Why...?: Season 1
Episode Guide
Season 1 Progress Shield
Why Bridges Collapse: The Genoa Disaster
Aug 12, 2019
On 14 August 2018, the Polcevera Bridge in Genoa collapsed, sending 27 vehicles plummeting to the valley below. 43 people lost their lives. It was Italy’s worst ever road-bridge di
Why Ships Crash: The Suez Canal Collision
Jan 18, 2022
On 23 March 2021, the Ever Given – one of the largest container ships ever built – ploughed into the sandy bank of the Suez Canal, blocking the entire waterway. It stopped all traf
Why Buildings Collapse: Miami Beachfront Disaster
Jul 5, 2022
In 2021, Champlain Towers South – an apartment building near Miami – collapsed, killing 98 people. This film forensically examines what happened and asks: what went wrong? And coul
Why Sharks Attack: The Red Sea Tragedy
Jul 18, 2023
8 June 2023. A shark attacks a 23-year-old Russian man swimming just metres from the beach in the Red Sea vacation resort of Hurghada, Egypt. Horrified tourists watch from the shor
Why Planes Vanish: The Hunt for MH370
Mar 6, 2023
Ten years after Malaysia Airlines flight MH370 disappeared with 239 passengers and crew on board on 8 March 2014, this documentary looks at whether new radio technology may finally
Why Trains Crash: India’s Deadly Disaster
Jul 18, 2023
On the evening of 2 June 2023, a devastating crash involving three trains killed nearly 300 people and injured more than 800 at Bahanaga Bazar station in India’s eastern Odisha sta
Why Bridges Collapse: The Baltimore Disaster
Dec 5, 2024
MV Dali, a huge container ship, crashes into the Francis Scott Key Bridge in Baltimore, tragically killing six people and completely destroying the bridge. Investigators reveal how
Why Cities Flood: Spain's Deadly Disaster
Jun 24, 2025
On 29 October 2024, a powerful storm hit the area around Valencia in Spain. Torrential rain fell on the hills to the west of the city, causing devastating flash floods. Across the
Why Planes Crash: South Korea’s Deadliest Aviation Disaster
Oct 13, 2025
In December 2024, a passenger jet crashes at Muan International Airport in South Korea, killing 179—the worst aviation disaster in the country’s history. Weeks later, a military he
Millionaire Superyacht: Why Ships Sink
Jun 22, 2026
During intense storms on 19 August 2024, the 54m superyacht Bayesian mysteriously sinks off the coast of Sicily. Seven people onboard tragically perish. As search and rescue teams