Hey Arnold

Arnold and Gerald willl play as a banana and a strawberry at the school play, directed by Helga. The decide the escape from the play / Arnold accidentally ruins Eugene's new bike.

Helga accidentally drops her book with poems about Arnold among Gerald's books and must recover it before Arnold finds out who the author is / The whole class goes to the aquarium

Helga builds an altar for Arnold, the last thing she needs to complete it is Arnold's hat / Everybody is afraid of the kid that doesn't leave his front porch, until Arnold discovers his secret.

Helga tries to hide her resentment for not being invited to Rhonda's makeover party / Arnold promises his grandma to save the old theatre, the same that Arnold promised Ernie to help demolish.

Connie and Maria, two girls from the sixth grade, invite Arnold and Gerald to the school dance to make their boyfriends jealous / Arnold goes to his favourite baseball player last game: Mickey Kaline.

A heat wave hits the city. The boys go through the tortures of hig temperature, including the ice cream man's overpriced ice cream / It is the first snow of the year and Arnold just wants to play.

Arnold dares to speak to the girl of his dreams. When Helga finds out, she starts her ruthless operation / The gang clean up and empty lot to play baseball, until grown ups show up and take the place

Arnold's plans vanish when he tries doing all his favourite things in the same afternoon / Arnold, Gerald and Helga decide to go the train station to investigate the legend of the haunted train.

Arnold learns the secrets of the martial arts from Grandma after getting held up for his bus pass. Grandpa takes Arnold and Gerald out to the woods to show them how to camp "the old fashioned way."

The neighbours are suspicious about Mr. Smith, who lives in apartment 16. Arnold must protect him from the nosy neighbours / Oskar gets thrown out of the house and ends up living with arnold.

Arnold loves basketball but has troubles with his coach. He helps out the coache's son and with alongside team teach a valuable lesson / Arnold starts spending a lot of time with a kid called Frankie

Arnold and the gang have no choice but to take the subway home after dark / Arnold and the gang set out on a quest to find the hidden treasure of the mysterious "Wheezin' Ed" on Elk Island.

Arnold is given the assignment to tutor Torvald, the toughest kid in Arnold's math class, for the big math test on Friday. Gerald convinces Arnold to allow him to spend the night at Arnold's house.

It's time to crown the spelling champ of the whole city. In one corner, Arnold. In the other, Helga. Arnold's prized pigeon takes ill, and only one person can help-the creepy recluse Pigeon Man.

Helga's older sister Olga, comes home and gets all of her parents' attention, Helga plots to sabotage her sister's visit. Arnold and Gerald try to get a telescope before the arrival of Salley's Comet.

Arnold's pet pig, Abner, escapes while Arnold is sleeping. Arnold brings Grandpa's pocket watch home from the repair shop, but drops it down a hole, which leads him to strange subterranean world.

False Alarm: Eugene is accused of pulling the fire alarm at school. Arnold try to convince other jurors that Eugene can be innocent. World Records: Arnold want to be into a book records.

Helga arruina el acto de magia de Arnold, para luego tener una visión sobre cómo sería la vida sin ella / Arnold golpea accidentalmente a Harold con una bola de béisbol, por lo que se enfrentarán en una pelea.

Gerald becomes Arnold's boss at Mrs. Vitello's Flower Shop and the boys' friendship is put to the test. / For their science fair project Arnold and Helga planned to lock them selves in Grandpa's greenhouse in the back yard for twenty-four hours.

Helga tries to find the perfecr christmas gift for Arnold, while Arnold tries to locate Mr Hyunh's long-lost daughter.