| Title | Season | Episode # | First Aired |
|---|---|---|---|
| Helga Blabs It All / Harold the Butcher | 3 | 40 | Monday August 31, 1998 |
| Dangerous Lumber / Mr. Hyunh Goes Country | 3 | 41 | Wednesday September 2, 1998 |
| Casa Paradiso / Gerald's Tonsils | 3 | 42 | Monday September 7, 1998 |
| Arnold's Room / Helga vs. Big Patty | 3 | 43 | Wednesday September 9, 1998 |
| Stinky Goes Hollywood / Olga Gets Engaged | 3 | 44 | Wednesday September 16, 1998 |
| Curly Snaps / Pre-Teen Scream | 3 | 45 | Wednesday September 23, 1998 |
| Grandpa's Birthday / Road Trip | 3 | 46 | Wednesday September 30, 1998 |
| Sid's Revenge / Roller Coaster | 3 | 47 | Wednesday October 7, 1998 |
| The Aptitude Test / Oskar Gets a Job | 3 | 48 | Wednesday October 14, 1998 |
| Arnold Betrays Iggy / Helga and the Nanny | 3 | 49 | Monday October 19, 1998 |
| Career Day / Hey Harold! | 3 | 50 | Wednesday October 21, 1998 |
| Best Man / Cool Party | 3 | 51 | Monday November 2, 1998 |
| Arnold | 3 | 52 | Wednesday November 4, 1998 |
| Arnold's Thanksgiving | 3 | 53 | Wednesday November 18, 1998 |
| Helga's Show / The Flood | 3 | 54 | Wednesday November 25, 1998 |
| Phoebe Takes the Fall / The Pig War | 3 | 55 | Monday December 7, 1998 |
| Part-Time Friends / Bio Square | 3 | 56 | Monday December 7, 1998 |
| Crabby Author / Rich Kid | 3 | 57 | Monday December 28, 1998 |
| Girl Trouble / School Dance | 3 | 58 | Monday January 4, 1999 |
| School Play | 3 | 59 | Monday March 8, 1999 |