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April Fool's Day

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Episode of Hey Arnold!
April Fool's Day
April Fool's Day
Season 5, Episode 98
Air date: April 1, 2002
Don Del Grande's

April Fool's Day is a special half-hour episode in the Hey Arnold! TV Series.


It's April Fool's Day at P.S. 118 and everyone is playing pranks on one another. Helga, however, primarily targets Arnold, humiliating him for most of the day. After she sets a tray of pudding on his seat, he decides to get back at her with a gift box that glares a bright light, claiming it's a belated birthday present. Unfortunately, he isn't aware that the box temporarily blinds someone. Helga decides to use this to her advantage by acting like she's permanently blind to indirectly force Arnold to be her personal slave. She occasionally messes up by proving that she's not blind, but she manages to cover it up.

After he walks her home, he follows his grandfather's advice and asks her if she'd like to the April Fool's Dance held at the school. She reveals to Phoebe that she's pretending to be blind only to reveal to Arnold that it's another prank, but Gerald overhears this and tells Arnold. They come up with a plan to finally get back at Helga without hurting her this time. Arnold and Helga dance while Gerald opens up the pool that's in the gym. Right before the King of Fools is announced, Arnold spins Helga right into the pool.


  • This episode was produced and takes place after "Hey Arnold!: The Movie", meaning that Arnold very likely knows about Helga's feelings for him. (During his second interview on The Arun Mehta Show, Craig Bartlett himself admitted that during their tango, Arnold was indeed flirting with Helga.) This also explains Helga's somewhat harsher treatment of Arnold in the episode as a way to hide her feelings now that he knows about them.
  • This is one of the two episodes to feature Alex D. Linz as the voice of Arnold. The other episode where he voiced him was "The Journal".
  • This is the only episode not to feature Sam Gifaldi as the voice of Sid. In this episode, he was voiced by Sam's younger brother, Taylor Gifaldi.
  • Arnold says Helga's birthday was "last week", meaning that Helga was born roughly around March 25th.
  • The YMAA's gym floor can be opened up to get access to the pool. This is a reference to the dance scene in the movie It's a Wonderful Life.
  • Unlike the episodes "Arnold's Christmas", "Arnold's Valentine", "Arnold's Halloween" and "Veterans Day", this episode actually aired on the day of April Fool's Day.
  • Gerald states that Arnold is too "trustworthy, loyal, helpful, friendly, courteous, kind" for April Fool's Day. Those characteristics are 6 of the 12 laws, in order, of Boy Scouts of America's 'Scout Law'.
  • Harold and Patty are seen dancing together in one scene, so it's possible that they may have come to the dance together (either as a couple or just as friends).


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