Summary 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.
Directed : Unknown
Written : Unknown
Stars : Dan Castellaneta Francesca Marie Smith Jamil Walker Smith Justin Shenkarow
Genres : Comedy Animation Family
Release date : Mar 31, 2002
Countries of origin : United States China South Korea Thailand Taiwan
Official sites : Nickelodeon
Language : English
Filming locations : Nickelodeon Animation Studio - 231 W Olive Avenue, Burbank, California, USA
Production companies : Nickelodeon Animation Studios Snee-Oosh Productions
Summary 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.
Genres : Comedy Animation Family
Release date : Mar 31, 2002
Countries of origin : United States China South Korea Thailand Taiwan
Official sites : Nickelodeon
Language : English
Filming locations : Nickelodeon Animation Studio - 231 W Olive Avenue, Burbank, California, USA
Production companies : Nickelodeon Animation Studios Snee-Oosh Productions
