The incredible story of seven-year-old Alamjan from Kazakhstan who underwent surgery for a distended stomach that was making him look pregnant. What the doctors discovered inside was reported around the world - Alamjan's own twin was growing inside of him. Known literally as 'a baby inside a baby', the condition is very rare, but its examination leads to insight that a life and death struggle for survival takes place between all twins when they are in the womb.

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The chances of being bitten by a shark are 80 million to one. So what does that make the odds of it being caught on film?! This incredible documentary features and analyses not one but two such episodes, examining them forensically to show exactly what prompts such attacks and how, in the future, it may be possible to stop them. Eric, the shark expert behind this programme, is well placed to give his opinion - he filmed one of the bites himself. In fact, it was him that was bitten...

China's 'Elephant Man', Huang Chuncai, tells his own shocking story as he undergoes surgery to remove life-threatening tumours weighing 20kg that have caused him a lifetime of suffering. As a small child, Huang developed a small facial swelling. Now 31, his features have been destroyed and his body wracked by the tumours, which make up half his body weight. Bodyshock follows Huang as he travels to one of China's leading cancer hospitals for the surgery that he hopes will allow him to live a normal life, but which also carries terrible risks.

On 9 March 2001, Armin Meiwes, a computer engineer from the tiny village of Wüstefeld in Germany, cut off the penis of Bernd Brandes, a software designer from Berlin.