S1, E3: Helga has been secretly building a shrine in her closet to Arnold.  She has been collecting his combs, old school photos, used band-aids and chewing gum, but only one thing will make the shrine complete: Arnold's hat.  After several failed attempts to get it, the wind literally blows it into her lap.  Arnold is deeply affected by the loss of his hat since it is the last gift he received from his parents before they left him with his grandparents.  Helga starts to feel sorry for him and attemptst to return the hat to him. Meanwhile, Grandpa teaches Arnold that it's not how you look that's important, but who you are inside. Arnold has to retrieve the football from the lair of the legendary Stoop Kid - a bully who, according to neighborhood legend, pounds anyone who sets foot upon his domain.  Arnold learns the Stoop Kid can't leave his stoop and the rest of the neighborhood bully the Stoop Kid in return.  Arnold secretly helps the Stoop Kid overcome his fears and come down off his stoop.