Hey Arnold!

On a creepy Halloween night, the neighborhood comes down with alien fever when Arnold and Gerald broadcast a mock radio show warning of a spaceship landing. At the same time, Helga and the gang go trick or treating in cool costumes- dressed as space aliens! Arnold and Gerald must come to the rescue before their friends come to a spook-tacular demise!

After the results of an aptitude test are announced, Harold gains self-confidence and Helga feels dumber. / Arnold is instrumental in persuading Oskar to actually get off his butt and get a temporary job.

Curly gets enraged after a minor playground mix-up. He locks himself in the principal's office and refuses to come out. / Phoebe has a secret crush on a pop star.

Stinky's simple life changes after he becomes the surprise new spokesman for Ya-Hoo Soda. / Olga brings home her surprise fiancee who wins over everyone except Helga.

Arnold seeks out his favorite author who turns out to be quite opposite of her sweet and sentimental books. / A rich kid joins Arnold's class. Arnold and the gang tell him what life in the big city is really like.

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. / After Harold shoplifts some meat from the butcher shop, he is sentenced to work off his punishment. Harold realizes he has discovered his calling and that he wants to become a butcher.

Arnold accidentally breaks a promise he made to Iggy and must deal with the consequences. / Big Bob hires a nanny for Helga. Helga fights the nanny at her own game and forces her to leave.

Arnold becomes a hot (and dangerous) hitter. He keeps injuring people everytime he swings the bat. Afraid of hurting more people, Arnold refuses to play ball. Mickey Kaline helps him out. / Arnold and Gerald manage the career of the most unlikely country-and-western singer, Mr. Hyunh.

Arnold lends Sid his room for one evening, but the arrangement backfires when Sid keeps on borrowing the room. / Helga and Patty (the big girl) face off.

All the kids are paired with adults with interesting jobs except Arnold, who is forced to spend time with the Jolly Olly Man. / Harold believes it's his life's calling to become a butcher, but he slowly drives Mr. Greene, the butcher, crazy.

Grandpa becomes tired of dealing with the boarding house and decides to sell. Arnold has to convince him how important it is for everyone to remain in the boardinghouse and what they would lose if it was sold. / Gerald has his tonsils removed before a big concert and must come to grips with the fact that his voice has changed.

Phoebe agrees to take a dive so that Helga can win a competition. She later regrets her decision and a contrite Helga ultimately makes sure Phoebe takes the prize. / The boys engage in a recreation of a historical battle, only this time their prized pig is in danger of losing his life.

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. / Rhonda has a party and only invites the cool kids. Arnold attends, but realizes her party is only for snobs. He leaves and has his own party with his buddies and eventually Rhonda realizes that "geek" is cooler than "cool."