In 1976 , Waddell switched to the BBC .
Waddell 's prior experience with televised darts Waddell him to become one of the commentators on the first World Professional Darts Championship when it began in 1978 .
In 1976 , Waddell switched to the BBC and his prior experience with televised darts helped him to become one of the commentators on the first World Professional Darts Championship when it began in 1978 .