Nat Geo+1

7+.

Chad Zdenek gets to the nuts and bolts of the 747 plane as he meets its designers, and joins a team tasked with stripping down its six million parts. (S1, ep 1) 7+.

A commuter turboprop descends into heavy fog above Luxembourg when something goes horribly wrong. (S24, 5 of 10) 7+.

In 1954, one of the first passenger jets crashed into the Mediterranean. All on board died. After a second crash, the future of jet aviation looked bleak. 7+.

Discover the story behind the Submarine Lifeguard League, which mobilises to risk everything to rescue downed aviators in enemy waters. (S3, ep 6) 7+.

Hitler gathers 800,000 Nazi soldiers to launch a major attack against Stalin and aim to eliminate the Red Army. (S3, ep 6 of 6) 7+.

When two Boeing 737s crashed two years apart in almost identical circumstances, investigators raced to find the cause. Was there a fatal flaw? 7+.

On 19 February 1985, a China Airlines flight stalled in mid-air. The pilots managed to pull the plane out of its dive avoiding disaster. Why did it happen? 7+.

Colourised footage and eyewitness accounts show the price paid by troops and civilians to liberate Belgium and the Netherlands from Nazi rule. (2 of.

Documentary following the tragic story of NASA's Space Shuttle Challenger which exploded just moments after lift-off in 1986. Onboard, was the first civilian to be sent into space. 7+.

Thord and Bjoern battle one of Norway's biggest storms in a decade as they try to rescue a truck loaded with steel girders. 7+.

Looks at one of the Nazis' toughest structures. These defensive lines spanned the Italian peninsula, stalling the Allies for almost 2 years. (S4, ep 3) 7+.

A design fault leads to an explosion on a DC-10. Two years later and the same fault causes a similar tragedy. It could've been prevented so why wasn't it? 7+.

Will travels to the kingdom of Bhutan on a deeply intimate journey in search of the secret to happiness. (S1, ep 5) 7+.

Five months after D-Day, the war finally reaches German soil as British soldiers fight in the shadow of Hitler's infamous Siegfried Line. (S3, ep 2) 7+.

Rise of the Gladiator: A soldier enslaved by Rome and forced into gladiatorial combat leads fellow gladiators in a daring escape. (S1, ep 1) 7+.