Hey Arnold!

Actors Arnold and Gerald are stranded downtown dressed as fruit; Arnold wrecks Eugene's bike.

Gerald finds Helga's journal; Arnold conspires to free a tortoise.

Helga commandeers Arnold's hat; Fear makes a boy a bully.

Helga gives herself a new look; Grandma is upset over the demolition of a theater.

Sixth-graders invite Arnold and Gerald to a dance; Arnold snags a home-run ball.

Record heat sets all on edge; Snowy day.

Helga ruins Arnold's romantic efforts; Arnold and friends decide to clear out a vacant lot to play baseball on, but the adults take over it, and use it for their own reasons.

Arnold attempts to do something that no other kid has done before - completing the entire list of a kid's perfect Saturday!; Grandpa tells the kids a spooky tale.

Arnold learns self-defense; Grandpa takes the boys camping.

All of the borders get very curious to what is inside the very personal Mr. Smith's package; Oskar gets kicked out of Suzie's room, so Arnold tries to get them back together.

Arnold tries to find Mr. Hyunh's daughter (who was separated from him during the final days of the Vietnam War) as he carries out his duty as Mr. Hyunh's secret Santa. Meanwhile, Helga must choose between a Christmas present for herself and the perfect gift for Arnold.

Arnold and the gang play on a basketball team, but their coach tells them to only throw the ball to one person, his son, Tucker; An older cool guy befriends Arnold.

Everyone decides to take the subway home, but disaster strikes when they find themselves trapped in it; Arnold convinces the gang to go to Elk Island, where, unknown to them, two men are plotting a counterfeit coin scheme.

Arnold tutors the class bully; A friend stays overnight.

Arnold and Helga compete in a spelling bee; When Arnold's pigeon gets sick, he takes it to "Pigeon Man", a person surrounded by pigeons who lives on a rooftop.

Helga plots sibling sabotage; Arnold and Gerald must turn off all the lights in the city if they want to see Sally's Comet.

Arnold must find a way to recover his pig pet Abner after he runs away.; Arnold loses Grandpa's watch inside the sewers.

Arnold defends Eugene in student court; The kids try to get in the book of world records so much that they would do anything.

Arnold gives an amateur magic show behind the boarding house and, for his big number, makes Helga actually disappear; Arnold hits Harold with a baseball, so Harold promises Arnold that he'll beat him the next day.

Arnold gets a date with both Ruth (The girl he likes) and Cecile (his pen pal, who's actually Helga in disguise), but later the real Cecile shows up.

Helga is free of her obsession; Arnold teaches Gerald to ride a bike.

Arnold and Helga compete as editors; Harold finds a lost cat.

school hazing; Arnold kills Eugene's pet fish.

Helga is scratched by a monkey; Arnold and Gerald go fishing.

Timberly's doll is missing; Helga's new classmate.

Arnold saves Sid from injury; Arnold and Gerald play hookey

Arnold and Gerald play detective; Phoebe copies a poem for school

Touch football game; Gerald moves into Arnold's boarding house

Gerald encounters money problems; Rhonda and Nadine's friendship is on the rocks

Arnold and Gerald's radio show creates havoc on Halloween

Arnold trains Grandpa to take on his old Chinese checkers nemesis, Robby Fisher; Miriam visits her mother after learning that Big Bob and Helga are on vacation at the same time

Arnold competes in an eating contest; Rhonda gets glasses

Helga hires Stinky to make Arnold jealous; Arnold has a crush on a substitute teacher

Phoebe becomes a hall monitor; Harold's bar mitzvah approaches

Bowlers Arnold and Gerald ask basketball coach Wittenberg for pointers; Arnold and Gerald go on a ghost hunt in the boarding house

Eugene makes an unpleasant discovery; a class trip to the opera

Arnold and Gerald enter a toy-boat race; children settle a strike

Helga's dad sponsors Arnold's float; Feuding musicians move in

Under the influence of laughing gas, Helga leaves a message for Arnold; Harold shoplifts a ham

Hot hitter Arnold considers leaving baseball; Arnold manages country singer Mr. Hyunh

Grandpa decides to sell the boarding house; a tonsillectomy changes Gerald's voice

Sid borrow Arnold's room to impress Lorenzo; Big Patty challenges Helga to fight

Stinky makes a soda commercial; Olga's fiance wins over everyone but Helga

Curly takes the kickballs hostage; contest-winner Phoebe gets to meet a pop star

At 81, Grandpa prepares to die; penniless Helga and Miriam break down on the road

Wrongly accused Sid seeks revengs; Arnold and Eugene the jinx ride a roller coaster

Aptitude test results get switched; lazy Oskar gets a job

Cool Iggy sleeps in bunny pajamas; Helga declares war on a practically perfect nanny

On career day, all but Arnold have fun jobs; Harold and Patty become friends

The coach asks Arnold to be his best man; Rhonda has a party

Helga's rumor takes on reality; cart race

Arnold is fed up with bickering among the boarders and looks for the essence of Thanksgiving

Helga's comedy routine alienates her friends; a flood strands the kids at school

Phoebe agrees to let Helga win an academic competition; Arnold's pig stars in a battle re-enactment

Arnold and Gerald both get jobs in a flower shop; Helga and Arnold get locked in Grandpa's greenhouse

An author's personality belies her books; Arnold tries to help a neurotic new kid

Grandpa tells of his youthful girl-trouble; Arnold books a has-been for the school dance

To kiss Arnold, Helga schemes for the part of Juliet in the school play

Arnold takes the blame for a prank; Olga teaches with Helga

Sid does business with a loan shark; Jamie is being used

Eugene decides not to go to his own birthday party; Arnold makes Stinky feel better

Miriam goes to an important meeting; Arnold teaches Oskar to read

Helga goes to the wrong restaurant; Phoebe is moved into the 6th grade

Helga confides in a bird; Timberly ears some candy

Arnold takes Lila to a cheese festival; Harold wants to lose weight

Grandpa returns back to school so he can graduate; Mr. Simmons gives the class an assignment to couple up and take care of an egg over the weekend to learn teamwork and responsibility

Helga becomes a fashion star; the gang stops listening to Arnold's advice

Arnold and Grandpa get into an accident; Rhonda and Patty end up at the same school

Lila likes loser Cousin Arnie; Susie tends her cousin's baby

Grandpa's sister vists; the gang takes up synchronized swimming

Helga sleepwalks to Arnold's house; Fighting Families contest

Arnold and the boys tell scary stories; everyone is having bad luck

Someone recommends counseling for Helga

A superhero saves Arnold; Harold and Helga miss the bus while on a class trip.

Helga tries to be like Lila; Mr. Green runs for city council.

A movie spooks Sid; Olga is jealous of Lila

The guys find a bag of money; the principal quits

A bully threatens Wolfgang; Phoebe rescues Helga from a speeding bus

Arnold asks Grandpa about his missing parents

Helga loses her locket; Sid worries about germs

Harold hates school; Ernie falls in love with a magazine model.

Arnold and the Patakis end up at the same beach for summer vacation.

Arnold gets stuck in a tree helping Eugene; boastful Rhonda learns her family is suddenly poor.

Arnold hits Helga with a baseball; Grandpa gets a visit from an old friend.

Arnold visits his cousin Arnie; Wolfgang makes a deal with Chocolate Boy.

Harold lose an arm-wrestling match to Patty; Arnold catches an airborne hockey puck.

Arnold dislikes Gerald's new favorite game; the boys go fishing.

Harold, Stinky, and Sid think that they blew up the police station; Arnold pretends to be Mr. Hyunh's son.

Mr. Hyunh, Oskar, and Ernie purchase a race horse; Curly gets Rhonda to act like his girlfriend.

Timberly has a crush on Arnold; Eugene gets the lead role in the school musical.

The gang gets a scare visiting a cemetery at night; Gerald's crush likes his older brother.

The Knowledge Channel wants to make a documentary of a typical day in Mr. Simmons' class; Big Bob decides to completely change his life

Grandpa's car is stolen when he enters it in a classic car competition; Phoebe has an embarrassing moment while accepting an award.