The Secret of NIMH was the first feature film to be directed by Don Bluth. In September 1979 he, fellow animators Gary Goldman and John Pomeroy, and eight other animation staff left Walt Disney Productions animation department to set up their own independent studio, Don Bluth Productions. The studio worked at first out of Bluth's house and garage, but moved to a two-story, 5,500-square-foot (510 m2) facility in Studio City several months later. After completing work on several shorter projects, including a two-minute animated sequence for the film Xanadu, the studio forged a deal with Aurora Productions, a film-making partnership established