National Geographic Channel

'S6/E7 - Nagasaki: The Forgotten Bomb'. Analyse the controversial claim that the second atomic bomb attack on Nagasaki was essential to bringing a swift end to World War II.

'S1/E2 - Cover-Up'. 48 hours after the explosion, the world wakes up to a global nuclear disaster.

'S1/E3 - After The Flood'. Past floods reshape how engineers build barriers against rivers and storms.

'S1/E3 - A Desperate Place'. Rescues persist as media highlights looting over those trapped in the city.

'S1/E3 - Hitler's Fighting Retreat'. The tide of war with Russia has turned and the Germans face a vast Soviet army bent on revenge.

'S8/E2 - All-Nighter'. When a truck smashes into a crash barrier and tips over, Thord and Bjoern team up for an all-nighter to save a valuable cargo of fresh salmon.

'S2/E5 - Captain & Striker'. As the seasons change to spring, new challenges arise for Alaska Natives.

'S6/E7 - Meth Magnets and Dirty Money'. HSI runs multiple money laundering stings in Chicago and CBP have two of the largest crystal meth seizures in LAX history.

'S2/E7 - Barks And Wags'. Dogs join us in our homes and workplaces, so in this episode we celebrate their achievements and failures.

'S2/E8 - Extreme Sports'. Dallas Campbell analyses how these brave but scientifically illiterate 'researchers' fail as they meet stupid head on while practicing extreme sports.

'S7/E9'. In this episode we learn the science behind the fails when mogul skiing, attempting to throw someone in the air and running on floating logs.

'S7/E10'. In this episode we learn the science behind the fails when attempting a doughnut spin on an ATV, riding river rapids, and working out with medicine balls.

'Genghis Khan: the Secret History of the Mongols. S1/E3 - The Birth of the Empire'. Chinggis Khan built power by building an army and eliminating rivals.

'S8/E2 - All-Nighter'. When a truck smashes into a crash barrier and tips over, Thord and Bjoern team up for an all-nighter to save a valuable cargo of fresh salmon.

'S2/E5 - Captain & Striker'. As the seasons change to spring, new challenges arise for Alaska Natives.

'S2/E7 - Lost Island Predators'. Cyril and his crew travel to remote islands in the South Pacific on a mission to help scientists save French Polynesia's Giant Trevally.

'S6/E7 - Meth Magnets and Dirty Money'. HSI runs multiple money laundering stings in Chicago and CBP have two of the largest crystal meth seizures in LAX history.

'S1/E2 - Jal123'. Using flight simulators, seasoned pilots attempt to fly the course of the ill-fated Japan Airlines Flight 123 and avoid the crash that killed 520.

'S2/E8 - Close Call'. Sharks derail Cyril and his team on their quest to find Giant Trevally and reroute them to the remote volcanic island of Eiao and an awaiting danger.

'Genghis Khan: the Secret History of the Mongols. S1/E4 - The Unstoppable Empire'. Chinggis Khan solidifies dominance in Persia. He names Ogedei as his successor.

'S4/E1'. In this episode we learn just how many ways there are to embarrass, injure and humiliate yourself while doing pogo backflips, Ski Cliff drop-ins or just reverse parking.

'S4/E2'. In this episode we learn just how many ways there are to embarrass and injure yourself while doing swimming pool handstands or jumping all terrain vehicles.

'S1/E2 - Cover-Up'. 48 hours after the explosion, the world wakes up to a global nuclear disaster.

'S1/E3 - After The Flood'. Past floods reshape how engineers build barriers against rivers and storms.

'S8/E3 - Overload'. When there's chaos in the mountains and the emergency calls just keep coming, Thord is running out of options.

'S2/E6 - Burning Daylight'. When the sun doesn't set, Alaska natives forgo sleep to seize the daylight.

'S6/E8 - Cocaine Rides in the Crew Cab'. HSI runs a human trafficking sting at a KC hotel, and CBP in Philly is on the hunt for a passenger suspected of making terroristic threats in the US.

'S1/E3 - Kegworth BD Flight 92'. A routine flight from London Heathrow to Belfast International Airport ends in tragedy when British Midland Flight 92 crashes onto a motorway.

'S1/E1 - Secrets Of The Shrines'. Ancient builders channelled faith and ingenuity into history's sacred spaces.

'S1/E1 - Marti Peterson'. The widow of a CIA officer, who was killed in action, goes undercover in Moscow.

'S1/E2 - The Final Chapter'. Five years after the fire, Notre Dame Cathedral is finishing its one billion dollar restoration ahead of re-opening later in the year.

'S2/E4 - Battle For The Pacific'. As American forces sweep across the Pacific, the Japanese fight to their last breath to protect the mainland and turn to desperate tactics with kamikaze suicide bombers.

'S2/E4 - High On Heroin'. Clifford is a meth addict, Hayley an alcoholic, doctors reveal the effects of meth and alcohol on the mind and body. Will they get clean?

'S6/E8 - Norway Massacre'. On July 22, 2011, a gunman goes on a terrorist rampage, starting with an explosion in Oslo and ending with the slaughter of dozens of teenagers.

'S1/E1 - Secrets Of The Shrines'. Ancient builders channelled faith and ingenuity into history's sacred spaces.