Hey Arnold!

After Arnold accidentally embarasses Sid, Sid seeks revenge. / Eugene wants to ride with the gang, but they all think he's a jinx and won't go with him. Arnold decides to break the cycle of pain and rides with Eugene, but they get stuck.

Grandpa thinks he's going to die soon because no one in his family ever made it past his age. He prepares to die, and Arnold tries to convince him that life is still worth living. / Helga and Miriam get stuck on the road together with no money. They get to know one another and Miriam saves the day when she wins a mechanical bull-riding competition.

Helga, lost in a love reverie, writes "Arnold loves Helga" on a wall, but changes the name to "Lila" when the kids approach. Lila thinks that Arnold loves her until he explains the mistake. Then he falls for Lila and she is forced to break up with him. / The kids all try to outdo each other in a city-wide go-cart race.

Arnold is fed up with the bickering amongst the boarders and sets out to find the true meaning of the holiday.

Arnold tells Grandpa he's tired of dealing with Helga's nonsense. Grandpa tells Arnold a story about a girl he had to deal with when he was a kid who treated him the same way. She turns out to be Grandma. / Arnold is in charge of finding entertainment for the school dance and chooses Dino Spumoni. The kids think its a mistake until Dino belts out his old hits.

Helga does a standup routine at a school function and proceeds to insult all of her friends. They are offended, prompting her to change her act to a more friendly and gentle routine. She performs the new act, but it's boring. She ends up going back to the original vitriol. / A flood strands the kids at school overnight and they reveal some of their most private thoughts and feelings.

Arnold and Helga perform a "Romeo and Juliet"- type play for a school production.

At the Parent's Day competition, Arnold learns that even though he doesn't have "real" parents, his grandparents are just as good as everyone else's parents.

When Arnold is the cause of two birthday parties for Eugene being a big flop, Eugene takes it in stride and chalks it up to his usual round of bad luck. Then when Arnold attempts to throw Eugene a third party, Eugene decides not to show up to avoid it being jinxed./Stinky feels that he is a failure at everything he does until Arnold helps him discover that he is the best pumpkin grower in town.

After winning coupons to a fancy French restaurant, Helga attempts to prove to Arnold that she is more sophisticated than Lila. Only problem is, she accidentally goes to the wrong French restaurant where her coupons are no good. /Helga is devastated when her patsy, Phoebe, is skipped to the 6th grade. With Phoebe gone, Helga desperately searches for a new shadow to take up the slack.

When the gang all decide that they are going to "moon" Principal Wartz, Arnold thinks that it's a bad idea, but ends up inadvertently getting caught and taking the blame./Olga comes to PS 118 to be a student teacher. As fate would have it, she ends up teaching Helga's class. Olga sees this as an opportunity to get to know her baby sister better.

Sid gets in over his head when doing business with the local kid loan shark, Big Gino. When Big Gino forces Sid to work for him, Arnold tries to save Sid from getting into more trouble, but turns Big Gino against him in the process./Gerald's big brother, Jamie O, falls for a girl and suddenly turns nice to his kid brother.

Big Bob pulls his back and cannot go to a very important meeting. Not knowing who else to send in his place, he asks Helga. / When Arnold discovers that Oskar has been pretending to know how to read, Arnold confronts him. Oskar decides that he has gone long enough without knowing how to read, and solicits Arnold's help.