud-inspired library in Canada that's built over a live railway; see how clever engineering helped a huge Seattle skyscraper go up without harming its iconic neighbour, then cross an Australian bridge that floats above a busy river. Details Episode 4 Aired Aug 17, 2025 High Waters & Harsh Winds Defy gravity in an Amsterdam high-rise that hangs 164 feet above the water; marvel at three interconnected towers in Chicago that have a road running through them; examine the revolutionary framework of Paris' controversial Pompidou Centre. Details Episode 5 Aired Aug 24, 2025 Ecobuilds & Earthquakes Witness amazing buildings, bridges, lifts, and other structures that pushed structural concrete engineering to the edge. Details Episode 6 Aired Sep 7, 2025 Shipyards & Slender Builds A 284ft wooden skyscraper built from 1,200 bespoke pieces tests fire safety limits in Milwaukee; a decaying Amsterdam crane track transforms into glass offices; a needle-thin tower stacks 28 apartments onto a 21ft-wide plot in Melbourne, Australia. Details Episode 7 Aired Sep 14, 2025 Summit & Submerge Building an eco-friendly visitor center in the permafrost on Colorado's Pikes Peak tests the team. A museum is constructed in a disused dry dock that's in danger of collapse. Details Episode 8 Aired Sep 21, 2025 Facelifts & Scaffolds A museum building bends 1,100-glass tubes to form a facade and tunnels below the water table; a vast 11-storey glass atrium HQ is built on the former Berlin Wall site to represent unity. Details Episode 9 Aired Sep 28, 2025 Super Stadiums & Extraordinary Elevators Examine the sightlines in Los Angeles's SoFi Stadium, which sits right in the flight path of LAX; celebrate the ingenuity of the inexperienced crew that built a monumental skyscraper in Malta; visit a forest tower designed for testing elevators. Details Episode 10 Aired Oct 5, 2025 Floating Parks & Upcycled Towers On inadequate foundations, San Francisco's MOMA triples in size creating an exterior light enough to prevent collapse; a 1970s Sydney skyscraper is recycled into a 21st century tower; in Dallas, a five acre park is created. Details

Season Info

Network
Smithsonian Channel
Rating
TV-PG
Genre
Special Interest
Original Language
English
Release Date
Jul 27, 2025