Hey Arnold!

Season 1, Episode 38

Episode Title: Arnold's Valentine

Air Date: 1997-02-14

Overview:

On Valentine's Day, Arnold manages to arrange two dates; one with Ruth, the sixth grader he likes, and one with his French penpal Cecile (actually, it's Helga in disguise) – only for the real Cecile to suddenly appear and Arnold to discover what Ruth is really like.