BBC the presentation is mostly carried out locally on BBC One and Two, and where programme schedules can vary greatly from that of the network. BBC Two variations exist in the Nations; however, English regions today rarely have the option to opt out as regional programming now only exists on BBC One. BBC Two was also the first channel to be transmitted on 625 lines in 1964, then carry a small-scale regular colour service from 1967. BBC One would follow in November 1969. A new Scottish Gaelic television channel, BBC Alba, was launched in September 2008. It is also the first
BBC Switch BBC Switch BBC Switch was the brand for BBC content aimed at UK teenagers. The brand launched on Saturday 20 October 2007 on BBC Two and ceased broadcasting on 18 December 2010. It included a block of television programmes on BBC Two, an online portal, and programming on the BBC's youth radio station, BBC Radio 1. It was BBC Two's second programming block aimed at teenagers, following on from DEF II. Four programmes were originally shown as part of BBC Switch on Saturday afternoons on BBC Two. "Sound" was a weekly music entertainment and chat show presented by Annie Mac