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Manchester Runway Disaster: On 22 August, 1985, 55 people died aboard British Airtours flight 28M when its engine failed during take off. (S8, ep 1) 7+

Sinkhole City: Dive into the danger as a highway bridge collapse sparks a probe into hidden structural flaws from sinking roads to a leaning skyscraper. (S3, ep 1)

Nissan GTI-R: Tim and Fuzz take on Raymond's 1990 Nissan Pulsar GTI-R, the dream build he couldn't finish. From its corroded shell to scattered parts, this is a risky build. (S14, ep 6) 7+

Renault Alpine GTA: The boys take on a rundown Renault Alpine GTA belonging to David, a former computer technician suffering with ill health. 7+

Titan Transports: Titan transports move the biggest and most earth shaking loads by land, sea and sky: moving the critical goods that make our world run. (3 of 6) 7+

Crush, Smash, Shred: Mining has been a very dangerous process. Now, with the evolution of engineering, colossal machines have made the unthinkable possible. (4 of 6) 7+

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

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Atlantic Showdown: In 1943, two Allied convoys carrying vital supplies for the war effort set out for Britain. What followed was the largest convoy battle of the Second World War. 7+

Perilous Payload: Experts discover a deadly oversight when a packed commuter flight slams into a hangar. Plus, a cargo plane crashes in Miami in a totally avoidable accident. (S2, ep 6) 7+

Buried Secrets of the Gold Rush: The team drain San Francisco's streets, the Sacramento river and Klondike's icy waste to tell the true story of 19th-century gold mania. 7+

Secrets of the Ark of the Covenant: Uncover what archaeology reveals about Exodus, Canaan and the Ark as ancient ruins challenge the biblical story. (3 of 6) 7+

Tunnels are engineering marvels, cutting through the landscape and creating direct routes - until they cave in. Plus, a bridge suddenly collapses in Miami. (S1, ep 5) 7+

Escort Rs In Distress: Tim and Fuzz find an Escort RS that has seen better days, and meet the owner who needs a helping hand restoring it. (S2, ep 9) 7+

A Perfect Storm: An out-of-control turboprop breaks apart while trying to land at Düsseldorf airport, instantly killing everyone on board. (S25, ep 3) 7+

Hitler's Siegfried Line: One of the greatest fortifications in warfare history, the campaign to breach Hitler's Siegfried Line cost 140,000 American casualties. (S2, ep 2) 7+

Washington Air Crash: In 1982, a flight from the US capital crashed into a bridge on the River Potomac. All but five of the passengers perished under the water. What went wrong? 7+

Ford Escort MK1 Mexico: The guys try to cheer up Gary, who's had a spell of ill health. But they soon find that not a single part of his Ford Escort is salvageable. (S7, ep 9) 7+

To Rome With Love: At Rome's Fiumicino Airport, Border Police stop a father and son traveling with fake passports, and a woman refuses to cooperate. (S8, ep 3)

Fatal Fixation: Experts investigate the shocking crash of United Airlines Flight 173. Ten people died in the disaster in Oregon. What caused all four of its engines to fail? 7+

Trouble in Thailand: Brace for disaster as highways fall, bridges collapse and buildings crumble in a global tour of shocking engineering failures. (S3, ep 2) 7+

Sacrifice: Witness the aftermath as crews battle radioactive fallout, a concrete tomb seals the reactor and the world questions the Soviet story. (3 of 4) 7+

Truth: Uncover the truth as trials unfold, hidden reactor dangers emerge and decades later Chernobyl's exclusion zone becomes a war zone. (4 of 4) 7+

Fatal Approach: A minor electrical problem sparked a catastrophic chain of errors that caused KLM Cityhopper Flight 433 to crash en route from Amsterdam to Cardiff. (S18, ep 3)