Dolby Digital 5.1., widescreen (1.78:1) presentation, English SDH. Originally broadcast as single episodes of a television program in 2012. Special features: World of Dreamworks; dragon tracker part 2; evolution of whispering death; fly-high dragon mash-up; sneak peeks. Animation director, Raman Hui ; editor, Lynn Hobson. John Laus. America Ferrera, Jay Baruchel, T.J. Miller, Brook Chalmers, Chirstopher Mintz-plasse, Tim Conway, Chris Edgerly, Julie Marcus, Nolan Marcus, Zack Pearlman, Stephen Root, Tom Wilson. English dialogue, optional Spanish or French subtitles ; optional subtitles for the deaf and hard of hearing ; closed-captioned.