In August 2007, he presented a television series on the BBC, "Trust Me, I'm an Economist". In October 2007, Harford replaced Andrew Dilnot on the BBC Radio 4 series "More or Less". From November 2016, he presented an economic history documentary radio and podcast series "50 Things That Made the Modern Economy." Since November 2019, he has been presenting the podcast series "Cautionary Tales". On the 13th of November 2020 he started a new podcast series on COVID-19 Vaccination called "How to Vaccinate the World".