How Did They Build That?
Season 4 Premiere:
Cast & Crew
Upcoming TV Airings
The airings below are based on a generic national schedule. Times and dates can vary by TV provider.
Sunday, August 24
Boxes & Birds
Season 3 • Episode 10
The American Museum of Natural History gets a cave-like extension; Boston University gains a tower.
Wednesday, August 27
Supertalls & Firehouses
Season 1 • Episode 5
Alien port authority in Belgium; ultrathin skyscraper in Manhattan; hanging museum in Scotland.
Wednesday, August 27
Biomes & Rebuilds
Season 1 • Episode 3
A London railway station; giant Singapore biodomes; eye-catching hospital in Las Vegas.
Friday, August 29
Breakthroughs & Bridges
Season 2 • Episode 8
Visiting Gherkin, Evergreen Point Floating Bridge and Musée des Confluences for their origins.
Friday, August 29
Viaducts & Hotels
Season 1 • Episode 4
A towering bridge in France; upside-down hotel in China; Italy's forest into the sky.
Friday, August 29
Sky Gardens & Seismic Stations
Season 1 • Episode 7
A massive sky garden in Singapore, a tower in Brighton, and a railway station in Vesuvius.
Friday, August 29
Arctic Modules & Auditoria
Season 1 • Episode 8
A research station in Antarctica, a concert hall on the Canary Islands and a boat lift in Scotland.
Friday, August 29
Speedcore & Steambend
Season 4 • Episode 3
A look at how engineering helped a huge Seattle skyscraper go up without harming it's neighbour.
Sunday, September 7
Curved & Cables
Season 3 • Episode 9
A new performance center with a tent-like glass-and-steel lobby tests engineers in Kansas City.
Sunday, September 7
Radical & Resplendent
Season 2 • Episode 10
Exploring the design and engineering stories behind D.C.'s Museum of African American History.
Sunday, September 7
Elevated & Elegant
Season 2 • Episode 4
Traveling from Canada to Belgium and to the U.S. to examine a school, museum and railway station.
Sunday, September 7
Cantilevers & Lifts
Season 1 • Episode 1
An unstable high rise, an otherworldly museum, and a towering cliffside elevator.
Wednesday, September 10
Skywalks & Suspensions
Season 2 • Episode 5
The design and engineering secrets behind the Grand Canyon Skywalk, Audain Museum and more.
Wednesday, September 10
Steep & Stunning
Season 2 • Episode 7
The world's steepest mountain railway, a remodeled 145-year-old museum and a futuristic condo.
Wednesday, September 10
Upside Down & Under Sea
Season 2 • Episode 6
Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library.
Wednesday, September 10
Floating & Lifting
Season 3 • Episode 7
Architects and engineers build an eco-friendly convention center on Vancouver's waterfront.
Wednesday, September 10
Arches & Opera Houses
Season 1 • Episode 6
The inside stories behind a horseshoe-shaped complex in Rotterdam and a rock-shaped opera house.