Home People Dean DeBlois Dean DeBlois movies Dean DeBlois movies Dean DeBlois Movies (22) How to Train Your Dragon: The Hidden World (2019) As Director. He was 48 years old How to Train Your Dragon: The Hidden World (2019) As Executive Producer. He was 48 years old How to Train Your Dragon: The Hidden World (2019) As Screenplay. He was 48 years old How to Train Your Dragon: The Hidden World (2019) As Story. He was 48 years old The Other Side of the Wind (2018) As Co-Producer. He was 48 years old The Boss Baby (2017) As Thanks. He was 46 years old Floyd Norman: An Animated Life (2016) As Himself. He was 45 years old Where No One Goes: The Making of How to Train Your Dragon 2 (2015) As Himself. He was 44 years old How to Train Your Dragon 2 (2014) As Director. He was 44 years old How to Train Your Dragon 2 (2014) As Executive Producer. He was 44 years old How to Train Your Dragon 2 (2014) As Writer. He was 44 years old Dragons: Gift of the Night Fury (2011) As Executive Producer. He was 41 years old Jónsi: Go Quiet (2010) As Director. He was 39 years old How to Train Your Dragon (2010) As Director. He was 39 years old How to Train Your Dragon (2010) As Screenplay. He was 39 years old Heima (2007) As Director. He was 37 years old The Story Room: The Making of 'Lilo & Stitch' (2005) As Himself. He was 35 years old Lilo & Stitch (2002) As Director. He was 32 years old Lilo & Stitch (2002) As Writer. He was 32 years old Atlantis: The Lost Empire (2001) As Story Artist. He was 31 years old Micronauts (2021) As Director. He was 50 years old Micronauts (2021) As Screenplay. He was 50 years old