Episode Title:Is Your Refrigerator Running.Episode Description:Jesse and Vinnie obtain a faculty phone list and use it to make prank phone calls until Mr. Besser finds out, but catches Vinnie only and makes him his helper for a week as punishment. When Jesse listens that Miss Graves wants to talk with his mother about something, he's convinced that she wants to tell his mother about phone pranks and fakes illness to stay at home and guard the phone. Meanwhile, Nancy pretends to be Polly's friend to join her and Penny in a weekend trip to the Lithuania Dance Festival.