Jack tries to protect his job and the company when Devin returns to seek revenge; Tracy and Jenna try to make Liz's life miserable; Kenneth volunteers at an animal shelter.

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.

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.

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 Jack tries to cozy up to the owner of Kabletown, Liz fakes being pregnant to help Avery gain advantage over a competitive colleague. Elsewhere, Tracy and Jenna clash when trying to share a gift from their new bosses.

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.

Chaos builds when bigwig Hank Hooper marks "TGS" for cancellation, yet Jack persuades him to let the staffers stage the show's 100th episode.

With their show targeted for cancellation, the "TGS" crew desperately scramble to mount a top-notch production for their 100th episode. Meanwhile, Jack reconsiders a vital decision in his life, and Jenna mulls over motherhood.

Tracy Jordan challenges Liz by leading his own protest in defense of idiots everywhere. Jack faces off with Devin Banks yet again, but still finds time to interfere with Liz's relationship by giving Criss an ultimatum, and Liz tries to get rid of Jenna's new assistant.

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.

As her new kids arrive, Liz scrambles to save TGS from cancellation. Jack finds a new NBC president.