Matt and Alex are joined by Splash host Vernon Kay and actress Honor Blackman, and in a One Show exclusive Dan Snow reports on three soldiers preparing to return home from Afghanistan. Plus, Liz Bonnin will be hunting for the Northern Lights, live from an aircraft in Norway, and Joe Crowley investigates how much of our fruit and veg is British produced. And in celebration of 2014 and Elvis Presley's birthday, there's a performance by 14 Elvii.