National Geographic Channel +1 Thursday

Animals with unusual mating rituals, from arduous journeys to fights to the death with rivals

A look how certain foods are made in factories, featuring maple syrup and polenta crisps

A look how certain foods are made in factories, featuring non-melting cheese and smoothie shakers

Three rare failures throw investigators into storms of controversy, and one reveals a weak spot in every Boeing 767

How France constructed ingenious fortifications, on a massive scale, to defend itself against attacks from the east

Thord's skills are put to the test with the rescue of an excavator, but there is trouble when rookie Terje's reckless driving ends in disaster

Fuzz Townshend and Tim Shaw revisit vehicles from the first four series to see how life has changed for the owners. Featuring an appearance by Roger Moore

Vehicles that are setting new standards for speed, from a jet vehicle that can break the sound barrier to a magnetic levitation train

Investigators make a shocking discovery that threatens Russia's aviation system when a plane crashes onto the trans-Siberian railway, leaving all 88 people on board dead

Experts investigate the mysterious sinking of the SS Waratah, and join a ROV expedition on a search for clues at the bottom of the reef

How Japanese forces created a network of inland defences and tunnels on the island of Okinawa, which was the background for 10 weeks of fighting with US troops

Tim and Fuzz take on the challenge of restoring Richard's 1953 Riley RMF, a great British classic that's been in a garage for decades

Tim Shaw and Fuzz Townshend get to grips with a 1971 Lamborghini Espada, belonging to a Derbyshire man whose hopes of restoring it were dashed by health issues

After the crew manage to land an aircraft on the fritz, investigators must determine how a freshly serviced plane was released with a fatal flaw

Advanced scanning technology is used to explore the depths of Loch Ness. However, as a full sonar sweep of the loch's depths is performed, more than a monster is revealed

The discovery of ancient shipwrecks found sunken off the coast of America's Goat Island lead researchers to a vessel from a period of European exploration and colonisation

Oliver sets out on the water with Carl, Matt, and a new set of slinky pots, but must rely on their wit and resourcefulness to overcome treacherous weather and unforeseen obstacles

An investigation into the 1958 accident in which the plane carrying Matt Busby's Manchester United team crashed shortly after take-off in Munich, killing 23 of the 44 on board

When a UK power station reached the end of the road, it took all the power with it. Plus, disasters involving landslides, tyres and inevitable human error

Astronomer J Allen Hynek leads Project Blue Book's scientific efforts to catalogue and investigate civilian reports of UFOs

How Airbus constructs the H-125, the world's most popular single engine helicopter

The team uncovers a Depression-era portrait, a Zenith radio and a home-made hot rod at a disused cotton factory in Georgia

The team searches the former headquarters of Pabst Brewing Company and finds a blueprint along with a wealth of valuable collectibles

Discover how hearty cannelloni, rice noodles and prepared butternut squash are created from raw materials to finished products

Discover how decadent maple syrup and delectable Almond Roca® butter toffee popcorn are created from raw materials to finished products

Footage of an ant colony in Costa Rica, revealing how a vast horde of half a million insects is able to act like a single larger animal

Documentary following a herd of desert-dwelling elephants in Mali, one of only two such groups in the world