A. Helga preforms impressions of her classmates at the ""Coco Hut"", and they get offended and start ignoring her.
B. When school is out, Mr. Simmons' class gets stuck in the school because of an upcoming flood. When the class starts getting out of control, Arnold has to think quick.
click here to see where to watch or .
Ready to Watch Hey Arnold, Season 3, Episode 15?