Roco Kingdom 4 (Chinese: 洛克王国4:出发!巨人谷) is a 2015 Chinese animatedfantasyadventure film directed by Hugues Martel and Dongbiao Cao and part of the Roco Kingdom film series. The film was released on 13 August 2015.[2] It was preceded by Roco Kingdom 3 (2014).[3]