Klaus (2019) -
It educates the audience on the technical innovation that made the film a modern masterpiece.
Since Klaus famously used groundbreaking lighting and texturing tech to make 2D animation look 3D, a "behind-the-scenes" player mode would be incredible. Klaus (2019)
A real-time toggle during playback that strips away the advanced lighting layers to show the raw, hand-drawn 2D "ink and paint" underneath. It educates the audience on the technical innovation