Hey Arnold!
S03E15 Sid's Revenge
Principal Wartz assigns Sid a detention, mistakenly thinking he was behind the fake vomit incident designed to trip him. Upset by the unfair punishment, Sid decides to take action and crafts a "Revenge Doll" resembling Wartz's face, inspired by tribal traditions. He becomes convinced that his curse has killed Wartz. Meanwhile, Arnold is skeptical, believing Sid is overreacting, even as several eerie signs suggest that something might indeed be amiss with the principal's well-being.
Season 3 Episodes
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31
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Helga Blabs It All
Harold the Butcher
Dangerous Lumber
Mr. Hyunh Goes Country
Casa Paradiso
Gerald's Tonsils
Arnold's Room
Helga vs. Big Patty
Stinky Goes Hollywood
Olga Gets Engaged
Curly Snaps
Preteen Scream
Grandpa's Birthday
Road Trip
Sid's Revenge
Roller Coaster
The Aptitude Test
Oskar Gets a Job
Arnold Betrays Iggy
Helga and the Nanny
Career Day
Hey Harold!
Best Man
Cool Party
Arnold & Lila
Grand Prix
Arnold's Thanksgiving
The Pig War
Part Time Friends
School Dance