Jay Ellis
Self - Host
Series SeasonSeason 4 episodes2025
How Did They Build That?
Season 4
No season overview available.
Episodes
Each episode has its own detail page.
Episode 145 min2025-07-27
Space Stations & Super Inventions
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.
Episode 245 min2025-08-03
Medals & Marinas
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.
Episode 345 min2025-08-10
Speedcore & Steambend
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.
Episode 445 min2025-08-17
High Waters & Harsh Winds
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.
Episode 545 min2025-08-24
Ecobuilds & Earthquakes
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.
Episode 645 min2025-09-07
Shipyards & Slender Builds
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.
Episode 745 min2025-09-14
Summit & Submerge
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.
Episode 845 min2025-09-21
Facelifts & Scaffolds
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.
Episode 945 min2025-09-28
Super Stadiums & Extraordinary Elevators
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.
Episode 1045 min2025-10-05
Floating Parks & Upcycled Towers
San Francisco's MOMA dramatically triples in size. A skyscraper transforms by smart demolition. And 5 acres of parkland floats above Dallas traffic.
Season Media
Posters and videos for this season.