Original air date: 01/11/2015 Runtime: 26:09 min. Season Four Premiere. After a congratulatory dinner with her parents, Hannah and Adam pack up the last of Hannah's boxes and discuss 'the plan' for their soon-to-be long-distance relationship. Marnie and Desi perform as part of a jazz brunch for a distracted crowd at a downtown restaurant. Shoshanna signs for her diploma with her parents, who make a bigger deal out of the event than Shoshanna thinks necessary. Jessa is confronted by Beedie's daughter Rickie, and later seems nonplussed by Hannah's impending departure.
Original air date: 01/18/2015 Runtime: 26:42 min. In her first days as a grad student, Hannah settles into her new life and discovers she can get more for her money, rent-wise, in Iowa. Later, during a video chat, Hannah slyly prods Marnie for intel about Adam. At her first seminar, Hannah warns her fellow workshop writers that her piece might trigger some intense emotions--but doesn't get the feedback she had hoped for.
Original air date: 01/25/2015 Runtime: 24:48 min. With only one class a week, Hannah finds herself doing a lot of nothing with her free time, while a visiting Elijah has become the social butterfly of Iowa. Ray gives Marnie a wake-up call about Desi's true intentions before their meeting with a record label. Shoshanna aces, then blows, a job interview. Adam unwittingly gets drawn into Jessa's chaotic web after an AA meeting. At a poets' party in Iowa, Hannah rants about the undue expectations put on women writers, and takes things too far in critiquing her classmates.
Original air date: 02/08/2015 Runtime: 28:37 min. Hannah is confronted by her classmates after leaving a non-apology apology letter in their cubbies. After getting rejected at yet another job interview, a frustrated Shoshanna spends a day with Ray. Creative and romantic tensions between Marnie and Desi reach their breaking point.
Original air date: 02/22/2015 Runtime: 23:51 min. Some soul-searching leads Hannah to an epiphany. Meanwhile, another disastrous interview for Shoshanna ends in a positive; Ray attempts to solve his neighborhood noise issue at a community board meeting; Marnie and Desi disagree on how to define their sound; and Adam is shocked by a revelation.
Original air date: 03/01/2015 Runtime: 25:26 min. Hannah goes for drinks with Fran, a new coworker, before attending an unusual art show. Later, she spends some time alone with Mimi-Rose, while Adam is unnerved by Mimi-Rose's friend, Ace. Meanwhile, Shoshanna helps Ray with his community board election campaign.
Original air date: 03/22/2015 Runtime: 31:35 min. Season Four Finale. Hannah, Adam and Jessa each try to convince Caroline and Laird to forgo their planned home birth. Shoshanna faces a crucial decision when presented with a unique job opportunity. After Marnie and Desi's meeting with a record label exec, Ray lets Desi know what he really thinks of him.