Patricia Forte

Meredith and Lexie's father returns to Seattle Grace with stomach pains and a new girlfriend; Alex butts heads with the new OB; Mark bribes Jackson for information on Lexie.

Sectionals is finally here for the Glee Club, but when Quinn’s secret unravels, the club may not be able to recover in time to compete. Meanwhile, Sue’s scheming hits an all-time high, and with Emma and Ken’s marriage looming, Will makes a decision that could change his life forever.

Alex has a mouse in her apartment and asks Dave to come over and get rid of it humanely. While there, Dave falls in love with their old place. He lets the mouse go so he can spend more time there. Penny takes a Krav Maga class. Jane joins the class, is way too intense, and kicks the crap out of Penny. Max accuses Brad of being a “gay-cist”.

Emergency personnel feverishly work to save the lives of children involved in a school bus crash. Mobalage's wife suffers from multiple stab wounds. Carter and Lucy refrain from sexual relations with each other due to hospital policy. Ross resigns from the hospital and decides to move to either Portland or Seattle. He asks Hathaway, his fiancée, to join him, but she declines. No criminal charges are filed against Ross for the death of Joi's terminal son. Anspaugh agrees to keep the clinic open, as long as Evans manages it--not Hathaway. Jeanie finds out she has Hepatitis C. Part 2 of 2

The Communist Witch Hunts of the 1950s come back to haunt the survivors when Rush and the team reopen an unsolved murder.