DIY SOS: DIY SOS at Great Ormond Street Hospital

The DIY SOS team are out of their comfort zone this week, joining forces with two world-famous institutions - Great Ormond Street Hospital and the Chelsea Flower Show - for a special challenge. Gardener Chris Beardshaw has promised his gold medal-winning garden from the flower show to the hospital - now all Nick Knowles and his fellow builders have to do is crane the display across London and rebuild it on the hospital. It's a hugely ambitious build, with tricky logistics and emotional volunteers. But knowing how much the garden will prove welcome respite for families, the team is determined not to fail