Based on the book by Cressida Cowell.
Originally released as a motion picture in 2010.
Production designer, Kathy Altieri ; editors, Darren Holmes, Maryann Brandon ; music, John Powell.
Voices: Jay Baruchel, Gerard Butler, Craig Ferguson, America Ferrera, Jonah Hill, Christopher Mintz-Plasse, TJ Miller, Kristen Wiig.
DVD, region 1, widescreen, Dolby digital 5.1 & 2.0 surround.
Audio and subtitles in English, French or Spanish ; closed-captioned ; audio description track in English.