Weekend World. It continues until 1988. 2 October – Following the lifting of restrictions on broadcasting hours, BBC1 and ITV are allowed to begin broadcasting during the day. BBC1's afternoon schedule launches with the first edition of a new lunchtime magazine programme Pebble Mill at One. 16 October – ITV launches its afternoon service. As part of the new service the first edition of Emmerdale Farm is broadcast, produced by Yorkshire Television and ITV's first lunchtime news programme, First Report, is shown. ITV Schools is now shown in a single morning block, between the hours of 9:30am and 12pm. 23 October – The BBC announces that development work has begun on the Ceefax teletext service. November 5 November – BBC2 begins showing the horror anthology series Dead of Night with the episode "The Exorcism". 12 November – ITV broadcast the first episode of the influential children's programme Rainbow featuring the characters "Zippy", "George" and "Bungle the Bear". December 15 December – The Roy Castle and Norris McWhirter hosted children's TV show featuring world record attempts, Record Breakers debuts on BBC1. 25 December – BBC2 shows the supernatural drama The Stone Tape. 30 December – The BBC airs part one of The Three Doctors, a four-part serial of the science-fiction programme Doctor Who created to celebrate its tenth series (the tenth anniversary will not be until 23 November of the following year). Unknown The BBC Schools and Colleges service is converted to colour and started using the Diamond ident which stays until 1977. The UK's Minister for Posts and Telecommunications authorises five experimental community cable television channels. London Weekend Television opens its purpose-built studios called The London Studios although they are not fully operational until 1974. Debuts BBC1 3 January – Mandog (1972) 6 January – The Brighton Belle (1972) 9 January – Engelbert with the Young Generation (1972) 13 January – The Adventures of Sir Prancelot (1972) 16 January – The Moonstone (1972) 3 February –Six with Rix (1972) 11 February – The Scobie Man (1972) 14 February – Fingerbobs (1972) 19 February – The Befrienders (1972) 20 February – Anne of Green Gables (1972) 21 February – The Regiment (1972–1973) 1 March – Crystal Tipps and Alistair (1972–1974) 10 March – The Brothers (1972–1976) 13 March – Spy Trap (1972–1975) 23 March – It's Murder But Is It Art? (1972) 4 April – Newsround (1972–present) 5 April – Lord