Markus goes home to his teenage daughter, Mathilde, when his wife dies in a tragic train accident. It seems like an accident until a mathematics geek, who was also a fellow passenger on the train, and his two colleagues show up.

1. "SeinfeldVision" - Jack invents "SeinfeldVision", which digitally inserts Jerry Seinfeld into every NBC show and Jenna returns from hiatus overweight due to her role in Mystic Pizza: The Musical. Tracy's wife Angie Jordan (Sherri Shepherd) kicks him out of the house, prompting Kenneth to become his "office wife".
2. "Jack Gets in the Game" - Jack hears that Don Geiss (Rip Torn) may be retiring and competes with Devon Banks (Will Arnett) to be Geiss' successor. Meanwhile, Jenna begins find out more...

This season is dominated by four main storylines, two of which are inspired by real life. The show's main leads, Liz and Jack both have some lifestyle changes to deal with as they enter new stages of their lives, with Liz turning 40 and entering true adulthood, complete with a legitimate relationship (with her pilot boyfriend Carol (Matt Damon)), while Jack marries his girlfriend Avery (Elizabeth Banks) and becomes a father. It's a big change for a series that's kept things relatively unchang find out more...

9. "Ludachristmas" - It's time for the annual "Ludachristmas" party for the TGS staff. Tracy is upset because he cannot participate in the party due to a court-ordered alcohol-monitoring bracelet. The Lemon family pay Liz a visits, as does Jack's mom (Elaine Stritch) to him.
10. "Episode 210" - Jack meets a German TV executive who is planning to buy a major cable TV network. Jack gives Liz financial advice, which motivates her to invest in some real estate, but she must appear before a find out more...

BONUS DISC: Episode commentaries, Outtakes, Deleted scenes, The table read for the episode "Cooter," 30 Rock Live at the UCB Theatre, a behind-the-scenes look at an episode of Saturday Night Live which was hosted by Tina Fey, and The Academy of Television Arts & Sciences Presents: An Evening With 30 Rock.

Episode 1: Do-Over. 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.
Episode 2: Believe in the Stars. 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 learns that some Olympic events were actually staged.
Episode 3: The One with the Cast of 'Night Court'. Jack ig find out more...

Episode 9: Retreat to Move Forward. Liz becomes an embarrassment to Jack when she accompanies him on a corporate retreat. Back at the show, Jenna and Frank sleep together, and Kenneth tries to scare Tracy into eating healthy.
Episode 10: Generalissimo. Elisa's grandmother hates Jack because he looks like an evil character in a telenovela. Meanwhile, Liz uses that character's underhanded moves to pick up on a sexy neighbour.
Episode 11: St. Valentine's Day. Liz has a disastrous firs find out more...

Episode 17: Cutbacks. Liz is willing to do anything to avoid cutbacks at T.G.S., while Jack is forced to fire his personal assistant and hire Kenneth as his part-time assistant.
Episode 18: Jackie Jormp-Jomp. Jack tries to turn an accidental obituary for Jenna into a marketing opportunity for her Janis Joplin-based biopic. Meanwhile Liz makes friends with a group of single women while away from work for sexual harassment.
Episode 19: The Ones. Jack has second thoughts about marrying find out more...