The Emmy-nominated entertainment show gives teams just one day to build amazing machines - from demolition vehicles to rockets and amphibious vehicles - which they will then race. S7/Ep15
The Emmy-nominated entertainment show gives teams just one day to build amazing machines - from demolition vehicles to rockets and amphibious vehicles - which they will then race. S7/Ep13
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S7/Ep12
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S7/Ep11
Two teams - The Up And At 'Ems and the Bakewell Puddings - are tasked with building a low-level spy car that can carry the team and negotiate a tricky obstacle course. S7/Ep8
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S7/Ep7
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S7/Ep6
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S7/Ep5
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S7/Ep4
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S7/Ep3
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S7/Ep2
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S7/Ep1
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S6/Ep13
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S6/Ep12
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S6/Ep11
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S6/Ep10
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S6/Ep9
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team. S6/Ep8
A team of navel engineers compete with a gang of turbo-charged scout masters to build a jet-powered dragster that can race down the legendary strip at Santa Pod. S6/Ep7
Two teams of metal-bashers battle it out to build a motorbike - but not any old roadster - one that can burn rubber on land and on water. Who will make a splash, and who will sink? S6/Ep4
A team of scout leaders compete against a group of agricultural students to build a car that can be broken down into parts that will fit into four small rucksacks. S6/Ep3
It's the mother of all mechanical showdowns as two teams go to a 'weapons warehouse' full of hazards, with the explosive task of building a remote bomb-disposal device. S6/Ep2
A team of navy engineers go up against an RAF crew to build a rip-roaring wheelie car that can both get its two front wheels off the ground and out-power the competition. S6/Ep1
The grand final sees the Barley Pickers line up against last year's winners, the Cat-alysts, in the most awesome challenge ever: to fling a Mini over the horizon. S5/Ep12
The challenge presented by Robert Llewellyn and Lisa Rogers is to build destroyers that can sink the enemy team's giant galleons in a massive Scrapheap water war. S5/Ep11
The Coventry wrestlers and the Hammerlocks have to dig deep - the challenge is to build a machine that can dig up as much sand as possible in a given time. S5/Ep10
The Martial Mechanics and the Boat Bouys must go back in time to build tugboats, but using only technology that predates the invention of the propeller. S5/Ep9
The Hammerlocks, three wrestlers from Coventry, and the Tunnel Ratz, a trio of London Underground engineers, are asked to make massive one-wheel motorbikes. S5/Ep8
The Young Ones and The Barley Pickers have to build balancing rigs to carry vats full of liquid around an unfeasibly uneven course, spilling as little as they can. S5/Ep7
Lisa Rogers and Robert Llewellyn present a testing challenge as the teams compete to build machines that can guide them around a course they can't even see. S5/Ep4
The Martial Mechanics, a team of garage staff with a passion for judo, take on the Kiwi Go-Karters to build a hovercraft that can float over land and water. S5/Ep2
Two teams play seriously dirty as Devon farmers the Barley Pickers fight it out with biker trio the Munch Bunch to see who can build the meanest mud monster. S5/Ep1
The contestants have to dive beneath the waves as Robert Llewellyn and Cathy Rogers set The Nerds against The Dipsticks. The two teams have just 10 hours to build a craft.
Two teams battle it out to see who can build the best bomber in this challenge to drop small paint-bombs on a giant target, using some kind of radio-controlled aircraft.
Teams are challenged to build a vehicle to travel as far as possible on only a coffee cup full of petrol. The economical victors cruise through to a place in the grand final.
A doubly hard challenge - to build a car that thinks it's a boat! The teams have just one day to construct an amphibious vehicle out of scrap materials.
This week the two teams are challenged to design and build a powerboat. They'll then have to race the vessel around a course, rescuing team members along the way.
This week the two teams are challenged to design and build a powerboat. They'll then have to race the vessel around a course, rescuing team members along the way.
The teams have to build a one-man diving apparatus. Their challenge is to then dive 20 feet into the Atlantic Tank at the London Aquarium to retrieve gold from a treasure chest.
The Emmy-nominated entertainment show gives teams just one day to build amazing machines - from demolition vehicles to rockets and amphibious vehicles - which they will then race.
The Emmy-nominated entertainment show gives teams just one day to build amazing machines - from demolition vehicles to rockets and amphibious vehicles - which they will then race.
The Emmy-nominated entertainment show gives teams just one day to build amazing machines - from demolition vehicles to rockets and amphibious vehicles - which they will then race.
Teams compete to construct a junk machine, using only what they can scavenge from the scrapheap. Every season builds to a final contest - and the crowning of a champion team.