TED Radio Hour is a weekly, hour-long radio program and podcast, produced as a co-production between TED (conference) and National Public Radio. It is broadcast on 600+ public radio stations in the United States and internationally, and is also available as a free weekly podcast. The first episode aired on April 27, 2012, with host Alison Stewart. Beginning with Season 2, the series was hosted by Guy Raz. In November 2019, Manoush Zomorodi was named the show’s new host.