Episodes
- 1
1. Space Stations & Super Inventions
27 Jul 2025 · 45 min
Lives are on the line creating the International Space Station, a scientific marvel a decade in the making, that changes the way we look at the world.
- 2
2. Medals & Marinas
3 Aug 2025 · 45 min
A floating museum honors military heroes in Texas. A sky-park casino balances on six towers. And an office is carved out to protect NYC's High Line.
- 3
3. Speedcore & Steambend
10 Aug 2025 · 45 min
A railway-spanning library mimics the clouds. A speed-core skyscraper is built in record time. And a world first bridge inspired by a child's toy.
- 4
4. High Waters & Harsh Winds
17 Aug 2025 · 45 min
Apartments hanging 164 feet above the water defy gravity in Amsterdam. A trio of towers shimmer on Chicago's skyline, and museum design is revolutionized in Paris.
- 5
5. Ecobuilds & Earthquakes
24 Aug 2025 · 45 min
An airport gets a 9 acre roof without stopping flights. A museum is buried in the desert to keep it cool. And building San Fran's most hated tower.
- 6
6. Shipyards & Slender Builds
7 Sept 2025 · 45 min
A 284ft timber tower tests fire safety limits. An old crane tracks is reborn as sleek glass offices. And 28 apartments are stacked on a 21ft plot.
- 7
7. Summit & Submerge
14 Sept 2025 · 45 min
A mountain-top centre defies extreme altitude. A stunning museum is sunk into an old dock. And a 600ft tower with floating gardens rises in Singapore.
- 8
8. Facelifts & Scaffolds
21 Sept 2025 · 45 min
A museum bends 1,100 glass tubes into a bold facade. A vast atrium rises where the Berlin Wall fell, and a NJ bridge is raised 65ft for huge tankers.
- 9
9. Super Stadiums & Extraordinary Elevators
28 Sept 2025 · 45 min
A 70,000 seat stadium defies seismic forces in LA. Malta's 33 story tower twists around old vaults. And an 807ft elevator test tower spirals skywards.
- 10
10. Floating Parks & Upcycled Towers
5 Oct 2025 · 45 min
San Francisco's MOMA dramatically triples in size. A skyscraper transforms by smart demolition. And 5 acres of parkland floats above Dallas traffic.
How Did They Build That? Season 4: quick answers
How many episodes are in How Did They Build That? Season 4?
Season 4 of How Did They Build That? has 10 episodes, about 8 hours in total.
When did How Did They Build That? Season 4 come out?
Season 4 premiered on 27 Jul 2025.