3#FFFFFF imageBG#FFFFFF imagesize256px Legend of the Boneknapper Dragon Genre Format Created by Directed by Creative director Starring Voices of Composer(s) Opening theme No. of seasons No. of episodes list_episodes hideb Executive producer(s) Producer(s) Running time Production company(s) hidec Original channel Audio format Original run ended website imdb_id tv_com_id Legend of the Boneknapper Dragon is a 2010 animated short film by DreamWorks Animation that is a sequel to the feature film, How to Train Your Dragon.