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 Four BBC Four BBC Four is a British free-to-air television channel operated by the British Broadcasting Corporation. It was launched on 2 March 2002, with a schedule running from 7:00pm to 4:00am. The channel shows "a wide variety of programmes including comedy, documentaries, music, international film, original programmes, drama and current affairs ... an alternative to programmes on the mainstream TV channels". It is required by its licence to air at least 100 hours of new arts and music programmes, 110 hours of new factual programmes and to premiere 20 foreign films each year. BBC Four launched on 2 March 2002