03/12/2012 (10:00PM - 11:00PM) (Monday) : "Chemistry" - Ivy (Megan Hilty) faces major problems as her voice begins to fail her. Julia (Debra Messing) struggles to avoid Michael (guest star Will Chase) - but she can't. Eileen (Anjelica Huston) explores her inner hipster at a downtown dive bar with her new pal Ellis (Jaime Cepero), while Karen (Katharine McPhee) is an even bigger fish out of water, as she books a side gig at a bar mitzvah on Long Island. Jack Davenport, Christian Borle, Raza Jaffrey and Brian d'Arcy James also star. Will Chase guest stars.