Jack Donaghy (Alec Baldwin) meddles in Liz Lemon's (Tina Fey) burgeoning relationship with Carol (Guest Star Matt Damon).

Liz Lemon (Tina Fey) uses her new found confidence to win over an editor (guest star Paul Giamatti). Elizabeth Banks also guest stars.

Jack Donaghy (Alec Baldwin) attempts to charm Congress during the Kabletown hearings. Rob Reiner and Queen Latifah Guest Star.

On show night, Liz grows increasingly infuriated when no one seems to remember that it's her 40th birthday. Just before the taping, Tracy becomes convinced that nothing is funnier than a performer laughing and breaking character, which he elects to do all night, much to Jenna's chagrin. Meanwhile, Jack struggles with the consequences of his promise to give up drinking while Avery is pregnant.

Jack (Alec Baldwin) tries to use his perfect day to save Liz's (Tina Fey) relationship. Kelsey Grammer guest stars.

Avery (Guest Star Elizabeth Banks) pushes Jack to set boundaries in his relationship with Liz (Tina Fey).

Jack (Alec Baldwin) tries to sway a congressional election for the benefit of the network. John Slattery guest stars.

Jack (Alec Baldwin) tries to find a glitch in GE's new microwave design.

Jack (Alec Baldwin) advises Liz (Tina Fey) to find a therapist.

Liz (Tina Fey) and Avery (Guest Star Elizabeth Banks) convince Jack (Alec Baldwin) to tell his mother (Guest Star Elaine Stritch) two big secrets. Alan Alda and Will Forte also Guest Star.

Liz Lemon's New Year's resolution complicates Jack's wedding plans.

Tracy brings his wife's reality TV crew with him to the TGS show.

Jack tries to impress the owner of Kabletown, while Liz pretends to be pregnant to help Avery (Guest Star Elizabeth Banks) with her co-worker Carmen Chao (Guest Star Vanessa Minnillo).

Both Jack's and Liz's romantic getaway plans are foiled. Elizabeth Banks, John Cho and Matt Damon guest star.

Jack loses his negotiating edge while Jenna tries to distract Liz with a rebound.

Liz Lemon hires a new guest writer in order to prove a blog wrong. Chloe Grace Moretz guest stars.

On a "TGS"-centered episode of Angie's reality show, Liz (Tina fey) struggles to convince Angie (guest star Sherri Shepherd) to lure Tracy back from Africa.

With "TGS" on hiatus, Liz (Tina Fey) and the rest of the "TGS" crew try to find other jobs. Aaron Sorkin and Will Arnett guest star.

Liz (Tina Fey) must find out where Tracy (Tracy Morgan) is hiding. Phil Rosenthal guest stars.

With "TGS" on the brink of cancellation, Liz (Tina Fey) and her staff have one last chance to prove themselves with their 100th Episode. Part 1 of 2.

With "TGS" on the brink of cancellation, Liz (Tina Fey) and her staff have one last chance to prove themselves with their 100th Episode. Part 2 of 2.

Liz Lemon (Tina Fey) is determined to fix the problems in her personal life.

Liz Lemon's (Tina Fey) summer vacation is interrupted when Tracy (Tracy Morgan) shows up.