What film in the HTTYD franchise was written and directed by Dean DeBlois?
How to Train Your Dragon 2: How to Train Your Dragon 2 is a 2014 American 3D computer-animated fantasy action film produced by DreamWorks Animation and distributed by 20th Century Fox, loosely based on the British book series of the same name by Cressida Cowell. How to Train Your Dragon 2:  The film is written and directed by Dean DeBlois, and stars the voices of Jay Baruchel, Gerard Butler, Craig Ferguson, America Ferrera, Jonah Hill, Christopher Mintz-Plasse, T.J. Miller, and Kristen Wiig, with the addition of Cate Blanchett, Djimon Hounsou, and Kit Harington. How to Train Your Dragon (franchise): How to Train Your Dragon franchise (also referred to as simply HTTYD) from DreamWorks Animation consists of two feature films "How to Train Your Dragon" (2010) and "How to Train Your Dragon 2" (2014), with a third and final planned for a 2019 release.
How to Train Your Dragon 2