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THREE MINUTE TEASER

  • Concrete or Explosives? show

    Concrete or Explosives?

    Richard and Jonny prove the effectiveness of the concrete bomb versus conventional explosives in their biggest and most...

    (03:26)
  • Comet Air Crash show

    Comet Air Crash

    In 1954, disaster struck again when a third Comet jet airliner crashed, throwing the future of commercial aviation into question.

    (01:00)
  • Preview show

    Preview

    Unravel a chain of critical events in the hours and minutes before the 9/11 attack.

    (00:52)
  • Wounded Bird show

    Wounded Bird

    When flight ASA529 crashed after one of its propellers failed. The investigation found the cause of the failure was corrosion.

    (02:35)
  • Ghost Plane show

    Ghost Plane

    Fighter jets track a 737 high above Athens, more than 100 people are on board but who is flying the plane?

    (01:01)
  • Collision Over LA show

    Collision Over LA

    A neighbourhood is destroyed in East Los Angeles, wreckage, still on fire, is strewn for blocks.

    (01:02)
  • Cargo Conspiracy show

    Cargo Conspiracy

    Fire breaks out in the cargo hold of a 747 heading for South Africa and there’s only one way to clear the smoke – open the...

    (01:16)
  • Women on the Edge show

    Women on the Edge

    Wayne County Jail, Detroit, is targeting habitual femail offenders, for help, not punishment.

    (00:52)
  • Kids Behind Bars show

    Kids Behind Bars

    Welcome to the Youthful Offenders System, the best chance for Colorado’s violent teens.

    (01:01)
  • Perfect Weapon: Slings And Arrows show

    Perfect Weapon: Slings And Arrows

    Watch as a selection of history's most gruesome projectile weapons are tested for their accuracy and deadliness.

    (01:34)
  • Perfect Weapon: Skull Smashers show

    Perfect Weapon: Skull Smashers

    Discover how weapons have been used to smash skulls for centuries in Skull Smashers.

    (01:41)
  • Air Propelled Sandwich show

    Air Propelled Sandwich

    This time the Planet Mechanics are tackling one of the world’s biggest problems, traffic pollution.

    (02:12)
  • New Vehicle Delivery show

    New Vehicle Delivery

    Now it’s time for Dick and Jem to proudly reveal their new thoroughbred delivery vehicle to the expectant new owners.

    (04:55)
  • Heart of the Problem show

    Heart of the Problem

    The next morning, and the whole bike has to be stripped down to get to the heart of the problem.

    (02:55)
  • Air Tanks show

    Air Tanks

    Jem’s working on the mounts for the air tanks. They’re coated with carbon fibre, a material that can’t be welded. He...

    (02:55)
  • Air Motors show

    Air Motors

    It’s not nearly as much as Jem wanted so he’s ordered the best air motors he can find, but these motors are normally used...

    (02:55)
  • Eco Workshop show

    Eco Workshop

    The next morning and the Planet Mechanics’ eco-workshop is up and running. Dick and Jem are in the south of England on their...

    (02:52)
  • Scrap Heap show

    Scrap Heap

    Dick and Jem have come to this scrap heap to collect an old vehicle to recycle.

    (02:52)
  • Air Powered Moped show

    Air Powered Moped

    So they’re building a moped powered by fresh air. They’ll replace the petrol engine with an air motor and the gas tanks...

    (02:55)
  • The Ultimate Test show

    The Ultimate Test

    Fortunately they still have the oil they made earlier. So it’s time for the ultimate test: will that oil fire up the grain...

    (01:47)