User blog comment:MrTyeDye/Fanfiction: Peeking Through the Fourth Wall (Episode 4)/@comment-24338100-20170814152602

That's odd. The opening line made Lisa look like another sister joining Lincoln, even though she appeared in every episode thus far.

Not only that, this is also the first episode that the older sisters doesn't giggle at an innuendo. The reason why was because there wasn't any present.