Uh-oh. “The Lord of the Rings: The Two Towers” (**** out of four stars, rated PG-13 for epic battle sequences and scary images) is now out on DVD, but we’re still not finished with the 24 hours of extras on the extended-edition DVD of the first film, “The Fellowship of the Ring.” (We were slowed a little by the gaffer’s audio commentary and by the short film “Behind the Scenes of ‘The Making of “The Making of ‘The Fellowship of the Ring.’ ” ‘ “) [More]