The Importance of Retouching the Original Drawing

I've noticed that a lot of Blu-ray releases have retouches. That's called DVD retakes. And actually, when you show on TV, so for people who want to buy the DVD, there is a plus, and the plus of the bonus is a better drawing. So animation, read-on. It's more polished. For us, this cat, we cannot do 100% what we wanted. So let's redo it. Oh, this one, oh, just mess up on the eyes, so let's redraw the eyes. Right, okay. Wow.