30 Rock

As the cast and crew of TGS with Tracy Jordan returns for a new season, Liz is excited to see Jack again. However, her excitement quickly fades as Jack insists that Liz is still not over Floyd. Meanwhile, Jerry Seinfeld shows up at Jack's office in an upset mood after Jack announces his newest plan. 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. However, when he is asked to give up his cookie jar collection, Jack finds the task too much of a challenge. 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.

When Liz meets her idol, Rosemary Howard, she invites her to be a guest writer on the show.

It's time for Kenneth's annual house 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 new-found stardom goes to his head.

Jack falls for a congresswoman he meets at a cocktail party and despite the fact that they hold opposite views, the couple agrees to put politics aside and have a secret affair. Meanwhile, Liz believes her Middle Eastern neighbor to be a terrorist and tips off Homeland Security, creating a big mess.

As part of his community service, Tracy must coach a little league team. All goes well until Jack takes interest in the team and turmoil starts from there. Meanwhile, Liz is asked out on a date by Jamie, the new coffee boy, who thinks Liz is actually younger than she truly is.

C.C. wants to go public with her love for Jack, while Liz works at appeasing both Tracy and Jenna.

The cast and writers of TGS prepare their annual Ludachristmas party in the writer's room.

Jack and C.C. try to make their long distance romance work, Liz decides to invest in real estate, and Kenneth becomes addicted to caffeine.

Just as "MILF Island" takes off, Jack suffers a setback when somebody runs a terrible quote in the New York Post calling him a "Grade-A Moron".

Dennis becomes a New York City celebrity after jumping in front of a train and saving someone who fell on the tracks. Meanwhile, Jack desperately tries to persuade Tracy to become the celebrity face of the Republican Party.

Liz is shocked when Jack is promoted and names her his successor.

Floyd stays at Liz's place overnight when his flight is canceled. Meanwhile, Jack is demoted to the 12th floor, causing him to question his future status at the company. Finally, the staff celebrates Annual Sandwich Day with mysterious sandwiches from a secret location in Brooklyn.

Jack hates his new job in Washington while back in New York, Liz deals with a pregnancy scare.