an Entity references as follows:
Lines From My Grandfather's Forehead, is a British comedy radio sketch show, first broadcast on BBC Radio 4 in 1971. Two series of eight episodes were broadcast, the first from 15 February 1971 to 5 April 1971, the second was transmitted from 9 July 1972 to 26 July 1972. In addition, there were two special episodes. A Christmas special, entitled Lines From My Grandfather Christmas's Forehead, was broadcast on 24 December 1971; and a compilation of selected items from past editions, under the title Just A Few Lines From My Grandfather's Forehead, was broadcast on 27 August 1977.