Jenna prepares an emotional farewell song as the cast and crew reunite for one final "TGS".

Liz has trouble adjusting to being a stay-at-home mother. Jack takes stock of his life, and Tracy struggles to get on without Kenneth.

Liz schedules a root canal to avoid feeling lonely on Valentine's Day; Jack woos an attractive and successful TV host; Jenna's stalker loses interest.

Liz questions fate when she meets the man of her dreams, while Jack's love triangle between high school love, Nancy Donovan, and CNBC anchor, Avery Jessup, comes to a head. Meanwhile, Jenna's boyfriend is confronted with a similar dilemma when his desire for another woman threatens to ruin their relationship, and Kenneth, with the help of Tracy, tries to avoid a promotion that would land him in LA.

Jack manages to convince a reluctant Liz to attend her high school reunion. Meanwhile, Don Geiss awakens from his coma and shocks Jack with a declaration of who he wants to be the CEO of GE. A shaken Jack decides he needs to get away and blow off some steam, but tags along with Liz to her reunion instead due to bad weather.

Liz's scripted version of Jack and Avery's love story leaves Jack confused and frustrated by his feelings for Diana. Meanwhile, Jenna and Tracy attempt to beat Weird Al Yankovic at his own game, and Kenneth gets an unexpected new job at NBC.

A reality TV series trails Tracy, which Liz tries to exploit for her own gain. Jack does his own exploiting: He attempts to make a fast buck off natural-disaster telethons. And Lutz sets out to increase his worth in the event of an apocalypse.

Budget cuts at the company impact the "TGS" gang. Elsewhere, Liz's New Year's resolution adds a potential snarl to Jack's wedding; Jenna and Danny share a dressing room; and a health scare hits Tracy.

Liz uses her newfound confidence to solve Pete's problem with a difficult editor (Paul Giamatti); Jack tries to cheat mortality; Tracy vows to be present when his wife gives birth.

Fed up with New York City after being mugged, Jack sets out to protect the safety of the city's elite by announcing his run for mayor. Meanwhile, Liz revels in sacrificing the good of the city to look out for her own interests, and Jenna and Paul are thrilled by the perversion of acting like a normal couple.

Liz heads to Chicago to get out of jury duty and on her flight back to New York she is assigned a seat next to Oprah. Liz seizes the opportunity to ask Oprah for advice with some of the problems she's been having. Back in New York, the feud continues between Tracy and Jenna, and Jack's morals are tested by Kenneth after an Olympics snafu.

While Jack puts together the perfect 50th birthday party for himself, home videos inspire him to try to recreate his happiest moment. Dennis decides to tell Liz about his addiction. Meanwhile, Kenneth and Pete work to make Tracy's childhood dream come true.

Kabletown chooses to stop funding live shows for TGS. While Liz and Jack embrace the change, Kenneth argues that live format should be kept intact, and he tries to convince the TGS staff to fight for their right to be live by taking them and our audience through a magical look back at the illustrious history of Studio 6H. The episode was filmed twice. The East Coast version aired for the Eastern, Central and Mountain time zones. The West Coast version was aired in the western, Alaskan and Hawaiian time zones.

Worried that Liz's hectic lifestyle may be too much to adopt a child, Bev, the adoption agent, visits the set. Panicked, Liz tells everyone to act normal, but chaos soon ensues as a fight arises between Jenna and Tracy. Meanwhile, Jack returns to 30 Rock and vows to do whatever it takes to get his position back from Devin.

Jack bumps Jenna's scheduled appearance on 'Late Night with Conan O'Brien' by booking new star Tracy. Jenna, still irate over watching the show change to "TGS with Tracy Jordan," lashes out at Liz. To make matters worse, Tracy's gone off his medication and he's about to go on national television.

Liz gives attention to her building relationship with Drew, and discovers that he has been granted special treatment in life due to his pleasing appearance. Meanwhile, Jack goes all out to re-sign Tracy now that his contract has expired. And Jenna's latest ploy to attract attention is to change her hairstyle.

Jack's determined to save Liz's relationship with Carol and Tracy shoots a commercial.

Jenna hatches a surprising new plan to get publicity, while Jack finds himself begrudgingly playing parent to his teenage nemesis, Kaylie Hooper. Liz rejects the new authority Kenneth has over “TGS” with his new job in Standards.

Liz wonders if she's actually on a date with Jack as she accompanies him to a birthday celebration for a foreign prince. While at the ball, Liz sees a different side to Jack as he unexpectedly runs in to his ex-wife. Back at 30 Rock, Tracy tempts Pete with a booze- and babe-filled party in the office, while Kenneth tries to keep Pete on the straight and narrow.

Jack sees an opportunity for budget cuts when Josh's contract is up, forcing Liz to go out of her way to motivate Josh into staying with TGS and not moving on to a rival show. Meanwhile, Kenneth earns a coveted spot in Tracy's entourage and Jenna gets in trouble over a misquote in Maxim.

Liz tries to begin a relationship with a new tenant after accidentally receiving his mail. Meanwhile, Jack's appearance causes Elisa's grandmother to disapprove of the relationship, and Tracy has trouble maintaining the lifestyles of Wall Street frat boys.

Tracy becomes frustrated in his attempts to anger Liz. Jack questions the family value of the network's new talent competition and Kenneth awaits the Rapture.

Jack's biological father's health hangs in the balance as the pair start to build a relationship. Liz draws some attention as a relationship expert, despite her own many failed relationships, after an appearance on a talk show. Tracy is invited to speak at his old high school and Kenneth helps him overcome some embarrassing memories from those years.

Liz finds a secret weapon to help in her contract negotiations with Jack, Kenneth leaves his job because he feels under-appreciated, and Tracy and Jenna perform at their accountant's ungrateful son's Bar Mitzvah.

In the second season finale, Jack moves on to a new job involving politics in Washington, but the position is not quite what he anticipated. Meanwhile, Liz suffers a pregnancy scare, Kenneth confronts rival page Donny when applying for a summer job, and Tracy works on his latest invention.

As TGS' summer hiatus approaches, Liz deals with the difficulties of her long-distance relationship with Floyd while she enlists Kenneth's help in locating on-the-lam Tracy. Meanwhile, Jack's impending marriage to Phoebe brings his mother, Colleen Donaghy to town.

Determined to prove his marriage has survived Avery's kidnapping unscathed, Jack asks Liz to officiate their vow renewal. Meanwhile, Criss tries to convince Liz that he's worth sticking around for. Tracy meets with Cornel West to discuss his influence as a black celebrity.

Liz and Jenna work on their dating game when they're beguiled by two very different MSNBC staffers: a brainy geek and a brawny hunk, but cerebral Liz finds it strange that she's more interested in the attractive one. Meanwhile, Kenneth and Jack switch roles.

Jack sets Liz up on a blind date to show her what she's missing in her relationship with Criss. Meanwhile at KableTown, Jack has to scramble when his plan to manufacture couches hits a speed bump. With Tracy's help, Jenna orchestrates a public meltdown to get Paul's attention.

30 Rock is left in shambles by the cast and crew after Liz is called away for jury duty. Meanwhile, Jack fails to listen to everyone when he becomes obsessed with launching a new big-money product.

Criss and Liz decide to celebrate Valentine's Day, but they need to buy a dining room table first. Jack entertains his mother-in-law, Diana, as Jenna frantically looks to Pete to fill in last-minute as the producer of her first live performance on "America's Kidz Got Singing." Back at the office, Tracy and Frank try to help Lutz find someone to spend Valentine's with.

Jack asks Devin Banks to help him discredit Kaylie Hooper, Jack's teenage nemesis and KableTown's future CEO. Liz considers her options as she tries to become a mother. Tracy directs Octavia Spencer in his movie.

Jack’s interest in a new social networking site unexpectedly reconnects him with a high school crush. Kenneth tries to organize a Secret Santa Fun Swap, but not without resistance from some of the staff members. Meanwhile, Liz battles the task of buying a gift that’s good enough for Jack, and Jenna is horrified at the prospect of sharing her annual Christmas solo.

Tracy challenges Liz by leading his own protest in defense of idiots everywhere. Jack faces off with Devin Banks yet again, and the Best Friends Gang is reunited when Kenneth and Jenna call for the help of Kelsey Grammer.

Avery Jessup becomes suspicious of the relationship her fiancé Jack Donaghy has with his employee and friend Liz Lemon, so she orders Jack to set boundaries in their friendship. This proves a problem for Liz when her father, Dick Lemon arrives in town on a break from his marriage. Meanwhile, actor Tracy Jordan is upset when he discovers that his pre-recorded NBC obituary shows him to have done nothing worthwhile in his life, whilst Jenna Maroney learns of the video obituaries, she decides to make a video of her own.

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!.

On show night, Liz Lemon grows increasingly infuriated when no one seems to remember that it's her 40th birthday. Just before the taping, Tracy Jordan becomes convinced that nothing is funnier than a performer laughing and breaking character, which he elects to do all night, much to Jenna Maroney's chagrin. Meanwhile, Jack Donaghy struggles with the consequences of his promise to give up drinking while Avery is pregnant. The episode was filmed twice. The East Coast version aired for the Eastern, Central and Mountain time zones. The West Coast version was aired in the western, Alaskan and Hawaiian time zones.

Liz hires a new female writer after a blog declares "TGS" misogynistic. Meanwhile, Jack plots his takeover of Kabletown by zeroing in on his main competition--the CEO's granddaughter.

Liz insists that she and Drew have their first official date on Valentine's Day. Elisa brings Jack to church to celebrate the day, which is very different from the way he traditionally celebrates. Kenneth employs the help of Tracy to try to win the affection of a new worker.

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 and a very pregnant Avery take a romantic break in Canada. When Avery goes into labor, the power couple desperately scramble to not give birth to a Canadian. Meanwhile, Liz's getaway with Carol gets grounded, literally, when their plane collects dust on the tarmac. And Tracy is an EGOT winner, but with that comes overwhelming demands.

Angie brings "Queen of Jordan'' back to TGS. News about Avery forces Jack to confront his feelings for her mother, and Liz finds herself in a feud.

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 Lemon is the head writer on a demanding, live TV program in New York City. However, things begin to get complicated when her new boss insists that a wild and unpredictable movie star joins the cast.

Angie's reality show visits "TGS", resulting in a red-faced situation for Jack, Jenna pining for attention, and Liz leading a scheme to lure Tracy back from Africa. Meanwhile, Frank reconnects with a lost love.

Liz struggles in her new role as mentor to Hazel. Kenneth has a difficult time letting go of his page duties and takes drastic measures to make sure Tracy is taken care of. Meanwhile, Jack and Jenna come up with a plan to get Avery back in the headlines.

As cancellation looms for "TGS", Liz snoops with Kenneth to find a missing Tracy. Meanwhile, Jack works his magic to ensure the financial success of Jenna's newest endeavor; and an emasculated Pete organizes a manly contest for the writers and crew.

Liz struggles to keep Jack out of the writers' room and Kenneth soon learns that working for Tracy may be more than he expected.

After Liz takes her ex-boyfriend, Dennis, back simply because he asks, Jack takes it upon himself to mentor her as he thinks that she is leading a life of mediocrity. Meanwhile, Tracy gets a tattoo in the face, Jenna gets botox and collagen injections, and Josh is given two black eyes by an angry Liz Taylor.

Liz discovers that the TGS staff have been excluding her from their weekly hangouts, and strives to prove that she can be fun. Jack must choose between janitors and the shift time they both want, and Kenneth aids Tracy Jordan in being a good husband.

Now that major changes have occurred on the The Girlie Show, Liz struggles to bring everyone and everything together. However, despite his erratic behavior, Tracy manages to bring everything to order.

A curse strikes TGS. Liz dares to be different after realizing that the same things happen every year, and Jack vows to wow Hank Hooper.

Tracy and Jack engage in a battle of wits after Tracy depicts Jack as a villain in his latest project. On Jack's advice, Liz puts her own needs ahead of those of "TGS." Meanwhile, Jenna tries to shield Kenneth from Hazel's manipulation but her own selfishness gets in the way.

When Liz finally dumps her boyfriend Dennis, she prowls the singles scene under Jenna's tutelage. Love also stinks for Jack, as he discovers dating a Bush administration official has its downside. And Tracy and Toofer clash, which lands both in sensitivity training.

Jenna's mother comes to visit, and she looks to Jack to help. Frank moves in with Liz as a boarder, and they decide to aid one another stop some bad habits.

Flu is spreading amongst the "TGS" cast and crew fast, and Liz is determined not to catch it too. Dr. Spaceman is giving vaccinations, but Jack is being selective about who gets one. Liz is offered one, but refuses to accept it, championing the rights of the crew. Meanwhile, Jack must be creative if he is to spend any time with Elisa, since she is working seven days a week.

As Christmas nears, Liz's parents ditch her for a couples-only retreat, leaving her all alone for the holiday. Because of this, Liz decides to work for a charity program, "Letters to Santa." Meanwhile, Jack takes his frustration out on the staff after his dream holiday is ruined.

Liz tries to turn her personal life from drab to fab by revamping her dream apartment. Meanwhile, Avery is held hostage, and Tracy discovers that Kenneth, Dot Com and Grizz have forged a solid bond while he was away.

Jack and Liz search for new talent as they travel to Kenneth's hometown. Jenna makes an attempt to become friends with the writers. Tracy fears he may die next after a pair of celebrities pass away.

Jack recommends that Liz start seeing a therapist when she worries that Carol is getting bored with their relationship. In an attempt to take Jack's advice, Liz begins talking to Kenneth about her problems. Jack also finds himself caught up in one of Tracy's schemes when Tracy tries to convince him to invest in his son's theme restaurant in Times Square. Meanwhile, Jenna and Paul celebrate their six month anniversary.

Jack and Liz find themselves at odds over political satire at "TGS". Criss and Liz make a surprising relationship breakthrough. Meanwhile, Jenna, discouraged by the disappointing sales of her summer dance hit, is thrilled to learn that Kenneth's mother and her boyfriend still buy music.

Hoping to boost staffers' spirits, Liz takes TGS on the road, but Jack takes over for his own reasons, and the staff find reasons to blame Liz for all that's wrong in their lives.

As shocked as she is to be called the c-word by Lutz, Liz is more horrified to realize he may be right. Meanwhile, Jack brings Tracy to a charity golf event to get closer to the chairman, however his plan backfires when Tracy acts too much like his uncensored self.

Liz searches for a man she met in her dentist's waiting room. Jack fears for the future when he learns a cable company may have its sights on NBC. Jenna helps Tracy try to get a Tony award.

Jack forces Tracy to attend the Source Awards and Kenneth has words with a rap artist. Meanwhile, Liz goes to great lengths to prove to her African-American date that she's not racist.

Tracy regains his sense of smell and finds an unusual father figure in Liz, while the writers spark a prank war with Jenna.

The "TGS" gang returning from hiatus, only to be shocked by Jack's awful fall programming lineup. Meanwhile, bridezilla Jenna taps Liz to be her maid of honor, and Tracy is invited to a dinner party by Kenneth and Hazel.

Jack's mom upstages his ribbon-cutting ceremony. Meanwhile Jenna hooks up with a "rock star" and Tracy frets about his son heading to college.

It's Valentine's Day, and the TGS crew is celebrating by pulling an all nighter to put together a new episode. While Pete completely forgets the holiday, Kenneth and Cerie may be starting an office romance. Meanwhile, Liz wonders if Dennis is back in her life after she receives flowers from a secret admirer and newly divorced Jack wants to party with Tracy, who for once wants to spend a night alone with his wife instead.

Jenna annoys Liz with her wedding envy, Jack devises a plan to avoid disappointing his visiting mother and Tracy attempts to cheer up Kenneth.

Jack goes shopping for an engagement ring, for Elisa, with Liz. Elisa tells Liz a secret, and a prank results in an injury back at TGS.

Jack demands changes to make TGS both more relatable to average Americans and more cost-conscious and sends Liz and Pete to search for fresh blood. Kenneth organizes a strike by the pages.

Jack helps his brother Eddie land a job at 'TGS', Liz is forced to make desperate staff cutbacks, and Tracy seeks spiritual fulfillment with help from Kenneth.

Sick of New York and frustrated with his career, Floyd contemplates a move to the Midwest and asks Liz if she's consider leaving TGS behind. Jack rushes to Paris (and soon, the altar) with Christie's auctioneer Phoebe while Tracy works furiously on financing his latest career move, dubbed the "Tracy Jordan Comeback."

Despite the 50th episode of TGS airing, everyone is preoccupied with news of budget cuts. Jack has to dole out cutbacks while Kenneth has to take on extra duties. Meanwhile, Liz tries to save her staff and crew and Jenna and Tracy try to uncover Kenneth's secret.

Liz befriends a pregnant teenager from a donut shop she visits in the hopes to adopt her baby. Kenneth plans a combined birthday party for Tracy and Jenna, but Jenna wants all of the attention and a party of her own. Jack agrees to go out and party with Frank to keep his mind off of his absent girlfriend and ends up bonding with him over their parental issues.

When Liz reprimands Tracy in front of the TGS staff, Tracy asks Liz to stop giving him preferential treatment. Liz agrees, but Tracy thinks that Liz should give up some of her privileges also. Jack remembers some unpleasant memories of his father after his mother, Colleen, visits. Jenna adopts a pet gibbon.

Liz works to prove to Tracy that women are funny while simultaneously attempting to head off a meltdown from Jenna after some negative publicity. Jack tries out an unconventional dating strategy.

Liz and Pete try to rig the audition process; Tracy and Jenna decide they should conduct their own search for the next 'TGS' star.

Liz and Avery try to persuade Jack to disclose two secrets he's been hiding from his mother, who visits for the holidays. Then, Liz tries to repair Jenna's relationship with Paul; and Tracy tries to block his film's release because it undermines his newly invented serious persona.

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.

Realizing that Jenna could decide the Presidential election, Liz and Jack stage a debate to win her support and her followers. Kenneth turns to Tracy for advice on how to be an informed voter, while Pete tries to recreate the magic of the 2008 election.