A) When Arnold gives the superhero Monkeyman a taste of normal life, he's far too busy to bother helping the weak and downtrodden. B) 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 cant be late.

A) Helga decides to act like Lila so Arnold will like her. B) Mr. Green runs for city council.

A) Sid thinks Stinky is a vampire. B) Olga gets into a ""Big Sis"" program, but her ""Lil' Sis"" is Lila.

A) Arnold, Sid and Gerald find a bag filled with money, but when Arnold loses it, everyone thinks he stole it. (Didn't I see this before? Probably in a similar story on a Doug episode entitled ""Doug's in the Money"") B) When Principal Wartz quits as Principal, Mr. Simmons takes his place.

A) The kids must face two bullies when a new kid, Ludwig, returns and wants the vacant lot for himself. B) 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.

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.

A) Helga inscribes her name in her Arnold locket. B) Sid becomes obsessed with cleanliness.

A) Harold is suspended and will do anything to get back into school. B) Ernie starts dating a tall model, but she doesn't want to continue dating him because of his height.

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.

A) Arnold gets stuck in a tree with Harold and Eugene. B) Rhonda's family goes broke and they move into the boarding house.

A) Helga gets amnesia, and Arnold starts acting nice to her. B) Grandpa and his old friend Jimmy Kafka compete on a triathlon.

A) Arnold visits his cousin Arnie, whose friends look remarkably familiar to Anrold's B) Chcolate Boy wants to give up chocolate.

A. P.S. 118 is having an Arm Wrestling contest, but Harold get humiliated when he loses to Patty before the contest, so he asks Patty for some pointers on winning. B. After Arnold saves the life of a rich man, the man invites Arnold and Grandpa to his house. He tells Arnold that he wishes Arnold was the son he never had, but he really does have a son, but they share nothing in common.

Arnold is sick and tired of everybody preforming their April Fool jokes on him (escpecially Helga), so he tries one of his own, but it backfires when it temporarily blinds Helga.

A) Gerald is involved with his new favorite game which Arnold dislikes. B) Arnold and his Grandpa, Gerald and his Father, and Sid and his Father all go on a fishing trip.

Rhonda uses a folding paper fortune teller to see who will marry who, and Arnold and Helga get paired up, causing them to both dream what life would be like married to each other.

A) Stinky, Harold, and Sid are on the run after they think they blew up a police station. B) Mr. Hyunh has Arnold pretending to be his son for his new employer.

A) Mr. Hyunh, Oskar, and Ernie purchase a race horse, or so they think. B) Curly gets Rhonda to act like his girlfriend after something happens to Rhonda's Mothers' fur coat.

Arnold finds a journal describing the adventures of his parents in the Jungle. Also, it contains a map telling where they had to go after they left him.

Arnold finds a journal describing the adventures of his parents in the Jungle. Also, it contains a map telling where they had to go after they left him.

Timberly Loves Arnold: Arnold does something for Timberly, causing Timberly to have a crush on Arnold. She makes Lila start to like Arnold because he has been helping Timberly. Eugene, Eugene: Eugene gets the lead role in the school musical ""Eugene, Eugene"". But the play director cuts the parts that Eugene is a hero, and makes the parts look like he is a loser.

In his urban legend, he tells the story of the ghost bride, and how she murdered her husband after he left her for her sister. Turns out she's buried in the cemetery near the gang's neighborhood. She comes back from the dead every anniversary of the murders. Arnold, Gerald, Eugene, Harold, and Stinky are scared twice by Helga and Curly, by them pretending to be the ghost of Cynthia Snell, the Ghost Bride.

A) After Mr. Simmons wins an award, a TV station does a documentary on how he teaches. B) After Big Bob has a heart attack, he tries to become more nice.

A) Phoebe gets embarrassed after she "passes gas" in front of a microphone. B) Grandpa's Packard is stolen from an antique car show.