The school is having a science fair and Arvid, Dennis and Sarah all plan to enter. But they all inadvertently sabotage each other's project and try to cover it up. And Moore learns about this and tries to get them to admit the truth but can't.
The Schools Newspaper is in need of work, so the class nominates Simone to be the Editor-in-chief which quickly goes to her head. Meanwhile Eric fabricates a story which quickly over shadows Simone, much to her dislike.
When the class learns that a boy genius is considering coming to Fillmore, they fear that one of them might have to leave the IHP. So they each point the finger at whom they think should go.
A series of disturbances occur in the classroom. Janice claims they are the result of a poltergeist but instructor Charlie Moore is doubtful and is determined to get to the bottom of the problem.
When the students undergo psychological testing they each discover they have undesirable traits. When their teacher Mr. Moore tells them there is nothing wrong with them they convince him to take the same tests.
A chance to appear on a conservative talk show is open to all the students. But when Dennis is chosen it's afraid he will act the clown and embarrass the school. Mr. Moore is urged to intervene.
Mr. Moore and Arvid both attend a Woody Allen film festival to deal with their romantic woes. And it seems that what happened parallels to one of Woody's films.
Arvid's pen pal Nancy of six years is coming to visit and he should be excited. But he sent her Eric's photo so he get the entire class to go along wih the deception. When she falls for Eric and his charms Arvid regrets the subterfuge.
Janice decides to challenge Kristina for 1st cello but breaks a string during a crucial. Despite the rules Janice feel mistreated, carrying her animosity to even having orchestra director Mr. Kimball's job threatened. Mr. Moore tries to get her to see her way is misguided.
It's Parent's Day when the parents of the students come and see how their children are taught. Eric's father shows on the wrong day and Eric doesn't appear to be proud of him. He later shows up on the right day and Moore tries to get Eric and his father to talk.
The class finds Alan despondent. He's been dumped by his girlfriend and unable to think straight. Darlene tells Alan something unexpected. The debate comes down to Alan's performance.
When an instructor in a marriage class gives what Mr. Moore feels is simplistic answers, he walks out. It's discovered he is still bitter about his divorce.