Hey Arnold! (TV Series) (5 episodes, 1997 - 2002) (developer - 72 episodes, 1996 - 2002) (written by - 32 episodes, 1996 - 2002) (story - 7 episodes, 1996 - 2001) (developed by - 2 episodes, 1996 - 2002) (story by - 2 episodes, 1999 - 2000) - The Journal (2002) - (creator)
- Married (2002) - (creator) / (written by)
- On the Lam/Family Man (2002) - (segment "Family Man")
- April Fool's Day (2002) - (creator)
- Arnold Visits Arnie/Chocolate Boy (2001) - (story - segment "Chocolate Boy")
- Suspended/Ernie in Love (2000) - (written by - segment ": "Ernie in Love")
- Bag of Money/Principal Simmons (2000) - (segment "Bag of Money")
- Helga's Masquerade/Mr. Green Runs (2000) - (creator) / (story by - segment "Helga's Masquerade")
- Monkeyman!/Buses, Bikes, and Subways (2000) - (creator)
- Summer Love (1999) - (creator)
- Dino Checks Out (1999) - (creator) / (written by)
- Helga on the Couch (1999) - (creator) / (story)
- Veterans Day (1999) - (creator) / (written by)
- Headless Cabbie/Friday the 13th (1999) - (creator)
- Grandpa's Sister/Synchronized Swimming (1999) - (creator)
- Weird Cousin/Baby Oskar (1999) - (creator) / (written by - segments "Baby Oskar", "Weird Cousin")
- Grudge Match/Polishing Rhonda (1999) - (creator)
- It Girl/Deconstructing Arnold (1999) - (creator)
- Back to School/Egg Story (1999) - (story by - segment "Back to School") / (written by - segment "Egg Story")
- Love and Cheese/Weighing Harold (1999) - (creator) / (written by)
- Helga's Parrot/Chocolate Turtles (1999) - (creator)
- Dinner for Four/Phoebe Skips (1999) - (segment "Dinner for Four")
- The Beeper Queen/Oskar Can't Read? (1999) - (creator)
- Eugene's Birthday/Stinky's Pumpkin (1999) - (creator)
- Big Gino/Jamie O in Love (1999) - (creator) / (story - segment "Jamie O in Love")
- Full Moon/Student Teacher (1999) - (creator) / (written by - segment "Full Moon")
- Parents Day (1998) - (creator)
- School Play (1998) - (creator) / (written by)
- Girl Trouble/School Dance (1998)
- Helga's Show/The Flood (1998) - (segment "Helga's Show") / (creator)
- Arnold's Thanksgiving (1998) - (creator) / (story) / (written by)
- Arnold & Lila/Grand Prix (1998) - (creator) / (written by)
- Grandpa's Birthday/Road Trip (1998) - (creator) / (story - segment "Grandpa's Birthday")
- Sid's Revenge/Roller Coaster (1998) - (creator)
- Best Man/Cool Party (1998) - (creator) / (written by - segment "Best Man")
- Casa Paradiso/Gerald's Tonsils (1998) - (creator)
- Career Day/Hey Harold! (1998) - (creator) / (written by - segment "Hey Harold!")
- Arnold Betrays Iggy/Helga and the Nanny (1998) - (segment "Arnold Betrays Iggy") / (creator)
- The Aptitude Test/Oskar Gets a Job (1998) - (creator) / (written by - segment "Oskar Gets a Job")
- Curly Snaps/Pre-Teen Scream (1998) - (creator)
- Stinky Goes Hollywood/Olga Gets Engaged (1998) - (creator)
- Arnold's Room/Helga vs. Big Patty (1998) - (segment "Helga vs. Big Patty") / (creator)
- Dangerous Lumber/Mr. Hyunh Goes Country (1998) - (creator) / (written by - segment "Mr. Hyunh Goes Country")
- Helga Blabs It All/Harold the Butcher (1998) - (creator)
- Eugene Goes Bad/What's Opera, Arnold? (1997) - (creator) / (written by - segment "Eugene Goes Bad")
- Eating Contest/Rhonda's Glasses (1997) - (creator)
- Steely Phil/Quantity Time (1997) - (creator) / (written by)
- Arnold's Halloween (1997) - (creator) / (story)
- The High Life/Best Friends (1997) - (creator)
- Mudbowl/Gerald Moves Out (1997) - (written by - segment "Gerald Moves Out")
- Freeze Frame/Phoebe Cheats (1997) - (creator)
- Arnold Saves Sid/Hookey (1997) - (creator) / (written by - segment "Arnold Saves Sid")
- Ransom/Ms. Perfect (1997) - (segment "Ms. Perfect")
- Monkey Business/Big Caesar (1997) - (segment "Monkey Business") / (creator)
- Longest Monday/Eugene's Pet (1997) - (creator)
- The Big Scoop/Harold's Kitty (1997) - (creator) / (written by - segment "Harold's Kitty")
- Helga's Love Potion/Gerald's Secret (1997) - (creator)
- Save the Tree/New Teacher (1997) - (creator)
- Arnold's Valentine (1997) - (creator) / (written by)
- Runaway Float/Partners (1997) - (creator) / (written by - segment "Partners")
- Tour de Pond/Teachers' Strike (1997) - (creator)
- Coach Wittenberg/Four-Eyed Jack (1997) - (creator)
- Hall Monitor/Harold's Bar Mitzvah (1997) - (creator)
- Helga's Boyfriend/Crush on Teacher (1997) - (segment "Helga's Boyfriend") / (creator)
- Part Time Friends/Biosquare (1997) - (creator)
- False Alarm/World Records (1996) - (creator) / (written by - segment "False Alarm")
- Arnold's Christmas (1996) - (creator) / (story) / (written by)
- Magic Show/24 Hours to Live (1996) - (creator) / (written by - segment "24 Hours to Live")
- Abner Come Home/The Sewer King (1996) - (creator)
- Olga Comes Home/Sally's Comet (1996) - (segment "Olga Comes Home") / (creator)
- Spelling Bee/Pigeon Man (1996) - (creator)
- Das Subway/Wheezin' Ed (1996) - (segment "Wheezin' Ed") / (creator)
- Door #16/Arnold as Cupid (1996) - (creator) / (written by - segment "Arnold as Cupid")
- The List/Haunted Train (1996) - (creator)
- Heat/Snow (1996) - (creator)
- Operation Ruthless/The Vacant Lot (1996) - (creator) / (written by - segment "Operation Ruthless")
- Tutoring Torvald/Gerald Comes Over (1996) - (creator)
- Benchwarmer/Cool Jerk (1996) - (creator)
- 6th Grade Girls/The Baseball (1996) - (creator) / (written by - segment "Sixth Grade Girls")
- Helga's Makeover/The Old Building (1996) - (creator) / (written by - segment "The Old Building")
- Arnold's Hat/Stoop Kid (1996) - (creator) / (written by)
- The Little Pink Book/Field Trip (1996) - (creator) / (written by - segment "Field Trip")
- Downtown as Fruits/Eugene's Bike (1996) - (creator) / (written by - segments "Downton as Fruits", "Eugene's Bike")