There is both laughing and crying to be done during The Lord of the Rings, but one goof is even funnier for appearing twice. Although Peter Jackson's Hobbit and Lord of the Rings movies are some of the best fantasy pictures in existence, they make mistakes too. Adapting the three-part novel by English high fantasy originator J.R.R. Tolkien was an involved task, involving condensing ample subject matter, cutting many characters, and amplifying the roles of others. Despite the many changes Jackson made, one of his biggest mistakes was actually on set.