Episodes
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1. Human Cannonballs
The Vikings, a team of Dark Ages battle re-enactment enthusiasts from Salisbury, face off against the Beach Bums, a team of surfers from Torquay, to construct a machine which can hurl a human-sized mannequin into a disused quarry.
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2. Monster Trikes
The Engineering Eggheads, a team of mechanical engineering students from University College London, compete with the Diggers, a team of heavy plant engineers from Hull, to build 5m-long "monster" trikes, that can race head-to-head over a slalom course, carrying all four team members.
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3. Muscle Trains
Plymouth's Super Subs vie with Sweet Chariots, a group of rugby players, to construct a train they has powered by the teams muscle.
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4. Snowmobiles
Suffolk builders The Cement Mixers, and Dorset cab drivers The Turbo Taxis build and race snowmobiles.
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5. Giant Skateboards
In this episode The Extinguishers must face The Steaming Scots to see who can build the better Giant Skateboard.
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6. Mechanical Mortars
In this episode Woof Justice take on The Bus Boys in a race to create the most accurate and more mobile Mechanical Mortars.
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7. Airboats
In this episode The Beach Bums face The Diggers to see who can build the better Airboat.
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8. Skid Pan Sumo
This week The Turbo Taxi's and The Super Subs have to make mechanical sumo cars that are capable of pushing the other teams vehicle out of the arena.
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9. Earth Movers
In the first semi-final the Beach Bums face the Extinguishers to see who can make the best machine capable of moving mounds of earth.
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10. Drag Sleds
In the second semi-final Woof Justice face the Turbo Taxi's for a place in the final by building the fastest Drag Sled.
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11. Final: Swamp Racers
In the final of this series Woof Justice take on the Beach Bums to see who can make the better swamp racer and become the Scrapheap Challenge champions 2007.
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12. Grand Final: Dozers
In the Grand Final, this series' winners Woof Justice take on last series' winners the Powerlifters to build Bulldozers from scrap.
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13. Christmas Special: Paddle Boats
In this Scrapheap special a team from the UK faces a team from the US to make Paddle Boats from scrap to commemorate the maritime achievements of Isambard Kingdom Brunel.
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14. Scrapheap Challenge Roadshow 2: Sofa Speedway
16 teams fight to make the best vehicles out of anything they like so expect some rather silly looking vehicles.
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15. Scrapheap Challenge Roadshow 3: Welly Wanging
In this episode the Scrapheap Roadshow moves on and Welly Wanging is the objective and once again 16 teams battle it out to face the Scrapheap All-Stars.
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16. Scrapheap Retrospective: Series 9
Robert and Lisa present a look at the highlights of this years series.
Episode information from TMDB. Air dates refer to the original broadcast or release.