The team looks at advances in healthcare, and Jack Morgan goes under the knife as Dr Fu supervizes the efforts of a robot-surgeon called Medibot to create the perfect face. Other presenters try out a new toothbrush that burns away plaque - though with one rather serious side effect... And in a special report, the team visits a Sleep Institute and meets its director, Professor Craven, a man with some cutting-edge ideas.

The Look Around You Invention of the Year Award comes to you live from BBC Television Centre in Shepherd's Bush, London. Six leading inventors are in the studio hoping to take the big trophy. The finalists include the team behind a machine which can change your sex in minutes, and it will be tested live on the show.