Billy is not a great speller, but when luck has it and he knows how to spell the word responsibility, he is chosen to represent Busytown at a big spelling bee. Huckle, Lowly, and Hilda help Billy become a great speller, but on the big night, Billy chickens out... until Lowly reminds him of the word that got him here in the first place and Billy realizes it's his responsibility to do his best: and he does!