Revisits devastating disasters of the past 40 years through eyewitness testimony and archive footage in anniversary specials.

Revisits devastating disasters of the past 40 years through eyewitness testimony and archive footage in anniversary specials.

Revisits devastating disasters of the past 40 years through eyewitness testimony and archive footage in anniversary specials.

The Chernobyl meltdown remains the world's worst nuclear accident. Today, the disaster still haunts survivors, while the clean-up operation will continue for another 40 years.

The Chernobyl meltdown remains the world's worst nuclear accident. Today, the disaster still haunts survivors, while the clean-up operation will continue for another 40 years.

The Chernobyl meltdown remains the world's worst nuclear accident. Today, the disaster still haunts survivors, while the clean-up operation will continue for another 40 years.

The Chernobyl meltdown remains the world's worst nuclear accident. Today, the disaster still haunts survivors, while the clean-up operation will continue for another 40 years.

Gripping recreation of historic events using firsthand accounts and forensic details, including moon landings, Romanov assassination, Hiroshima, Mandela's release, JFK assassination, and Chernobyl.

Gripping recreation of historic events using firsthand accounts and forensic details, including moon landings, Romanov assassination, Hiroshima, Mandela's release, JFK assassination, and Chernobyl.