Episode 15

As the clock ticks ever closer to the London Olympics, Sonali Shah and Ore Oduba track down a host of Britain's top medal contenders.

They follow the women's boxing team to the World Championships in China, where they face a nervous battle to qualify for the sport's first-ever appearance in the Games.

In taekwondo, Aaron Cook is hoping for success in the hunt for a medal which memorably ended in tears in Beijing four years ago; while William Fox-Pitt gives a look inside his stables as he prepares for the tough challenge of the three-day event in Greenwich Park.