|Hey Arnold!: Season 4|
Hey Arnold! Season 4 is the fourth season of the Hey Arnold! series. It includes 28 quarter-hour episodes, 3 half-hour episodes and 2 holiday specials.
From this season onwards, the animation changed from using cel animation to digital ink and paint.
- Full Moon / Student Teacher
- Big Gino / Jamie O in Love
- Eugene's Birthday / Stinky's Pumpkin
- The Beeper Queen / Oskar Can't Read?
- Dinner for Four / Phoebe Skips
- Helga's Parrot / Chocolate Turtles
- Love and Cheese / Weighing Harold
- Back to School / Egg Story
- It Girl / Deconstructing Arnold
- Grudge Match / Polishing Rhonda
- Weird Cousin / Baby Oskar
- Grandpa's Sister / Synchronized Swimming
- Helga Sleepwalks / Fighting Families
- Headless Cabbie / Friday the 13th
- Veterans Day
- Helga on the Couch
- Dino Checks Out