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S3E32
S3E34

Hey Arnold!chevron_right

S03E33: Biosquare
As a science assignment, Arnold and Helga have to work together, and get along with each other, for 24 hours in the Sunset Arms greenhouse.
Genres:
Family, Animation, Comedy
Air Date:
Dec 07, 1998
Runtime:
11 minutes
Production:
Snee-Oosh Productions , Nicktoons Productions , Nubian Nights Worldwide , Games Animation , Nickelodeon Productions
Casts:
Spencer Klein, Jamil Walker Smith, Olivia Hack, Anndi McAfee, Justin Shenkarow, Francesca Marie Smith, Blake McIver Ewing, Dan Castellaneta
Hey Arnold!
Season 1
E1
Downtown as Fruits
E2
Eugene's Bike
E3
The Little Pink Book
E4
Field Trip
E5
Arnold's Hat
E6
Stoop Kid
E7
Helga's Makeover
E8
The Old Building
E9
6th Grade Girls
E10
The Baseball
E11
Heat
E12
Snow
E13
Operation Ruthless
E14
The Vacant Lot
E15
The List
E16
Haunted Train
E17
Mugged
E18
Roughin' It
E19
Door #16
E20
Arnold as Cupid
E21
Arnold's Christmas
E22
Benchwarmer
E23
Cool Jerk
E24
Das Subway
E25
Wheezin' Ed
E26
Arnold the Tutor
E27
Gerald Comes Over
E28
Spelling Bee
E29
Pigeon Man
E30
Olga Comes Home
E31
Sally's Comet
E32
Abner Come Home
E33
The Sewer King
E34
False Alarm
E35
World Records
E36
Magic Show
E37
24 Hours to Live
E38
Arnold's Valentine
Season 2
E1
Save The Tree
E2
New Teacher
E3
Helga's Love Potion
E4
Gerald's Secret
E5
The Big Scoop
E6
Harold's Kitty
E7
Longest Monday
E8
Eugene's Pet
E9
Monkey Business
E10
Big Caesar
E11
Ransom
E12
Ms. Perfect
E13
Arnold's Halloween
E14
Arnold Saves Sid
E15
Hooky
E16
Freeze Frame
E17
Phoebe Cheats
E18
Mud Bowl
E19
Gerald Moves Out
E20
The High Life
E21
Best Friends
E22
Steely Phil
E23
Quantity Time
E24
Eating Contest
E25
Rhonda's Glasses
E26
Helga's Boyfriend
E27
Crush on Teacher
E28
Hall Monitor
E29
Harold's Bar Mitzvah
E30
Coach Wittenberg
E31
Four-Eyed Jack
E32
Eugene Goes Bad
E33
What's Opera, Arnold?
E34
Tour de Pond
E35
Teachers Strike
E36
Runaway Float
E37
Partners
Season 3
E1
Helga Blabs It All
E2
Harold the Butcher
E3
Dangerous Lumber
E4
Mr. Hyunh Goes Country
E5
Casa Paradiso
E6
Gerald's Tonsils
E7
Arnold's Room
E8
Helga vs. Big Patty
E9
Stinky Goes Hollywood
E10
Olga Gets Engaged
E11
Curly Snaps
E12
Preteen Scream
E13
Grandpa's Birthday
E14
Road Trip
E15
Sid's Revenge
E16
Roller Coaster
E17
The Aptitude Test
E18
Oskar Gets a Job
E19
Arnold Betrays Iggy
E20
Helga and the Nanny
E21
Career Day
E22
Hey Harold!
E23
Best Man
E24
Cool Party
E25
Arnold & Lila
E26
Grand Prix
E27
Arnold's Thanksgiving
E28
Helga's Show
E29
The Flood
E30
Phoebe Takes the Fall
E31
The Pig War
E32
Part-Time Friends
E33
Biosquare
E34
Crabby Author
E35
Rich Kid
E36
Girl Trouble
E37
School Dance
E38
School Play
Season 4
E1
Full Moon
E2
Student Teacher
E3
Big Gino
E4
Jamie O in Love
E5
Eugene's Birthday
E6
Stinky's Pumpkin
E7
The Beeper Queen
E8
Oskar Can't Read?
E9
Dinner for Four
E10
Phoebe Skips
E11
Helga's Parrot
E12
Chocolate Turtles
E13
Love and Cheese
E14
Weighing Harold
E15
Back to School
E16
Egg Story
E17
It Girl
E18
Deconstructing Arnold
E19
Grudge Match
E20
Polishing Rhonda
E21
Weird Cousin
E22
Baby Oskar
E23
Grandpa's Sister
E24
Synchronized Swimming
E25
Helga Sleepwalks
E26
Fighting Families
E27
Headless Cabbie
E28
Friday the 13th
E29
Veterans Day
E30
Helga on the Couch
E31
Dino Checks Out
Season 5
E1
Monkeyman!
E2
Buses, Bikes, and Subways
E3
Helga's Masquerade
E4
Mr. Green Runs
E5
Sid the Vampire Slayer
E6
Big Sis
E7
Bag of Money
E8
Principal Simmons
E9
New Bully on the Block
E10
Phoebe Breaks a Leg
E11
Helga's Locket
E12
Sid and Germs
E13
Suspended
E14
Ernie in Love
E15
Parents Day
E16
Summer Love (a.k.a. Beach Story)
E17
Stuck in a Tree
E18
Rhonda Goes Broke
E19
Beaned
E20
Old Iron Man
E21
Arnold Visits Arnie
E22
Chocolate Boy
E23
Harold vs. Patty
E24
Rich Guy
E25
April Fool's Day
E26
Gerald's Game
E27
Fishing Trip
E28
Married
E29
On The Lam
E30
Family Man
E31
The Racing Mule
E32
Curly's Girl
E33
The Journal (1)
E34
The Journal (2)
E35
Timberly Loves Arnold
E36
Eugene, Eugene!
E37
Ghost Bride
E38
Gerald vs. Jamie O
E39
A Day in the Life of a Classroom
E40
Big Bob's Crisis
E41
Phoebe's Little Problem
E42
Grandpa's Packard
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