He is perhaps best known in the United Kingdom for his BBC 1 chat show Wogan , for his work presenting Children in Need , as the host of Wake Up to Wogan , and as the BBC 's commentator for the Eurovision Song Contest from 1980 to 2008 . He is perhaps best known in the United Kingdom for his BBC 1 chat show Wogan , for his work presenting Children in Need , as the host of Wake Up to Wogan , and as the BBC 's commentator for the Eurovision Song Contest on radio and television from 1971 to 2008 .