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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)
  • Zeebrugge Ferry Disaster show

    Zeebrugge Ferry Disaster

    More than 190 people died when a British car ferry capsized off Zeebrugge in March 1987. Why were the bow doors left open?

    (00:55)
  • Devastating Attack show

    Devastating Attack

    Examine the events and decision leading up to the attack.

    (01:05)
  • London Train Collision show

    London Train Collision

    What caused one of London's worst train disasters?

    (01:19)
  • Attack Over Baghdad show

    Attack Over Baghdad

    A French journalist is horrified when the Iraqi terrorist she is interviewing just ordered ground-to-air missiles aimed at an...

    (02:33)
  • Flight 21 is Missing show

    Flight 21 is Missing

    This was no ordinary flight but a military jet carrying American politicians. Was it an act of war that brought it down?

    (01:11)
  • Hanging by a Thread show

    Hanging by a Thread

    A short island hop from Maui to Honolulu quickly turns into a nightmare for the crew and passengers aboard Aloha Flight 243....

    (02:18)
  • 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)
  • Cow Power show

    Cow Power

    This time the Planet Mechanics are tackling a tricky challenge down on the farm. Can they tame this fuel-guzzling monster, by...

    (02:02)
  • 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)
  • Grain Dryer show

    Grain Dryer

    Is there anything else on the farm they can use to fuel the grain dryer?

    (02:36)
  • Cow Slurry show

    Cow Slurry

    Andy has tipped them off about a tank. They could fill this with cow slurry and use it as a digester to make biogas.

    (02:25)
  • Damp Crops show

    Damp Crops

    Grain can’t be stored if it’s too wet. Trouble is the average British summer means crops sometimes have to be harvested...

    (03:00)