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  • 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)
  • 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)
  • Electric Water Taxi show

    Electric Water Taxi

    The Planet Mechanics are trying to save one of the world’s most beautiful cities – Venice.

    (01:57)
  • Engine Concerns show

    Engine Concerns

    They’re worried that the engine might not be strong enough but to get the boat onto the plane, Alberto will need to give it...

    (02:19)
  • A Need for Speed show

    A Need for Speed

    The solar-powered taxi takes forty minutes to travel from Certosa to the heart of Venice. Taking its time is fine for tourists...

    (03:00)
  • Marathon Test show

    Marathon Test

    Alberto has designed a marathon test for the solar-powered water taxi. The route will take at least two hours and they’ll...

    (02:54)
  • Sanpierotta show

    Sanpierotta

    Alberto wants to base their water taxi on one of the boats that was made in his boatyard. He’s lending them a traditional...

    (02:51)
  • Motor Boats show

    Motor Boats

    Dick and Jem travel to Italy to take on one of the world’s most polluting forms of transport -motor boats.

    (02:43)
  • Water War show

    Water War

    The Planet Mechanics are battling to conjure up electricity out of thin air. They must make England’s most remote youth...

    (01:57)