The Martin Lewis Money Show returns with an hour-long live special, in which ITV's financial guru will try to save viewers hundreds of pounds as they watch the programme.The series opener, set in front of an audience of 200 at a dockside warehouse in London, focuses on the fact a reported 60 per cent of customers are overpaying £300 a year on their energy bills.Martin will explain exactly how to try to save money on those bills - so viewers at home can join audience members in doing exactly that.With the help of co-presenters Saira Khan and Ranvir Singh, viewers will also be invited to get in touch via social media and email during the show to talk about their own switching stories.