an Entity references as follows:
"Rosemary's Baby" is the fourth episode of the second season of 30 Rock, and the twenty-fifth episode overall. It was written by Jack Burditt and was directed by Michael Engler. The episode first aired on October 25, 2007 on the NBC network in the United States. Guest stars in this episode include Carrie Fisher, Paul Scheer, and Stuart Zagnit.