Hey Arnold! (1996–2004)
7.6/10
72

April Fool's Day 

It's April Fools and Helga has targeted Arnold as her practical joke victim for the day. When Helga goes one prank too far, Arnold stages a retaliation and brings in Grandpa's prized practical joke.

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Cast

Episode credited cast:
Craig Bartlett ... Brainy (voice)
Dan Butler ... Mr. Simmons (voice)
Dan Castellaneta ... Arnold's Grandpa / Wyatt (voice)
Blake McIver Ewing ... Eugene Horowitz (voice)
Taylor Gifaldi Taylor Gifaldi ... Sid (voice)
Mary Gross ... School Nurse Shelley (voice)
Olivia Hack ... Rhonda Wellington Lloyd (voice)
Alex D. Linz ... Arnold (voice) (as Alex Linz)
Tress MacNeille ... Arnold's Grandma (voice)
Anndi McAfee ... Phoebe Heyerdahl (voice)
Justin Shenkarow ... Harold Berman (voice)
Francesca Marie Smith ... Helga Pataki / Sheena (voice) (as Francesca Smith)
Jamil Walker Smith ... Gerald Johanssen (voice)
Christopher Walberg Christopher Walberg ... Stinky Petersen (voice)
David Wohl ... Principal Wartz (voice)
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Storyline

It's April Fools and Helga has targeted Arnold as her practical joke victim for the day. When Helga goes one prank too far, Arnold stages a retaliation and brings in Grandpa's prized practical joke.

Plot Summary | Add Synopsis

Certificate:

TV-Y7
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Details

Country:

USA

Language:

English

Release Date:

1 April 2002 (USA) See more »

Company Credits

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Technical Specs

Runtime:

Color:

Color
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Did You Know?

Connections

Remake of Hey Arnold!: Beaned/Old Iron Man (2001) See more »

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