Hey Arnold!

Season 1

S01E01Downtown As Fruits Eugenes Bike Not looking forward to performing in Helga's "The Four Food Groups" musical, Arnold and Gerald decide to take the bus a few stops too many, but end up stuck downtown. S01E02The Little Pink Book Field Trip When Arnold accidentally ruins Eugene's new bike, he takes Eugene out on a day of fun, thinking that "every geek deserves his day". S01E03Arnolds Hat The Stoop Kid When Helga loses her pink book, full of love poems about Arnold on the bus, it ends up in Arnold's hands. Now Helga must get it back before Arnold figures out who wrote the poems. S01E04Helgas Makeover The Old Building The kids are really looking forward to their field trip to the aquarium - especially when they remember the scary Lock Jaw from their last trip. But, when they get there, they see that Lock Jaw isn't really that scary. Arnold notices how neglected the old turtle looks, and returns later with Grandma to set it free. S01E05Sixth Grade Girls The Baseball An obsessed Helga steals Arnold's hat to complete her shrine to Arnold, which is hidden in the back of her closet. But, she notices how miserable Arnold is without his hat, and decides to give it back to him. S01E06Heat Snow Arnold's hat lands on the stoop of "Stoop Kid," - a bully who has lived his whole life on his stoop, and is highly protective of it. But, when it's Arnold's fault that Stoop Kid becomes the joke of the city, he must help Stoop Kid face his biggest fear - leaving his stoop for the first time. S01E07Operation Ruthless The Vacant Lot Helga is annoyed when Rhonda doesn't invite her to her slumber party - everybody assumes that "girly" parties aren't Helga's style. So, Helga is determined to prove her wrong, and gets a makeover. S01E08The List The Haunted Train Arnold is asked by his Grandma to help save an old building, and then asked by Ernie to help knock the building down! Who will Arnold decide to go along with? How can he get out of this tricky situation? S01E09Mugged Roughin It Two girls from the sixth grade who are tired of the way that their boyfriends treat them, decide to take Arnold and Gerald to the school dance, but only to make their boyfriends jealous. S01E10Door 16 Arnold as Cupid Arnold's favorite baseball player is playing his last game, so he decides to go and see his last game. The only problem is that he winds up with terrible seats. S01E11Bench Warmer Cool Jerk Arnold has a really bad day - the city is suffering from a heatwave, and whatever he does, Arnold just can't seem to get cool. S01E12Das Subway Wheezin Ed Snow hits the city and Arnold can't wait to get out and have some fun... but wait, there's chores to be done... and when there done Arnold has the time of his life playing Hockey with the "crew." S01E13Tutoring Torvald Gerald Comes Over At the Annual Cheese Fair, Helga tries her best to keep Arnold well away from Ruth - a girl who Arnold has a crush on. S01E14The Spelling Bee Pigeon Man 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. S01E15Olga Comes Home Salleys Comet Arnold attempts to do something that no other kid has done before - completing the entire list of a kid's perfect Saturday! But, unfortunately, things don't go quite to plan. S01E16Abner Comes Home The Sewer King When the kids complain of being bored, Grandpa tells the story of the Haunted Train. So, the kids decide to go and see if the train exists for themselves. S01E17False Alarm World Records When Arnold gets mugged in the street, Grandma teaches him how to defend himself, but the training and fighting starts to get to his head. S01E18Magic Show Twenty Four Hours To Live Grandpa, Arnold, and Gerald are all going on an old fashioned camping trip... until Big Bob, Helga, and Phoebe show up with luxurious camping equipment. S01E19Part Time Friends Runaway Float All of the boarders get very curious to what is inside the very personal Mr. Smith's package. S01E20Arnolds Christmas Oskar gets kicked out of Suzie's room when they get into an argument, so Arnold tries to get them back together when Oskar moves into Arnold's room.

Season 2

S02E01Helgas Boyfriend Crush on Teacher Arnold and the gang must stop Big Bob from chopping down the oldest tree in town. S02E02Hall Monitor Harolds Bar Mitzvah When the kids make their new teacher, Mr. Simmons, quit his job, the replacement makes them realize what they lost. S02E03Coach Wittenberg Four Eyed Jack Helga drinks a potion to lose all feelings for Arnold. S02E04Tour de Pond Teachers Strike Gerald's secret is revealed; he doesn't know how to ride a bike, so Arnold teaches him how. S02E05Arnolds Valentine Arnold and Gerald compete against Helga for the school newspaper. S02E06Bio Square Partners When Harold is walking in the street, he finds a kitty that belongs to an old lady and he takes it, but then everybody appears, and Harold has to surrender the kitty to the old lady. S02E07The Big Scoop Harolds Kitty Schoolyard tradition has it that on the first Monday of June each year, the fifth graders throw the fourth graders into trash cans. So, Arnold and Gerald try to make a run for it. As more people are thrown into trash cans and the fifth graders know all the routes, Arnold and Gerald find out eluding the fifth graders is harder that they thought. S02E08Arnold Saves Sid Hookey After Arnold accidentally kills Eugene's fish with a yo-yo, he must do something to make up for it. S02E09Ransom Ms Perfect An organ grinder's monkey kisses Helga, who's convinced she has caught 'monkeynucleosis'. S02E10Monkey Business Big Caesar Arnold and Gerald do a spot of fishing, determined to catch the pond's biggest fish, the legendary "Big Caesar". S02E11The High Life Best Friends Gerald and Arnold get on the case when Timberly loses her Barney-esque doll. S02E12The Longest Monday Eugenes Pet The new girl is teased at school by Helga and the other girls, but she's soon accepted by everyone. S02E13Mud Bowl Gerald Moves Out Arnold and Gerald send the neighborhood alien crazy as they broadcast a mock Halloween radio show. S02E14Freeze Frame Phoebe Cheats After Arnold saves Sid from an injury, Sid devotes himself to paying Arnold back with unending kindness. S02E15Helgas Love Potion Geralds Secret Arnold and Gerald bunk off school, but their day is ruined by their fear of being found out. S02E16Steely Phil Quantity Time Arnold and Gerald go around the city following "Porkpie", a mysterious man caught on film. They suspect, because of the clues, that Porkpie are planning to kill "Marty", who turns out to be Mr. Green. S02E17Eating Contest Rhondas Glasses In this variation of "The Tell-Tale Heart", Phoebe plagiarizes from a poetry book and uses one of the poems as her entry in a poetry contest. She wins, with her prize being a trophy resembling poet Emily Dickinson. Then, the trophy haunts Phoebe into confessing. S02E18Save the Tree New Teacher Wolfgang and his gang of fifth graders challenge Arnold and his friends to a football game, but he has to first persuade them that his plays are good enough for them to win. S02E19Eugene Goes Bad Whats Opera, Arnold Gerald, getting tired of his family bugging him, moves out of his home and into Arnold's boarding house, only to realize emancipation is not all it is cracked up to be. S02E20Arnolds Halloween Gerald becomes an entrepreneur out of selling watches until the market becomes saturated.

Season 3

S03E01Aptitude Test Oskar Gets A Job 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. S03E02Curly Snaps Preteen Scream As punishment for shoplifting a ham, Harold is forced to work for Mr. Green at his butcher shop for a week. Later, after his work shift to pay for it is over, he soon learns that he actually likes his new after-school job and doesn't want to stop working there, much to the dismay of Mr. Green. S03E03Stinky Goes Hollywood Olga Gets Engaged 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. S03E04Crabby Author Rich Kid Mr. Hyunh has a talent for country singing, so Arnold and Gerald, after recording a CD with him at the local studio, become his managers and make him a big star, much to his dislike. S03E05Helga Blabs All Harold the Butcher 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 boarding house and what they would lose if it was sold. S03E06Arnold Betrays Iggy Helga and the Nanny Gerald's voice is deepened after having his tonsils out, just a few days before the school recital. S03E07Dangerous Lumber Mr Hyunh Goes Country Sid pretends that Arnold's room is his, since he's ashamed of showing his real room to Lorenzo. S03E08Arnolds Room Helga vs Big Patty Patty challenges Helga to a fight after Helga gets on her last nerves by picking on her once too many. S03E09Career Day Hey Harold! Stinky's simple life changes after he becomes the surprise new spokesman for Ya-Hoo Soda. S03E10Casa Paradiso Geralds Tonsils Olga gets engaged to a con man who does not exactly woo Helga as he did the rest of her family, but she decides to let the marriage happen so Olga can be miserable. But she is given a change of heart from Arnold, and attempts to stop it. S03E11Phoebe Takes the Fall The Pig War Curly gets enraged after a minor playground mix up. He locks himself in the principal's office and refuses to come out. S03E12Best Man Cool Party Phoebe wins a chance to meet her favorite singer, only to find out that he doesn't write or sing his own songs. S03E13Sids Revenge Roller Coaster 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. S03E14Grandpas Birthday Road Trip When Bob has to go to a business meeting, Miriam and Helga are forced to go on the family road trip by themselves. S03E15Arnold and Lila Grand Prix Principal Wartz gives Sid a detention believeing he placed fake vomit so he could trip over, even though it wasn't Sid who put it there. As a result, Sid seeks revenge and reates ""Revenge Doll"" of Wartz's face, like they do in tribes. He thinks he killed Wartz with the curse. Arnold thinks he's paranoid, even though there are a few clues hinting out that Wartz is dead. S03E16Arnolds Thanksgiving A roller coaster breaks down while Eugene and Arnold are at the top of its tallest drop. S03E17Girl Trouble School Dance After the results of an aptitude test are announced, Harold gains self-confidence and Helga feels dumber. S03E18Helgas Show Flood Oskar gets a job as a newspaper carrier but uses Arnold as cover for his laziness. S03E19School Play Arnold finds out Iggy wears bunny pajamas with feet in them, and Arnold accidentially spills the beans to Sid and Stinky, ruining Iggy's cool image. S03E20Parents Day Bob hires a nanny to help Miriam around the house, much to Helga's dismay. From this moment on, Helga attempts to scare the nanny away.

Season 4

S04E01Eugenes Birthday Stinkys Pumpkin Harold, Sid, and Stinky all moon Principal Wartz, but Arnold is blamed, even though he was just an innocent bystander. S04E02Dinner for Four Phoebe Skips Helga's sister Olga comes home for spring break and becomes a classroom aid in Helga's class, much to Helga's chagrin. S04E03Full Moon Ms Pataki, Student Teacher After Sid works off a debt with loan shark Big Gino, the two become friends, but when Sid is told to give Arnold a swirlie, he has to choose between the two. S04E04Big Gino Jamie O in Luv Gerald's older brother Jamie O has a sudden burst of kindness when he finds a girlfriend, but Arnold and Gerald soon find out that the girl is just using Jamie O. S04E05Beeper Queen Oscar Cant Read After losing Eugene's birthday party invitations, Arnold feels obliged to throw him another party, but it doesn't work out. S04E06The Headless Cabbie Friday the 13th Stinky grows a huge pumpkin to enter in a city competition. S04E07Helgas Parrot Chocolate Turtles After Bob pops his spine, Miriam runs Big Bob's Beepers. She gets in over her head and forgets about her family. S04E08Love and Cheese Weighing Harold Arnold finds out that Oskar is illiterate and tries to teach him to read. S04E09It Girl Deconstructing Arnold Helga wants to show Arnold that she can be as sophisticated as Lila is by taking him, Gerald, and Phoebe out to dinner with a coupon she won. She devises a plan to get out of paying when she discovers they're at the wrong restaurant. S04E10Grudge Match Polishing Rhonda Phoebe is promoted to the sixth grade, but realizes that her new so-called "friends" are just using her to do their homework. S04E11Veterans Day, Part I Veterans Day, Part II A sleep-talking Helga confides into Bob's parrot about her love for Arnold. The next day, the parrot flies into Arnold's window, and it is up to Helga to get it. S04E12Back To School The Egg Crisis strikes when Gerald's little sister, Timberly, eats a stock of chocolate turtles that he and Arnold are supposed to sell for a local scout organization. S04E13Weird Cousin Baby Oskar Helga tries to separate Arnold from Lila while at the annual Cheese Fair. S04E14Helga Sleepwalks Fighting Families Harold, after discovering his friends think he is obese, decides to go on a weight-loss cruise. When he comes back, though, he is noticeably larger. S04E15Monkeyman! Buses, Bikes, Subways After Grandpa tells Arnold that he never got his grade school diploma, Arnold convinces him to come to go back to school at P.S. 118. S04E16Grandpas Sister Synchronized Swimming Arnold and Helga must care for an egg for a school project about parenting. Meanwhile, Rhonda and Harold are project partners and must also take care of an egg. S04E17Helgas Masquerade Mr Green Runs Helga becomes a model, but she quits after she gets irritated at everyone dressing like her. S04E18Helga On The Couch Arnold's classmates are tired of constantly telling them the right thing to do, so he stops giving them advice. Nevertheless, when his classmates get into sticky situations, they are in desperate need of his advice. S04E19Dino Checks Out, Pt 1 Dino Checks Out, Pt 2 After getting in a car accident, Bob and Grandpa face off on the golf green, with the loser having to pay for the damage to both cars. S04E20Summer Love, Part 1 & 2 Rhonda attends a finishing school, but is far from impressive with her stroppy attitude, and seeks help from fellow student Big Patty.

Season 5

S05E01Sid the Vampire Slayer Big Sis When Arnold gives the superhero Monkeyman a taste of normal life, he's far too busy to bother helping the weak and downtrodden. S05E02Geralds Game Fishing Trip Helga and Harold must return to town on their own after the bus leaves them behind after a school trip to a chocolate factory, and Helga has tickets for a wrestling match and she can't be late. S05E03Bag of Money Principal Simmons Helga decides to act like Lila so Arnold will like her.. S05E04New Bully On The Block Phoebe Breaks A Leg Mr. Green runs for city council. S05E05Stuck In A Tree Rhonda Goes Broke Sid thinks Stinky is a vampire. S05E06Helgas Locket Sid And Germs Olga gets into a "Big Sis" program, but her "Lil' Sis" is Lila. S05E07Beaned Old Iron Man Arnold, Sid and Gerald find a bag filled with money, but when Arnold loses it, everyone thinks he stole it. S05E08Ghost Bride Gerald Vs Jamie O When Mr. Simmons is upset that Principal Wartz is being too strict with the students, Wartz decides to resign and he selects Mr. Simmons to take his place. The newly promoted Principal Simmons decides to make massive reforms to permit the school environment to be more liberal, though will the students at P.S. 118 appreciate his authority? S05E09Suspended Ernie In Love The kids must face two bullies when a new kid, Ludwig, returns and wants the vacant lot for himself. S05E10Arnold Visits Arnie Chocolate Boy When Phoebe breaks a leg after being hit by a truck, Helga believes it's her fault (and it is), so she starts being nice to Phoebe. Yet when Phoebe's leg heals, she decides to stay disabled for a little longer. S05E11Harold And Patty Arm Wrestle Arnold And The Rich Guy Helga inscribes her name in her Arnold locket. S05E12The Racing Mule Curlys Girl Sid becomes obsessed with cleanliness. S05E13On The Lam Family Man Harold is suspended and will do anything to get back into school. S05E14Grandpas Packard Phoebes Little Problem Ernie starts dating a tall model, but she doesn't want to continue dating him because of his height. S05E15Simmons Documentary Big Bobs Crisis Arnold asks Grandpa what really happened with his parents, and he finds out that they disappeared after they left the country on a plane, although they might still be alive. S05E16Married When Arnold, the boarders and the Patakis go to the beach, a girl uses Arnold to win a sandcastle competition. Ernie gets buried in the sand. Miriam and Suzie start taking dancing lessons. Grandpa thinks he's stuck on an island. Oscar starts using a metal detector to find ""treasure."" Big Bob gets a bad sunburn. Helga tries to warn Arnold that he's just being used. S05E17Timberly Loves Arnold Eugene, Eugene Arnold gets stuck in a tree with Harold and Eugene. S05E18April Fools Day Rhonda's family goes broke and they move into the boarding house. S05E19The Journal Helga gets amnesia, and Arnold starts acting nice to her.