A roller coaster breaks down while Eugene and Arnold are at the top of its tallest drop.

The Coach wants to remarry Tish and asks Arnold to be his best man. Along the way, Arnold teaches the coach a thing or two about love and sacrifice.

The town is flooded and Arnold's class is trapped in the school.

Lorenzo, a neurotic rich kid, comes to P.S. 118. All the kids try to help him become an average kid.

After Sid works off a debt with loan shark Big Gino, the two become friends, but when Sid is told to give Arnold a swirlie, he has to choose between the two.

Gerald's older brother Jamie O has a sudden burst of kindness when he finds a girlfriend, but Arnold and Gerald soon find out that the girl is just using Jamie O.

After losing Eugene's birthday party invitations, Arnold feels obliged to throw him another party, but it doesn't work out.

Phoebe is promoted to the sixth grade, but realizes that her new so-called "friends" are just using her to do their homework.

Crisis strikes when Gerald's little sister, Timberly, eats a stock of chocolate turtles that he and Arnold are supposed to sell for a local scout organization.

Harold, after discovering his friends think he is obese, decides to go on a weight-loss cruise. When he comes back, though, he is noticeably larger.

Helga becomes a model, but she quits after she gets irritated at everyone dressing like her.

Helga and Harold must return to town on their own after the bus leaves them behind after a school trip to a chocolate factory, and Helga has tickets for a wrestling match and she can't be late.

Gerald's Ghost Bride story inspires the other boys to venture into the cemetery at night, but they may have bit off more than they could chew, because they're hunted down by two different Ghost Brides.

Gerald gets jealous because he thinks Jamie O. is trying to steal the girl he likes, when, actually, the girl likes Jamie O.

Phoebe gets embarrassed after she "passes gas" in front of a microphone.