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Drain the Viking Seas: Off the coast of Sweden, can experts find the battleship the Mars, which vanished over 450 years ago and is shrouded in legend and mystery? 7+

Embracing the Unexpected: Marianna reveals the most intense and unexpected moments, whether it's dodging a bullet or nearly getting caught in the crossfire during an interview. (1 of 2) 18+

Charm City Catastrophe: A ship breaks a Baltimore bridge, a Dutch stadium loses its top, a Manhattan crane catches fire, a crooked English pub and a "poonami" in China. (S2, ep 1) 7+

Fault Line Fiasco: From bridges to highways, skyscrapers to supermarkets, these are just some of the structures showcased in Construction Fails. (S2, ep 2) 7+

Crown Of Thorns & The Living Dead: Investigators analyse evidence of an ancient mass murder in the Andes, and scrutinise a thorn said to be from Jesus's crucifixion crown.

Vampire Killers & Green Children Mystery: Experts follow the trail of the oldest suspected vampire and delve into sightings of two alien-like children in an English village. 7+

Teleshopping. 7+

Teleshopping.

Teleshopping. 7+

Teleshopping.

Teleshopping.

Oil Rig: Chad joins the salvage team tasked with tearing apart the North Sea's 24,200-tonne Brent Delta oil platform. (S1, ep 4) 7+

Collision Catastrophe: Two planes collide in the skies above southern Germany and the catastrophe is witnessed by scores of people on the ground. (S24, 8 of 10) 7+

Collision At 35,000 Feet: Looks at the Uberlingen plane crash that killed 45 children. A man who lost his family later murdered the air traffic controller who was on duty. 7+

The Interceptor: In 1945, an American submarine Commander receives an order to hunt Japanese submarines tasked with secretly evacuating VIPs from the Philippines. (3 of 6) 7+

Hitler's Arctic Fortress: Looks at the Nazi occupation and defence of Norway - a frontline from which Hitler could attack the Soviet Union and build an atomic bomb. (S4, ep 4) 7+

Ghost Plane: Examine the startling events of Helios Flight 522, which crashed into the side of a mountain when all on board inexplicably slipped into unconsciousness. 7+

Shattered in Seconds: After taking off from Taiwan, a China Airlines 747 suddenly disappeared from radar and crash-landed, killing 225 people. Researchers try to find out why. 7+

Wings of Doom: WWII was a war in the skies. Despite the Treaty of Versailles, Germany fostered air clubs to gain aerial supremacy. (S1, ep 2) 7+

Nero's Favourite Gladiator: Spiculus becomes a superstar in Rome's brutal arenas. Rewarded with wealth and privilege, he fights for glory. (S1, ep 2)

Blizzard Showdown: When a mountain blizzard causes a double accident, Bjoern is forced to call his rivals for help. (S7, ep 5) 7+

Charm City Catastrophe: A ship breaks a Baltimore bridge, a Dutch stadium loses its top, a Manhattan crane catches fire, a crooked English pub and a "poonami" in China. (S2, ep 1) 7+

Dead Weight: Just after takeoff, a plane plummets to the ground, killing all on board. Investigators find one of the causes to be out of date passenger weight calculations. 7+

Moments from Touchdown: Flying from the Kathmandu to Pokhara, Yeti Airlines Flight 691 stalls and crashes into a gorge where investigators find a scene of annihilation. (S25, ep 8) 7+

Firebomber Down: A C-130 firebomber crashes while battling an epic Australian wildfire. And ATSB investigators must determine the cause within an active fire zone. (S24, 3 of 10) 7+

Full Throttle Traffickers: The waters protected by the Dutch Caribbean Coast Guard are frequently trafficked by drug smugglers from surrounding countries. (S2, ep 2) 7+

3rd Time Unlucky: After clearing the Manx2 Flight 7100 for landing, controllers at Ireland's Cork Airport are shocked when it crashes into the runway. (S13, ep 9) 7+