Liz’s excitement to see Jack quickly fades as he insists that she’s still not over Floyd.

Meanwhile, Jerry Seinfeld shows up at Jack’s office in an upset mood after Jack announces his plan to use footage from Seinfeld to install Jerry into every current show on NBC, a strategy which he calls SeinfeldVision.

Finally, Kenneth becomes Tracy’s office wife when Tracy separates from his wife, and Jenna returns to set a whole lot heavier now that she has been involved in Mystic Pizza: The Musical!.

When Jack discovers that his boss is retiring, he decides to get in the competition for his position.

Meanwhile, Jenna begins to enjoy her fame for being fat and along with Jack encourages Liz to get her act together.

Finally, Kenneth makes it his mission to get Tracy and Angie back together.

Jack hires his own private investigator to lead GE in the wrong direction so that they will not be able to find any dirt on him that might put him in a compromising position.

Meanwhile, Angie announces that she will follow Tracy at all times to keep him in line, which Liz believes to be good until she covers for Tracy and gets on Angie’s bad side. Finally, Jenna starts to worry once she starts to lose all the weight she gained over the summer and her popularity begins to hang on the line.

Liz meets her longtime idol, Rosemary Howard, and invites her to be a guest writer on TGS with Tracy Jordan.

However, Rosemary’s ideas turn out to be too much for the show, prompting Jack to pressure Liz into firing her.

Meanwhile, Jack takes Tracy to a therapist to explain to him why he must do the opposite of what he is told, and Jenna ruins Kenneth’s page jacket – causing him to compete in a page-off to keep his job.

It’s time for Kenneth’ s annual hou se party – but he may be the only one excited about it. The soiree has only been attended by Liz in the past, so in order to get a better turnout Tracy spreads rumors that ultimately get out of hand.

Meanwhile, Jack deals with NBC’s new environmentally-friendly mascot, whose

newfound stardom goes to his head.