An angry Jerry Seinfeld goes to 30 Rock to confront Jack after he learns that Jack plans to digitally insert him into every current NBC program. Meanwhile, Liz buys a wedding dress, even though her marriage prospects are slim.

Jack's rival, Devon, comes up with a new plan to get in tight with Don Geiss. Kenneth has a plan to get Tracy jealous about his wife, and Jenna finds a way to use her weight gain to her advantage.

Jack is in the running for the G.E. chairmanship and hires a private eye to dig up any dirty secrets. The P.I. exposes Jack's enormous cookie jar collection (he was collector of the year under the pseudonym Victor Nightingale) and advises him to get rid of it. Jenna is more successful than ever now that she's overweight, but panics when it turns out her happiness is making her lose weight. Written by The TV Archaeologist

Liz befriends a female comedy writer from the 1960s who was one of her idols, until she realizes how pathetic the woman's life is now. Meanwhile, Jack has to find a way to talk Tracy out of taking up dog fighting.

Jack hires an actor to play the superhero Greenzo, who is to promote environmental consciousness (and G.E. products). But what happens when Greenzo becomes drunk with power?

Jack has a one night stand with a Democrat who is campaigning against one of NBC's sister companies, Liz suspects her neighbor is a terrorist, and Kenneth tries to raise money to buy Jack a pair of pants.

Liz catches a lot of heat at the office when she starts dating a 20-year-old boy toy, and Jack takes charge of Tracy's pitiful youth baseball team and tries to turn it into a winner.

Jack and C.C. are going to enormous lengths to keep their affair a secret. Jenna decides to act as crazy as demanding as Tracy in order to get the attention she things she deserves. This means Liz has no time at all to concentrate on Frank and Toofer who have taken on each other's identities. Written by The TV Archaeologist

Jack gets attached to Liz's nurturing parents because they provide the love and support he never got from his mom. The staffers get ready for their raunchy holiday party, but Kenneth changes their plans at the last minute.

Jack asks Liz to deal with a group of German TV execs so he can spend more time with C.C. but Liz has fallen in love with a piece of real estate. Tracy buys a cappuccino machine and gets Kenneth addicted to caffeine.

High off the success of MILF Island, Jack makes a move to become network chairman. But his career plans threaten to be derailed by a Page Six blind item that quotes a staffer calling Jack a Class A Moron. He acts quickly to root out the traitor. Written by IMDb editor

Jack asks Liz to book New York City's Subway Hero on the show, who turns out to be none other than Liz's clingy ex Dennis Duffy, aka The Beeper King. Meanwhile,when a TV star from the '40s and '50s, Bucky Bright, is the only celebrity Jack can secure for a John McCain fundraiser, he tries to persuade Tracy to lend his star power to the Republican Party. Written by IMDb editor

Don Geiss is prepared to name Jack as his replacement instead of his future son-in-law, and Jack is ready to name Liz as his replacement. Tracy tries to create a pornographic video game.

Jack's career at GE is on the line with Don Geiss in a coma, one of Liz's old flames comes back to town, and the guys confront the Teamsters on their sandwich day to get an extra sandwich for Liz.

Liz has a positive pregnancy test, and thinks that Dennis is the father. Meanwhile, Jack regrets taking the Homeland Security position, Tracy finishes his pornographic video game, and Kenneth tries to get a job at The Olympics.