The first episode of any show needs to be interesting and entertaining. This is a good example of that.
It absorbs you into Pretear, allowing the viewer to become familiar with the show's tone and basic plot. It's a very good introduction to what is to come. It lets you meet all of the main protagonists and even introduces their personalities a little bit, which is a big accomplishment for a first ep.
Basically, if you like the first episode, you will most likely enjoy the rest of the short-lived show as well (and vise versa). It's packed with humor, emotion, and hints at everything that is later to come in the show.