S1 E1 • Episode 1

Justin crawls under 500 tons of steel to keep the iconic Glasgow Tower turning, and later cruises down Venice’s Grand Canal to find out how a dastardly bridge has been breaking more than just Italian hearts. Meanwhile, Naotomo Umewaka helps engineers in Osaka keep their airport from sinking into the sea, and Daniel Lefevre finds out what’s going to happen to the roaring São Paulo highway that’s been built just centimeters from people's bedrooms.

Première diffusion : 21 août 2015

S1 E2 • Episode 2

Justin climbs to the top of a New York stadium roof held up by air... and is therefore in danger of collapsing. He then heads to Leeds to learn about the infamous Bridgewater Place office block - a blunder that will literally blow you away. Meanwhile, Miguel Soffia finds out whether bumbling builders in Chile really did build the country’s first drawbridge upside down, and Jimena Gascón discovers why Mexico City’s metro project has been derailed.

Première diffusion : 28 août 2015

S1 E3 • Episode 3

Justin uncovers the truth behind a catastrophic landslide that wiped out a Turkish ski jump resort, before jetting off to Gibraltar to see one of the craziest airports in the world – where the runway has been built right across a main road. In Mexico City, reporter Jimena Gascón joins a diving team with the unenviable job of unblocking the city’s sewers. She then journeys deep underground to see how they’re building the world’s biggest sewage pipe. Also, Daniel Lefevre heads to Santos, Brazil, to determine why a hundred buildings are leaning over and in danger of collapse.

Première diffusion : 4 septembre 2015

S1 E4 • Episode 4

Here's a skyscraper with a not-so-secret superpower - it can melt cars. Justin heads to London’s 20 Fenchurch Street, otherwise known as the Walkie Talkie, to unearth the science behind this bizarre building blunder. He then heads for Berlin to find out why the city’s brand-spanking new airport is mysteriously deserted. Over in Canada, Justine Stevens learns how a minor measurement mishap became a horrible headache for bridge builders, while our man in Malaysia, Hansen Lee, uncovers the unbelievable errors that caused a gigantic stadium roof to collapse – not once, but twice.

Première diffusion : 11 septembre 2015

S1 E5 • Episode 5

In a TV first, Justin braves the turbulent North Sea as he goes inside an offshore wind turbine to see how engineers are fixing a fault that could cause these structures to topple into the drink. He also goes on the world's strangest fishing trip in a vast, flooded Louisiana sinkhole accidentally created by bungling salt miners, which has turned the local community into a ghost town. In Las Vegas, Paige Battcher learns how inept engineers lost more than a few quid on the roulette tables – they lost an entire hotel when they built it so badly it had to be demolished. Also, in Argentina, Miguel Soffia gets behind the wheel and finds out why engineers built a multi-million pound road to nowhere.

Première diffusion : 18 septembre 2015

S1 E6 • Episode 6

Justin's in for a bumpy ride as he investigates gigantic potholes in Louisiana, which win the prize for being the worst in America. He also gets a sneak preview of London's vast Crossrail project, and learns how engineers are attempting to rescue a giant tunnel boring machine which is stuck 20 meters below the streets of Seattle. Meanwhile, Italian reporter Fanuel Morelli visits a village that’s cracked and buckled after engineers tunneled though the mountain below. Also, Australian reporter Danni Marwick sees, first hand, the massive mudholes along the Melbourne-Sydney rail line that cause trains to bounce up and down, and even risk derailment.

Première diffusion : 25 septembre 2015