When Hiccup and Toothless discover an ice cave that is home to hundreds of new wild dragons and the mysterious Dragon Rider, the two friends find themselves at the center of a battle to protect the peace.
May 16, 2014 (Cannes Film Festival (France)) Jun 7, 2014 (Seattle International Film Festival (USA)) Jun 9, 2014 (Sydney Film Festival (Australia)) Jun 9, 2014 (Los Angeles Film Festival (USA)) Jun 15, 2014 () Jun 16, 2014 (Buenos Aires premiere (Argentina)) Jul 3, 2015 (DVD and Blu-ray premiere (Japan)) Oct 30, 2019 (Tokyo International Film Festival (Japan))