One to One was an Irish television series which airs on RTÉ One. Since the first edition was broadcast at 12:15pm on 1 October 2006, the programme has featured personal interviews with a well-known figure from Ireland and abroad, one per episode. The second series moved to a Monday slot, beginning on 1 October 2007. A third series was broadcast during the summer months of June and July 2008. The fourth series aired from 10 November 2008 to 16 March 2009.