The 2D animated film is delighting anime fans ... and a lot of facial expressiveness in the characters. The striking backgrounds were inspired by neo-impressionist painting.

Narrator: This is 2D hand-drawn animation. [horns toot] And this is ... Some films even mix dimensions by adding 3D characters and background objects to 2D films. Disney's "Beauty and the Beast ...

Narrator: When the animation process for Netflix's "Klaus" began, it looked something like this. It eventually started looking like a pretty impressive 2D film. But then the animators went one ...