Hey Arnold! April Fool's Day (Season 5, Episode 14)
TV-Y7
TV Episode | 24 min | Animation, Comedy, Family

Hey Arnold!

April Fool's Day (Season 5, Episode 14)

TV-Y7

TV Episode | 24 min | Animation, Comedy, Family

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.

Directors

Raymie Muzquiz | Tuck Tucker

Writers

Craig Bartlett (created by) (developer) (written by) | Joe Ansolabehere (developer) | Steve Viksten (developer) | Michelle Lamoreaux (written by) | Joseph Purdy (written by)

Composer

Jim Lang

Casting Directors

Dawn Hershey | Joey Paul Jensen (as Joey Paul)

See all filmmakers & crew (78)

Edit Released

Updated Apr 1, 2002

Release date

Apr 1, 2002 (United States)

Awards

Series awards

3 wins & 21 nominations

Contacts

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Cast	+ Add Cast
16 cast members

Name	Known for
Craig Bartlett Brainy (voice) Brainy (voice) See fewer	Dinosaur Train (2009)
Dan Butler Mr. Simmons (voice) Mr. Simmons (voice) See fewer	Frasier (1993)
Dan Castellaneta Arnold's Grandpa / Wyatt (voice) Arnold's Grandpa / Wyatt (voice) See fewer	The Simpsons (1989)
Blake Ewing Eugene Horowitz (voice) (as Blake McIver Ewing) Eugene Horowitz (voice) (as Blake McIver Ewing) See fewer	The Little Rascals (1994)
Taylor Gifaldi Sid (voice) Sid (voice) See fewer	Monsters, Inc. (2001)
Mary Gross School Nurse Shelley (voice) School Nurse Shelley (voice) See fewer	Saturday Night Live (1975)
Olivia Hack Rhonda Wellington Lloyd (voice) Rhonda Wellington Lloyd (voice) See fewer	The Brady Bunch Movie (1995)
Alex D. Linz Arnold (voice) (as Alex Linz) Arnold (voice) (as Alex Linz) See fewer	Home Alone 3 (1997)
Tress MacNeille Arnold's Grandma (voice) Arnold's Grandma (voice) See fewer	The Simpsons (1989)
Anndi McAfee Phoebe Heyerdahl (voice) Phoebe Heyerdahl (voice) See fewer	Tom and Jerry: The Movie (1992)
Justin Shenkarow Harold Berman (voice) Harold Berman (voice) See fewer	The Mitchells vs. the Machines (2021)
Francesca Marie Smith Helga Pataki / Sheena (voice) (as Francesca Smith) Helga Pataki / Sheena (voice) (as Francesca Smith) See fewer	Hey Arnold! (1996)
Jamil Walker Smith Gerald Johanssen (voice) Gerald Johanssen (voice) See fewer	The American Dream (2011)
Christopher Walberg Stinky Petersen (voice) Stinky Petersen (voice) See fewer	Little Giants (1994)
David Wohl Principal Wartz (voice) Principal Wartz (voice) See fewer	Revenge of the Nerds (1984)
Adam Wylie Curly Gammelthorpe (voice) Curly Gammelthorpe (voice) See fewer	Picket Fences (1992)