04/20/2013 (09:00PM - 10:00PM) (Saturday) : It's "Bombshell's" opening night. As Ivy's (Megan Hilty) nerves get the better of her, support comes from an unlikely source. Meanwhile, Tom (Christian Borle) and Julia (Debra Messing) look to their next project. "Bombshell's" success may be in jeopardy as Eileen's (Anjelica Huston) issues with Richard (guest star Jamey Sheridan) come to a head. Jimmy (Jeremy Jordan) finally opens up to Karen (Katharine McPhee) about his past, but is it too little too late? Jack Davenport, Krysta Rodriguez and Andy Mientus also star. Rosie O'Donnell, Bernadette Peters, Jesse L. Martin and Jamey Sheridan guest star.