30 Rock: Season 2, Episode 4

2 - 4: Rosemary's Baby

Liz meets her childhood idol, comedy writer Rosemary Howard (Carrie Fisher), only to discover that Rosemary is a lonely woman still clinging onto a 1970s mindset. Jack helps Tracy with some unresolved issues in a therapy session and Kenneth is forced to compete in a "page-off" to keep his job.