Every Pixar movie has introduced its own technical problems, from Hank's tentacle animation in "Finding Dory" to the intense layering of cloth on the skeletons in "Coco." In this episode of "Movies Insider," we take a look at how the unique worlds, characters, and practical challenges brought up by each Pixar movie pushed the studio to expand animation technology. We break down the progress the studio has made over the years in different areas of computer technology, including cloth shading, hair simulation, volumetric clouds, and advanced character rigging. Here's how Pixar improved CG animation with every one of its films from 2012's "Brave" to 2021's "Luca."