Jack falls in love with his mother's nurse, Liz begins dating a little person to avoid being caught in an embarrassing situation, and Jenna tries to get the lead role in ...

Liz has to spend Christmas without her family for the first time in her life. As compensation she participates in a 'Letters to Santa' charity program and buys presents f ...

After Don Geiss wakes from his coma and tells Jack that he plans to remain as CEO, a snow-in forces Jack to go with Liz to her high school reunion--where Liz learns, much ...

Liz thinks she's found the perfect mate in an eccentric, agoraphobic former CEO, and Tracy thinks that his sons are trying to kill him. ...

Jack ignores Liz's warnings and hooks up with her psycho ex-roommate from Chicago. Meanwhile, Tracy reunites some of the cast of Night Court for Kenneth, who is down abou ...

Liz sits next to Oprah on her flight from Chicago to New York, Tracy and Jenna conduct a social experiment to settle a dispute, and Kenneth is disillusioned when he learn ...

Jack comes back to GE, and is willing to do anything to get himself back in power. Meanwhile, Liz gets a visit from a caseworker from the adoption agency. ...

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 vi ...

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 ...

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 pornogra ...

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 ...

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 sta ...

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 ...

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, ...

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 sh ...

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 in ...

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 ...

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 pow ...

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 t ...

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 colle ...

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 wei ...

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 wed ...

Tracy is still missing and it seems as if the only one who knows where he is is Kenneth. But Kenneth is not willing to tell where Tracy went to. Tracy stays with Kenneth' ...

Eddie, Jack's brother, comes for a visit, who tells him that their father died. It turns out that Jack hasn't seen his father in 17 years and that Eddie took care of him ...

Kenneth becomes part of Tracy's entourage. And, while Kenneth treats Tracy honestly, it turns out that other members of Tracy's entourage have let him win computer and ba ...

Under pressure from deadlines, Liz's caustic wit is unleashed on her writing staff. Later she overhears them discussing her and is so upset that she first wants to fire o ...

Liz makes the staff work on Valentine's Day all night long. While Liz gets flowers and she doesn't know who send them to her, Pete forgets about the Valentine's Day, whic ...

Jenna and Liz meet two people working at NBC whom they call the head and the hair, because they don't know their names. Jenny sends Liz to ask the head for a date, but Li ...

Tracy wants Josh to be fired, because he doesn't like Josh's impression of him. Liz tells Josh to stop making the impression, but he doesn't. Cerie is engaged to a guy wh ...

Liz finally breaks up with Dennis, but he still hasn't moved out of her apartment. To celebrate the break-up, Jenna plans to take Liz out on a girl's night. Meanwhile, Li ...

Jenna was supposed to be on Conan O'Brien's show, but got bumped. Instead, Jack wants to send Tracy to the show as a guest. Tracy is worried about not having an interesti ...

Liz is back with her ex-boyfriend Dennis, who seemed to be an annoying character in the past. When Liz is on a date with him in a restaurant they meet Jack and Dennis emb ...