It's time for some musical fun in these special episodes of Nickelodeon's popular preschool series about a loveable clue-leaving pup named Blue. Musicians Toni Braxton, Macy Gray, India Arie, and They Might Be Giants guest star in the gang's backyard concert "Bluestock," while "Skidoo Adventure" features some great sing-along fun. The DVD edition includes 2 bonus episodes: "Morning Music" and "A Surprise Guest."