Artur Sezon 11 Odcinek 4: Phony Fern / Brain's Shocking Secret

Fern gets a cell phone. Will she let texting and constant phone calls get out of hand now that Muffy is her phone buddy? Brain is the smartest kid in his class. Everyone knows that! What they don't know is that he was kept back in kindergarten. That's a fact Brain would like to keep secret!