12/15/2007 (09:00PM - 09:30PM) (Saturday) : When Liz (Tina Fey) meets her idol, Rosemary Howard (Guest Star Carrie Fisher), she invites her to be a guest writer on the show. However, Rosemary's radical ideas that Liz grew up admiring are now too controversial for Liz's NBC show. When Liz refuses to fire Rosemary, Jack (Alec Baldwin) pressures Liz, who promptly quits. Jack brings Tracy (Tracy Morgan) to a therapist to figure out why he must do the opposite that he is told. Meanwhile, after Jenna (Jane Krakowski) ruins Kenneth's (Jack McBrayer) page jacket, Kenneth must compete in a page-off in order to keep his job. Carrie Fisher guest stars; Scott Adsit, Judah Friedlander, Lonny Ross, Katrina Bowden, John Lutz, Maulik Pancholy, Kevin Brown and Grizz Chapman also star.