Made in 1939, this short documentary takes viewers inside the Walt Disney Studios at the height of the Snow White era, showing the assembly-line process behind hand-drawn animation. Cameras follow story artists sketching gags on storyboards, animators posing at their desks with mirrors to study their own expressions, and inkers and painters transferring drawings onto celluloid sheets by hand. The multiplane camera gets a demonstration, stacking layers of artwork at different depths to create the illusion of three-dimensional movement, a technique Disney had just introduced with Snow White and the Seven Dwarfs. Voice actors record dialogue in a booth while animators watch through glass, timing mouth movements to match. The film moves department by department, from concept sketches to the final cel photographed frame by frame, narrated in the plain instructional style typical of era studio productions. It stands as a rare contemporary record of a process that made Disney's features possible, before any of it was automated or digitized.