On July 1, 2002 a cargo airliner and a passenger airliner collide while they are over Überlingen in Germany. The two aircraft crash, killing all on board.

On December 2, 1984 in Bhopal, India, a toxic gas leak at a Union Carbide chemical plant results in the deaths of 3,000 people.

Mont Blanc is one of the highest mountains in Europe, with a seven-mile long tunnel connecting France and Italy through the Alps. One March day in 1999, a Belgian Truck carrying flour and margarine catches fire in the tunnel, creating a blaze which burns for 53 hours, killing 39 people. A team of investigators set out to prove what caused such a terrible fire, and why all tunnels could be merely Seconds from Disaster

One April morning in 1995, at Oklahoma City's Alfred P. Murrah Federal Building, Timothy McVeigh parks a truck packed with explosives at the front of the government landmark. At 9:02AM, it explodes and the front of the building collapses with a loss of 168 lives. Survivors recount the terrifying experience as investigators attempt to discover what caused the building to collapse.

June 1998. The new German InterCity Express is a trip from Munich to Hamburg, one of many. Today should be no different. The new train offers the ultimate luxury in high-speed travel. But a terrible accident sets off a chain of events causing the loss of 101 lives when the train derails catastrophically at the town of Eschede. But what caused such a horrible accident?

July 6, 1988. The Piper Alpha stands over 110 miles off Scotland. But on this fateful day, a gas leak causes a catastrophic fire with a loss of 167 workers. Why did the Piper Alpha explode without warning? Was Human Error to blame? What about Mechanical Failure? Or even sabotage?

On July 1985, Italy's Stava Dam collapses and demolishes 70 structures killing 268 people in the process. Was there a fault in the design of the dam? Is this something that could happen to any dam around the world? Find out how a structural failure leads to a massive catastrophe with Flood at Stava Dam

Two Jumbo Jets, Pan Am 1736 and KLM 4805 collide on the lone runway at Tenerife, Spain. The two aircraft are then burnt out and 583 people lose their lives. But how come two experienced pilots made a mistake of this magnitude? How come two passenger jets collided on the runway?

June 28 Columbia's Last Flight (Space Shuttle Columbia) Space Shuttle Columbia disaster February 1, 2003 Texas, February 1, 2003. The Space Shuttle Columbia is re-entering orbit. But something goes horribly wrong and Columbia explodes. All 7 astronauts on board perish. When investigators learn of a small fault which occurred during take-off sixteen days earlier, they are convinced they have found a possible suspect.

During the 1972 Olympic Games in Munich, 11 Israeli athletes are been held hostage by Palestinian terrorists. They demand the list of Palestine prisoners in exchange for the release of the ahtletes. But at Furstenfeldbruck Airfield, a rescue attempt goes wrong and soon 17 people are dead.

On May 10–11, 1996 saw the death of nine climbers, including New Zealand climbing veteran Rob Hall. Was it a fierce storm, extreme ambition or something else that caused their demise?

On September 11, 2001 two aircraft are deliberately flown into two buildings of the World Trade Center and one is flown into the Pentagon. Another crashes in a field in rural Pennsylvania.

On 11 March 2011, a massive earthquake and tsunami off Japan’s coast caused a meltdown at the Fukushima Nuclear Power Plant.

We make mistakes every few seconds of our lives. They are unavoidable. But sometimes the results can be disastrous. On April 26, 1986, a series of catastrophic blunders leave dozens dead when the Chernobyl Nuclear Power Plant melts down.

Maritime Historian Andrew Lambert looks at the Royal Navy's battle with the German battleship Bismarck.

On 26 November 2008, terrorists attacked two luxury hotels (one of them the famous Taj Mahal Hotel), a Jewish educational center, a café and a train station in Mumbai, killing 166 people.

On October 5, 1999 two trains collide at Ladbroke Grove junction near London's Paddington station after the driver of one fails to stop his train at a red signal.

The Cavalese cable car disaster of 1998 (as distinct from a cable car disaster in the same location in 1976), occurred on 3 February 1998 near the Italian town of Cavalese, a ski resort located in the Dolomites, some 40 km north-east of Trento. The disaster, which led to the death of 20 people, occurred when a U.S. military plane cut a cable supporting a gondola of an aerial tramway.

In 1963 a landslide from Monte Toc into the reservoir of the Europe's highest dam caused a giant flood wave that destroyed the village of Longarone and other villages, claiming over 2,000 lives.

A look at the series of decisions and mistakes that led to the world's largest oil spill disaster, and that 11 workers on the rig died.

On December 7, 1941 Japanese forces attack United States military installations in and around Pearl Harbor, thus bringing the US into World War II.

After a 51-day siege at the ranch of an armed religious cult, the FBI tries to force people out with tear gas, but a fire breaks out and almost 80 people die.

Behind every disaster lies a chain of events. The Concorde was the world's first supersonic airliner, but on a charter flight to New York, 109 people are on board an Air France Concorde as it takes off from Paris. But as it lifts off the runway, the control tower notices flames trailing behind the aircraft. They can do nothing. The Concorde becomes uncontrollable and plows into a hotel in nearby Gonesse. 113 people are killed in the accident. The dream that was Concorde is shattered and the aircraft is grounded. What happened to Air France Flight 4590 could shatter the aviation industry as we know it.

On Easter 1990, a fire breaks out on the Scandinavian Star Ferry. After been towed to Sweden, the fire is eventually put out after 10 hours. Then the worst is revealed. 158 people have lost their lives. But why on Earth did they die? An investigation is immediately started, but the truth will shock them.

September 1993. The captain of a towboat unwittingly causes the collapse of a bridge over the Big Bayou Canot. When an Amtrak train comes along, it derails with 47 lives lost. Why was such a hideous mistake made? How could it have been prevented? Could it have been prevented at all? Wreck of the Sunset Limited explains why over 40 people died that Autumn day.