Hey Arnold!1996 | TV Show
Season 5, Episode 10 April Fools' Day
First Aired: April 1, 2002
Conclusion. After suffering through one too many of Helga's April Fools' Day pranks, Arnold decides to retaliate, but his joke backfires when his tormenter is temporarily blinded. Elsewhere, Stinky and Sid pull a gag with help from a snapping turtle.