You are hereHome How to Train Your Dragon 3 - Dean DeBlois Login with Facebook OR Username * Password * Create new account Request new password 0 No votes yet Directed by: Dean DeBloisScreenplay by: Dean DeBloisRelease year: 2017Genre: FamilyAnimationPrequel: How to Train Your Dragon 2 Log in to rate/review this movie Reviews There are no reviews yet, Be the first to rate this movie.