Boku wa Tomodachi ga Sukunai ON AIR RADIO is a radio show event for the Boku wa Tomodachi ga Sukunai anime series. The first phase of the shows was broadcasted from September 6, 2011 to April 10, 2012 by Aoizumi and HiBiKi Radio Station. The second phase was broadcasted from December 11, 2012 to May 14, 2013. The shows were recorded onto four Radio CD volume sets under the Bushiroad Music label. A limited edition CD was given out at Comiket 82 in August 2012. Some of the main volumes had limited edition versions released by Tsutaya Rental. These versions had extra recorded content.