Rachel and Kurt pay a visit to Lima as the glee club launches its production of "Grease." Meanwhile, Cassandra July returns to shake things up in Rachel's life, and Santana comes back to lend a helping hand.
Episode number: 4x6 Airdate: Thursday November 15th, 2012
The episode begins with Will declaring his decision to leave McKinley temporarily and announcing Finn as his replacement. The students are shocked and Tina states that Finn doesn’t even know what he is doing. Finn assures them that he can handle. Sue summons Will and Finn to Figgins’ office. She doesn’t like the idea of Finn taking over. She then throws around things creating havoc and Figgins states that she is a menace to the State of Ohio. In NY, Cassie has brought some upperclassmen to help the freshmen to up their game. Rachael tells Brody that she has officially broken up with Finn. ..