Jake Kanter International TV EditorEXCLUSIVE: The Graham Norton Show is often the most important stop on the promotional tour bus when Hollywood’s elite come to London, so it will good news for many that, as of this week, the Irish showman is returning to his natural home: under the lights of a studio set and in front of an audience.Graham Norton last night recorded the first episode in Season 28 of his BBC One/BBC America talk show at the iconic Television Centre studios in London.