3. Sunken warships: At the bottom of the oceans are cemeteries of inherent warships. Countless World War I and II vessels scattered on the bottom, Among them are some of the most powerful weapons ever built.H.

Nature. 4. Rough seas: Extreme weather has always threatened ships and seas. The perfect storm, High-rise water walls and strong winds can overwhelm any ship. Sat.H.

Nature. 5. Direct hit: Direct attacks, Advanced weapons and the element of surprise sent many ships to their final resting place on the seabed. Sat.H.

Nature. 6. Lost beaches: War, Weather and human error have led to some of the worst marine disasters in U.S. history. Imagine if the oceans could be emptied, Let the water drain and reveal the secrets. Sat.H.

Nature. 7. Deep-sea disasters: Beneath the sea is a tectonic monster. The seabed is the world's largest 'machine' for tsunami waves. This program reveals the dangers of hiding out of sight. Sat.H.

Certificate. 1. Loss of control: The disaster looked safe when an internal U.S. flight lost a 4.5-mile propeller over the Pacific Ocean. Will the pilots be able to land safely? Sat.H.

Certificate. 2. Fire on a plane: We'll find out how 110 people lost their lives when a fire broke out on a DC plane-9 Old, And caused him to dive towards the Florida Everglades in a 1996 accident. Sat.H.

Certificate. 3. Typhoon: After a fatal crash following difficult conditions at Chiang Kai Airport-Bag in Taipei, Researchers reveal shocking discovery on runway. Sat.H.

Certificate. 4. Stretch the boundaries: Following a fatal crash from a height of more than 100 feet-10,000 metres above indonesia's jungles, Researchers make disturbing discovery. Sat.H.

Certificate. 5. Blind landing: In 2005, Trans Peru Flight 204 crashed into the Amazon jungle, Leaving a trail of bodies and debris throughout the rainforest. Sat.H.

Certificate. 6. Disaster at the Grand Canyon: When a collision causes a two-plane crash at the Grand Canyon, Investigators find 'problem that threatens safety of the airline system. Sat.H.

Certificate. 7. Deadly sighting: We'll find out how 273 people died when American Airlines Flight 191 lost its left engine, And there was one of the worst tragedies in U.S. aviation history. Sat.H.

Certificate. 8. Fatal landing: After United Airlines Flight 173 crashes, 10 people are killed, Investigators reveal how a problem with landing gear could cause an accident. Sat.H.

Certificate. 9. Hockey team disaster: In 2011, Soviet plane YAK-42D crashes into Volga River with Russia's largest hockey team on board - Only one person survived. Sat.H.

Certificate. 10. The death of the President of Poland: When Polish President Lech Kaczynski was killed in a plane crash, Investigators found it was not a simple human error by the pilot. Sat.H.

Certificate. 11. On the road to disaster: When the control tower asks Flight 409 to turn to a new destination, Pilots confirm order accepted. Moments later, the plane crashes into the sea. Sat.H.

Survivors of United Airlines Flight 232 that crashed B-1989, Sharing first-hand testimonies. Sat.H.

Can a rock covered in Elizabethan script solve one of the great mysteries of colonial America or is it just a clever forgery? Can a strange thing that looks like a pair of giant metal ears really fend off aircraft attacks? Sat.H.

Ireland doesn't take up much space on the map, But few places have such a beloved identity around the world. Hannah Fry travels to her homeland to find out what it means to be Irish, Tracing her Irish DNA. Sat.H.

In this intimate and inspiring film, Chris Hemsworth stops taking center stage to focus on his father, Craig, who was recently diagnosed with Alzheimer's disease. Chris plans a 'therapeutic journey into the past' where they revisit places from the past.

On a groundbreaking research expedition, Scientists are working together on Everest to establish the world's tallest meteorological station. Sat.H.

Summer 1943: Hitler wants to change the direction of the war. The new armored vehicles he has been waiting for a long time, Finally gathered at the Ukrainian border, In Kursk and they are ready to destroy the Soviet forces. This is how the greatest tank battle in history begins. Sat.H.

January 1944: The German army is collapsing on all fronts. As they run away, German soldiers destroy evidence of their horrific crimes. It is not enough to hide the terrifying reality of the concentration camps from the Red Army advancing on the ground. Sat.H.

In this intimate and inspiring film, Chris Hemsworth stops taking center stage to focus on his father, Craig, who was recently diagnosed with Alzheimer's disease. Chris plans a 'therapeutic journey into the past' where they revisit places from the past. Sat.H.

On a groundbreaking research expedition, Scientists are working together on Everest to establish the world's tallest meteorological station. Sat.H.