Eugene is accused of pulling the fire alarm. In the school court, the jury thinks Eugene is guilty except for Arnold, who believes there is a shadow of a doubt.

When the kids make their new teacher, Mr. Simmons, quit his job, the replacement makes them realize what they lost.

Gerald and Arnold get on the case when Timberly loses her Barney-esque doll.

Arnold and Gerald send the neighborhood alien crazy as they broadcast a mock Halloween radio show.

Helga and Arnold fall asleep and have their own "parody/dream" of the opera Carmen.

While feeling the effects of laughing gas, Helga leaves a confessional message of love on Arnold's phone machine. She then has to get into the boarding house in order to erase the message.

Curly gets enraged after a minor playground mix up. He locks himself in the principal's office and refuses to come out.

Rhonda holds a cool-people-only party at her house. In retaliation, Arnold and his friends hold a "geek" party on the roof of his boarding house further up the street, leaving Rhonda's party deserted.

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

The school is doing the play "Romeo and Juliet". Arnold lands the role as Romeo so Helga will do anything to beat out other girls to get the part of Juliet, so that she can kiss Arnold in the final scene.