April Fool's Day Hey Arnold! : Season 92 Episode 14
TV-Y7 Nickelodeon 15m
Aired: April 1st, 2002 @ 6:30 PM EST on Nickelodeon
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.
