Jack from Jack and the Beanstalk shows up with a problem: He has a cow, but he needs a beanstalk! He knows he's supposed to trade the cow for something, but doesn't know what. Can Leela and Telly help him figure out what to do? Plus: Debi Mazar visits the street to talk about the word "humongous." Murray learns to play soccer and Super Grover tries to help Sarah Jessica Parker as she waits for a mysterious "Big" on Sesame Street. Brought to you by the letter Z and the number 1.