When Max the Magician (guest star Will Arnett) comes to Sesame Street, Elmo and his friends are excited for a fun magic show! Max makes a scarf appear and cards disappear and Elmo, Big Bird and Rosita are amazed, but Chris points out what Max is really doing is subtraction and addition. This story highlights these math areas and is followed by the rest of a full hour episode complete with additional math and number films as well as favorite segments such as Elmo's World, Murray Had A Little Lamb...