National Geographic Channel Today

Behind the Mask is a television episode. It forms part of a programme series.

A tanker truck overturns on Philadelphia’s busy I‑95 highway, setting the overpass alight. The resulting fire engulfs the structure.

We visit some of the world’s most expensive yet utterly useless airports, and also examine hotels that have collapsed. The programme then explains why a Shanghai apartment tower fell like a slab.

The programme looks into one of history's biggest conspiracies – that Mary Magdalene was married to Jesus and bore his child. It investigates this claim and its implications.

It examines the archaeological discoveries at Gobekli Tepe, the Neolithic hill‑top sanctuary in Turkey, and the unearthing of a collection of maimed bodies in a muddy Irish landscape.

The programme is a teleshopping broadcast. It showcases a range of products and invites viewers to buy them.

Viewers are given the chance to buy items without leaving their homes. The programme lets you shop straight from the screen.

Viewers are given the chance to buy items without leaving their homes. The programme lets you shop straight from the screen.

Viewers are given the chance to buy items without leaving their homes. The programme lets you shop straight from the screen.

Drug traffickers dump their cargo into the sea, forcing the Special Unit for Subaquatic Activities to alter its course at speed. Meanwhile, an illegal fishing boat takes cover.

The programme presents dramatised re‑enactments of real air disasters. It also features interviews with aviation experts and eyewitnesses.

On Boxing Day 2004, a tsunami hit the Indian Ocean, wiping out parts of Indonesia, Sri Lanka, India and Thailand. The catastrophe took the lives of more than 220,000 people.

It examines several of the fiercest naval clashes of the Second World War, highlighting their intensity. The programme offers a close look at these dramatic sea battles.

Stalin, bent on revenge, launches an offensive against Nazi Germany. Over a million Soviet soldiers push westward to assault Berlin.

During the last months of the Second World War, Japan’s final defence resorted to desperate tactics. These included suicide bombings and civilians fighting hand‑to‑hand.

The episode investigates why Air Ontario Flight 1363, departing from Dryden, crashed just moments after take‑off in 1989. It does so despite warnings that had been issued about a previous tragedy in Canada.

In 2005, Chalk's Ocean Airways Flight 101 lost its right wing just seconds after taking off from Miami. The aircraft then plunged into the ocean, and there were no survivors.

Nazi scientists work to ready the natural world for Nazi rule. Their projects involve culling plants and animals, reviving ancient species and shaping idyllic landscapes.

Marcus Attilius, a Roman in debt, is forced to become a gladiator in Pompeii. He gains fame in the deadly arena, but an even greater danger – Vesuvius – looms on the horizon.

Thord puts his new rotator truck through its paces after a tractor crashes downhill. Meanwhile, Raido steps in to rescue a school bus.

Eastern Airlines Flight 401 crashed in 1972 as it was getting ready to land at Miami airport. The accident may have resulted from a landing‑gear problem that diverted the pilots' attention.

It presents dramatised reconstructions of actual air disasters. The programme also features interviews with aviation experts and eyewitnesses.

A mid‑air blast shakes Southwest Airlines Flight 1380. As the pilots struggle to stabilise the aircraft, the cabin crew make a terrifying discovery.

The documentary tracks emergency services as they operate in the remote northern Canadian wilderness. Their work is disrupted when an avalanche blocks the Klondike Highway.

A plane collided with a seawall at San Francisco International Airport. The crash uncovered an unexpected problem that puts passengers worldwide at risk.