Talk:Nightmare Hospital/@comment-4929778-20150825033508/@comment-25349864-20150828081220

A single episode having an enemy that week isn't the same thing as the One Enemy Per Week trope. That would mean that the entire show, or a very, very large part of it, has one new enemy that they pursue and defeat each week, in a cookie-cutter fashion. Steven Universe isn't like that at all.

Historical Friction certainly isn't filler, as it sheds some light on Beach City's past and has the Temple Fusion appear as a cameo. Steven Universe is all about foreshadowing and this will obviously hold some importance in the future, especially that monster that "attacked" Jamie - it appeared to have gem bits all over its tentacle, after all. We also get to see some character development for minor characters - Jamie and Mayor Dewey.

Onion Trade is similar in that it features some character development for a minor character; Onion. It also sheds light on his relationship between him and his father.

An episode doesn't have to be groundbreaking for it to not be filler. There has been some kind of conflict to resolve in every episode.