Rhonda uses her origami marriage predictor to tell who will marry who within the gang. Everyone becomes curious. Except Arnold who refuses to take the test, until Rhonda peeks his curiosity by telling him that it might predict that he will marry Lila.
Harold, Stinky and Sid steal rockets out of the science lab at school and set them off outside of an old Police Station./The deli shop where Mr. Hyunh works has a new owner and he's looking for a new head chef whose a real family man.
On the anniversary of his parent's disappearance, Arnold decides to give up hoping that they will ever return home. But while packing away their keepsakes in the attic, Arnold finds his father's old journal.