Downtown as Fruits: Arnold and Gerald are cast as fruits in Helga's play, but when they get tired of Helga bossing them around, they decide to blow off the play and end up lost downtown. Eugene's Bike: After Arnold accidentally ruins Eugene's new bike, he tries to make it up to him with a day of fun - which turns into a chain of accidents for Eugene.

Downtown as Fruits: Arnold and Gerald are cast as fruits in Helga's play, but when they get tired of Helga bossing them around, they decide to blow off the play and end up lost downtown. Eugene's Bike: After Arnold accidentally ruins Eugene's new bike, he tries to make it up to him with a day of fun - which turns into a chain of accidents for Eugene.

The Little Pink Book: Helga misplaces her diary, and it falls into the hands of Arnold. Arnold will stop at nothing to find out who owns the diary, and Helga will stop at nothing to get it back. Field Trip: On a field trip to the aquarium, Arnold can't wait to see Lockjaw, the infamous terror of the deep. But Lockjaw turns out to be an old tortoise with a graffiti-covered shell--and he needs Arnold's help.

The Little Pink Book: Helga misplaces her diary, and it falls into the hands of Arnold. Arnold will stop at nothing to find out who owns the diary, and Helga will stop at nothing to get it back. Field Trip: On a field trip to the aquarium, Arnold can't wait to see Lockjaw, the infamous terror of the deep. But Lockjaw turns out to be an old tortoise with a graffiti-covered shell--and he needs Arnold's help.

Arnold's Hat: Helga is determined to get Arnold's hat in order to complete a sculpture she's making of him made out of his chewed gum. When Arnold won't go out of his room without his hat, Helga attempts to get it back. Stoop Kid: Gerald tells the legend of Stoop Kid, a kid who lives on his stoop and harasses the passers-by without ever leaving. When Arnold proves Stoop Kid's afraid to leave his stoop, he feels sorry for him and helps him to overcome his fears. In the end, Stoop Kid leaves his stoop but continues to stay there and harass people on and off his stoop.

Arnold's Hat: Helga is determined to get Arnold's hat in order to complete a sculpture she's making of him made out of his chewed gum. When Arnold won't go out of his room without his hat, Helga attempts to get it back. Stoop Kid: Gerald tells the legend of Stoop Kid, a kid who lives on his stoop and harasses the passers-by without ever leaving. When Arnold proves Stoop Kid's afraid to leave his stoop, he feels sorry for him and helps him to overcome his fears. In the end, Stoop Kid leaves his stoop but continues to stay there and harass people on and off his stoop.

Lipstick, hairspray, nail polish-Rhonda's birthday party is an all-girl affair, and that's why Helga isn't invited. But she's plotting revenge, and it's gonna make 'em run like cheap mascara.

Lipstick, hairspray, nail polish-Rhonda's birthday party is an all-girl affair, and that's why Helga isn't invited. But she's plotting revenge, and it's gonna make 'em run like cheap mascara.

Arnold's about to find out...because tonight, he just might get a kiss from a sixth-grade girl.

Arnold's about to find out...because tonight, he just might get a kiss from a sixth-grade girl.

With fourteen beautiful inches of powdery snow, a blizzard has transformed Arnold's city into a winter play-land. But with the list of chores Grandpa has handed him, it could be July before he gets to play in it.

With fourteen beautiful inches of powdery snow, a blizzard has transformed Arnold's city into a winter play-land. But with the list of chores Grandpa has handed him, it could be July before he gets to play in it.

Operation Ruthless: Helga finds out about Arnold's love for Ruth and his plan is to meet her at the Annual Cheese Fair, and Helga makes sure Ruth will never meet him, in a plan known as Operation Ruthless. But her plan backfires as this only makes Arnold love Ruth more than ever. The Vacant Lot: Arnold and his friends clean up a dirty lot to play baseball on, but when the adults find the lot, they take it over and use it for their own reasons.

Operation Ruthless: Helga finds out about Arnold's love for Ruth and his plan is to meet her at the Annual Cheese Fair, and Helga makes sure Ruth will never meet him, in a plan known as Operation Ruthless. But her plan backfires as this only makes Arnold love Ruth more than ever. The Vacant Lot: Arnold and his friends clean up a dirty lot to play baseball on, but when the adults find the lot, they take it over and use it for their own reasons.

Arnold's best laid plans for the ultimate Saturday go up in smoke when he tries to complete all of his favorite things to do in one afternoon. On a boring summer night Grandpa tries to liven things up by telling a story about haunted Train Number 25.

Arnold's best laid plans for the ultimate Saturday go up in smoke when he tries to complete all of his favorite things to do in one afternoon. On a boring summer night Grandpa tries to liven things up by telling a story about haunted Train Number 25.

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.

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.

Door 16: After a mysterious package is delivered at the boarding house, Arnold is entrusted to deliver the package to Mr. Smith, the most private boarder in the house. Unfortunately, the other boarders' curiosity is an obstacle Arnold must face. Arnold as Cupid: After Oskar and Suzie split up, Oskar lives with Arnold, and Arnold has to get them back together before Oskar drives him crazy.

Door 16: After a mysterious package is delivered at the boarding house, Arnold is entrusted to deliver the package to Mr. Smith, the most private boarder in the house. Unfortunately, the other boarders' curiosity is an obstacle Arnold must face. Arnold as Cupid: After Oskar and Suzie split up, Oskar lives with Arnold, and Arnold has to get them back together before Oskar drives him crazy.

When Arnold receives Mr. Hyunh's name in the boarding house's annual Secret Santa draw, he decides to make it the most special Christmas ever for the lonely boarder, and tries to reunite Mr. Hyunh with his long-lost daughter. Meanwhile, Helga agonizes over what would make the perfect present for Arnold.

When Arnold receives Mr. Hyunh's name in the boarding house's annual Secret Santa draw, he decides to make it the most special Christmas ever for the lonely boarder, and tries to reunite Mr. Hyunh with his long-lost daughter. Meanwhile, Helga agonizes over what would make the perfect present for Arnold.

Benchwarmer: Arnold, Gerald, Stinky, and Robert are on the YMMA's basketball team, and Coach Wittenberg teaches the team to always pass the ball to his son Tucker. Arnold teaches Tucker how to do free-throw shots, only to find he still hogs all the credit. Cool Jerk: Arnold makes friends with a cool older boy named Frankie G., but he soon discovers the real reason why this guy likes him so much.

Benchwarmer: Arnold, Gerald, Stinky, and Robert are on the YMMA's basketball team, and Coach Wittenberg teaches the team to always pass the ball to his son Tucker. Arnold teaches Tucker how to do free-throw shots, only to find he still hogs all the credit. Cool Jerk: Arnold makes friends with a cool older boy named Frankie G., but he soon discovers the real reason why this guy likes him so much.

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 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 meanest, 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.

Arnold is given the assignment to tutor Torvald, the meanest, 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.

The first episode is Spelling Bee, It's time to crown the spelling champ of the whole city, and P.S. 118 has two contenders for the $500 prize. In one corner, Arnold. In the other, Helga. The second Pigeon Man, Arnold's prized pigeon takes ill, and only one person can help-the creepy recluse Pigeon Man. But when Arnold visits him in his rooftop roost he find they're birds of a feather. Written by Tiff Banks

The first episode is Spelling Bee, It's time to crown the spelling champ of the whole city, and P.S. 118 has two contenders for the $500 prize. In one corner, Arnold. In the other, Helga. The second Pigeon Man, Arnold's prized pigeon takes ill, and only one person can help-the creepy recluse Pigeon Man. But when Arnold visits him in his rooftop roost he find they're birds of a feather. Written by Tiff Banks

When Helga's older sister, Olga, comes home from college and gets all of her parents' attention, Helga plots to sabotage her sister's visit. Arnold and Gerald save up cereal box tops to get a telescope before the arrival of Salley's Comet.

When Helga's older sister, Olga, comes home from college and gets all of her parents' attention, Helga plots to sabotage her sister's visit. Arnold and Gerald save up cereal box tops to get a telescope before the arrival of Salley's Comet.

Arnold's pet pig, Abner, escapes one night while Arnold is sleeping. When Arnold tries to bring Grandpa's pocket watch home from the repair shop, he accidentally drops it down a hole in the street, which leads him to strange subterranean world. Written by Anonymous

Arnold's pet pig, Abner, escapes one night while Arnold is sleeping. When Arnold tries to bring Grandpa's pocket watch home from the repair shop, he accidentally drops it down a hole in the street, which leads him to strange subterranean world. Written by Anonymous

False Alarm: Eugene is suspected and accused of pulling the fire alarm, and it's up to a student jury to vote on the verdict, but Arnold's the only one who believes Eugene's totally innocent. World Records: Arnold and his friends attempt to get a world record and into a world records book.

False Alarm: Eugene is suspected and accused of pulling the fire alarm, and it's up to a student jury to vote on the verdict, but Arnold's the only one who believes Eugene's totally innocent. World Records: Arnold and his friends attempt to get a world record and into a world records book.

Magic Show: During Arnold's magic show, he makes Helga disappear by putting her in a box, but Helga sneaks out. After running into a post and knocking herself out, she has a dream that she really disappeared, and no one missed her. 24 Hours to Live: After Arnold accidentally hits Harold in the face with a baseball, Helga persuades Harold to wait until the next day to fight him. Meanwhile, Helga constantly reminds Arnold of how long he has to live.

Magic Show: During Arnold's magic show, he makes Helga disappear by putting her in a box, but Helga sneaks out. After running into a post and knocking herself out, she has a dream that she really disappeared, and no one missed her. 24 Hours to Live: After Arnold accidentally hits Harold in the face with a baseball, Helga persuades Harold to wait until the next day to fight him. Meanwhile, Helga constantly reminds Arnold of how long he has to live.

Arnold gets a visit from his French pen pal Cecille, who behind her French accent, seems strangely familiar.