Scene question

In which part of the movie were that guy and girl were on a date (her name was Della) and he brought a big huge bucket of hot popcorn down to her saeat abnd said hey Della dig this buttered hot popcorn, there is nothing I dig more. Then Della said after this bucket we get a free refill bucket, and Della squeeled happily . And Fishbone had a root beer float. I went to the washroom during les film and missed this part and I knbow it was inthe book