They are all sitting at the dinner table and the Hanovers ask if they had ever traveled anyplace, Jim Bob said that John Boy had danced all night and that his mother didn't like it. The only problem is that the dance marathon Jim Bob was referring to doesn't happen until the next episode.
When John Boy sits down at the dinner table next to Alicia she picks up his plate and then uses her own fork to serve him some meat. Only one small piece too.