SmileTV is a British television channel which launche on digital terrestrial television (Freeview) channel 37 on 29 April 2006. It is carried on multiplex C, and timeshares with Dave. The channel is owned by Cellcast Group. SmileTV has been broadcasting between 3am and 7am since 28 September 2007. Since launch, the channel had been on air between 1am and 5am.