While the entire video of this is about 45 minutes long, it's so worth it.
http://wildgrounds.com/2011/06/09/another-look-at-anime/
This goes into the details of animating a series- how some scenes are a little more choppy and uneven, but also goes into how the scenes that need a little more love to make a bigger impact are given to master animators (Sakuga). It's absolutely fascinating!