While feeling the effects of laughing gas, Helga leaves a confessional message of love on Arnold's phone machine. / After Harold shoplifts some meat from the butcher shop, he is sentenced to work off his punishment.
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. / Arnold & Gerald manage the career of the most unlikely country-and-western singer, Mr. Hyunh.
Grandpa becomes tired of dealing with the boarding house and decides to sell. Arnold has to convince him otherwise. / Gerald has his tonsils removed before a big concert and must come to grips with the fact that his voice has changed.
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.
Sid is wrongfully accused of a school prank and is expelled. Sid seeks revenge on Principle Wartz. / 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.
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.
Helga does a standup routine at a school function and proceeds to insult all of her friends. / A flood strands the kids at school overnight and they reveal some of their most private thoughts and feelings.
Phoebe agrees to take a dive so that Helga can win a competition, but she comes to regret her decision. / The boys engage in a recreation of a historical battle, only this time their prized pig is in danger of losing his life.
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.