Seasons & episodes
S4 · E31Dino Checks Out 1999-12-11 · 23 min
Dino Spumoni is found missing and then declared dead after what appears to be a suicide attempt. but Arnold finds out that this isn't the case, and he secretly lives in the boarding house, believing that his work will skyrocket in value after his "death".
S5 · E1Monkeyman! 8.2 / 10 · 1 published rating 2001-03-04 · 11 min
When Arnold gives the superhero Monkeyman a taste of normal life, he's far too busy to bother helping the weak and downtrodden.
S5 · E2Buses, Bikes, and Subways 2001-03-04 · 11 min
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.
S5 · E3Helga's Masquerade 2001-03-11 · 11 min
Helga decides to act like Lila so Arnold will like her..
S5 · E4Mr. Green Runs 2001-03-11 · 11 min
Mr. Green runs for city council.
S5 · E5Sid the Vampire Slayer 2001-03-18 · 11 min
Sid thinks Stinky is a vampire.
S5 · E6Big Sis 2001-03-18 · 11 min
Olga gets into a "Big Sis" program, but her "Lil' Sis" is Lila.
S5 · E7Bag of Money 2001-04-05 · 11 min
Arnold, Sid and Gerald find a bag filled with money, but when Arnold loses it, everyone thinks he stole it.
S5 · E8Principal Simmons 2001-04-05 · 11 min
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?
S5 · E9New Bully on the Block 2001-04-12 · 11 min
The kids must face two bullies when a new kid, Ludwig, returns and wants the vacant lot for himself.
S5 · E10Phoebe Breaks a Leg 2001-04-12 · 11 min
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.
S5 · E11Helga's Locket 2000-04-19 · 11 min
Helga inscribes her name in her Arnold locket.
S5 · E12Sid and Germs 2001-04-19 · 11 min
Sid becomes obsessed with cleanliness.
S5 · E13Suspended 2000-04-26 · 11 min
Harold is suspended and will do anything to get back into school.
S5 · E14Ernie in Love 2001-04-26 · 11 min
Ernie starts dating a tall model, but she doesn't want to continue dating him because of his height.
S5 · E15Parents Day 2001-05-10 · 24 min
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.
S5 · E16Summer Love 2001-06-21 · 24 min
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.
S5 · E17Stuck in a Tree 2002-01-05 · 11 min
Arnold gets stuck in a tree with Harold and Eugene.
S5 · E18Rhonda Goes Broke 2002-01-05 · 11 min
Rhonda's family goes broke and they move into the boarding house.
S5 · E19Beaned 2002-01-12 · 11 min
Helga gets amnesia, and Arnold starts acting nice to her.
S5 · E20Old Iron Man 2002-01-12 · 11 min
Grandpa Phil and his old friend have been feuding for quite some time, as their friendship fell apart years ago. However, they still attempt to compete with one another as they each believe they are the better individual; though when both men decide to enter the extremely dangerous Old Iron Man triathlon, Arnold attempts to put an end to their feud, as he does not believe they should risk their lives over something so trivial.
S5 · E21Arnold Visits Arnie 2002-01-26 · 11 min
Arnold visits his cousin Arnie, whose friends look remarkably familiar to Anrold's
S5 · E22Chocolate Boy 2002-01-26 · 11 min
Chocolate Boy wants to give up chocolate.
S5 · E23Harold vs. Patty 2002-02-03 · 11 min
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.