premise: Byron Howard retired from film directing forever in 2002.
hypothesis: Bolt is a 2008 American computer animated road-comedy-adventure film produced by Walt Disney Animation Studios and released by Walt Disney Pictures . Byron Howard . He is best known as the co-director of Bolt ( 2008 ) , Tangled ( 2010 ) , and Zootopia ( 2016 ) , and a supervising animator on Lilo & Stitch ( 2002 ) and Brother Bear ( 2003 ) .