The one before it was somewhat cool, but I hate the way they put in Orochi and Kabuto in there, but then go "Oh, wait, they're imposers" on the next episode. The filler is somewhat subpar, but it was much better than the "let's find out what Kakashi's face looks like" episode.
Rosalina: But you didn't.
Robert: But I DON'T.
Rosalina: You sure that's right?
Robert: I was going to HAVE told you they'd come?
Rosalina: No.
Robert: The subjunctive?
Rosalina: That's not the subjunctive.
Robert: I don't think the syntax has been invented yet.
Rosalina: It would have had to have had been.
Robert: Had to have...had...been? That can't be right.