The Hairy Bikers pull off a right royal coup as their personal mission to save Meals On Wheels reaches its climax. First stop, Dave and Si are back in West Yorkshire cooking up a storm with the Slaithwaite ladies - proving that with passion, commitment and drive it is possible to reinvent Meals on Wheels and give it a real future.Then the Bikers head back to Elmbridge, Surrey to find out if all their hard work there, trying to revitalise the council-run Meals On Wheels service, has paid off. And in a massive boost, HRH the Duchess of Cornwall comes to see the work they have been doing and show her support.Flush from their royal visit, Dave and Si are on a roll and hit the capital. Serving up snazzy snacks to a host of guests from the worlds of entertainment, food and politics, they spread their Meals On Wheels message - we've all got to do our bit to save Meals On Wheels for grannies and granddads everywhere - for our parents and for our future selves!