In most TV animation, the actual "animation" part is done out of house. Whether that is in another city or another country depends on the studio. In order to convey exactly what needs to be drawn, Every single frame is listed on "x-sheets. read more
The X- sheets convey everything from when the characters on the screen blink, to when they walk, how fast they walk, how many steps they take, if their hair is blowing in the wind and exactly how fast their hair is blowing, and if they are talking while doing so. The red line in the image is a cut. read more