Four pairs must track down the yacht of Bond villain Scaramanga (The Man with the Golden Gun). The Controller has ordered them to retrieve a hard drive. Standing between them and success is a boatload of scorpions. For the fastest pairs, there's a £25k prize. But the slowest will be faced with elimination.

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Four pairs are in Bangkok for their first mission. The Controller has sent them to Sinn Sathorn Tower (Tomorrow Never Dies) to restore a satellite signal. To succeed they must climb two communications towers perched six- hundred feet above the city streets. For the fastest pairs, there's a £25,000 prize. But the slowest will face elimination.

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The remaining hopefuls are in Austria. Three pairs must transport fragile components to the top of the Alps. When their cable car stops mid-air, success is a terrifying tightrope walk away. In Vienna, the others must ride a rollercoaster to locate a device then deactivate it. For two pairs, there's a showdown at the top of a Ferris wheel.

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The Controller ramps up the psychological pressure. Six remaining pairs are trapped in a classified location and separated from their teammates. Their mission - escape confinement, clear hazardous obstacles and avoid booby traps to recover precious intelligence on their rivals. But what they must do with that intelligence will be their hardest task yet.

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After the events of the previous mission, rivalries are at boiling point. So, the scene is set for a shoot-out. The five remaining pairs must compete face-to-face. Their weapons are duelling pistols, the target a shot glass of tequila. Succeed and they bank £100,000 but two must fight for survival in an epic gladiatorial contest.

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The Controller sends the remaining four pairs to Mexico City to search for a key that unlocks a prize of £250,000. But it's the Day of the Dead and a million euphoric revellers stand in their way. To succeed they must forge alliances for the first time and, on the day that the dead return, failure leads to a showdown with a vengeful ghost.

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The Controller sends the final three pairs on the most challenging mission yet dive to a shipwreck in shark-infested waters in the Bahamas to retrieve a box, the contents of which will test their 00-agent skills to the max. One pair will be eliminated. For the others, a chance to win half-a-million pounds in an all-or-nothing visit to a casino.

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Six pairs have been eliminated. Just two are left standing. At the Vesper Club in the Bahamas, they must hold their nerve in a high-stakes game of cards to determine who will return to London to take on the Controller for one final mission - and a shot at the life-changing one-million-pound prize.

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