All this talk about the new Robin Hood movie makes me wonder where the notion that he went on Crusade comes from. It's not in the ballads, not in the Howard Pyle telling, not in the Errol Flynn movie. The first place I can think of it appearing is in Richard Letster's 1976 movie "Robin and Marion." But since then, it's part of almost every large-scale treatment, seems to me. Anyone know how it crept in?