Jimmy and Gretchen find themselves falling for each other despite their better judgment.

Jimmy attempts to take Gretchen on a date.

Gretchen inadvertently asks Jimmy for a key to his house.

Gretchen makes Jimmy come over to her disaster of an apartment.

Jimmy begrudgingly joins Gretchen, Edgar, and Lindsay on a "Sunday Funday."

After Jimmy accidentally sleeps with an A-List celebrity, he and Gretchen embark on a sex arms race to even out their score.

Jimmy opens up emotionally, which completely freaks Gretchen out.

Jimmy meets Gretchen's parents.

An episode spanning the course of nearly three years, we see the events that lead up to Gretchen and Jimmy meeting.

Jimmy and Gretchen take their relationship to the next level.

Jimmy and Gretchen adjust to life after saying I love you. Edgar and Dorothy have sexual problems. Lindsay and Paul start a new hobby.

Gretchen starts therapy; Jimmy's confidence wavers; Lindsay neglects a bedridden Paul.

Everyone comes together to break some big news to Jimmy.

Gretchen helps Jimmy process a tragedy. Lindsay decides she wants to be a good mom.

Edgar spends the day trying to find some relief for his PTSD.

The gang embark on a very special Sunday Funday.

Gretchen and Jimmy hold an unconventional funeral. Paul struggles to give Lindsay what she needs sexually. Edgar takes a stand against the VA.

Gretchen parents her friends with mixed results. Jimmy does Vernon’s podcast. Edgar embarks on an alternative therapy. Lindsay pushes Paul too far.

Vernon and Paul take a road trip.

Jimmy builds a tree house. Gretchen accompanies Lindsay during a potentially emotional event. Edgar's professional life flourishes to Dorothy's dismay.

At a wedding together for the first time since the day they met, Jimmy and Gretchen's tensions come to a head. Edgar's relationship is jeopardized by his newfound success. Lindsay is forced to come clean to Paul.

The three couples engage in day-long fights.

Jimmy and Gretchen investigate a murder site. Lindsay sees a new side of Paul. Edgar makes a sacrifice with unforeseen consequences.

Jimmy and Gretchen tell the story of their love to a prospective wedding planner.

Jimmy and Gretchen reveal that they're forgoing a traditional wedding, opting instead for a Courthouse elopement.

Jimmy challenges Gretchen to tackle some of the responsibilities that come with being an adult.

Jimmy unexpectedly receives a large advance and must fend off all his “friends” who just want a piece of the pie.

Jimmy attempts to prove that, despite being on the verge of becoming a married man, he has not lost his edge. Edgar and Lindsay attempt to go on a real date.

Jimmy “gifts” Gretchen a week of no-strings-attached sex.

Gretchen and Jimmy make “couple friends.”

Paul, Vernon, and Becca air their dirty laundry on a weekend getaway.

Edgar and Lindsay plan the most epic Sunday Funday yet.

Gretchen’s anxiety comes to the surface at a major event she’s organized for her new client.

Gretchen maintains an elaborate act of deception while Jimmy prepares for the big day.

The day before the wedding, Gretchen’s mom comes to town and Edgar takes Jimmy on an epic best-man date.

On the day of their wedding, Jimmy and Gretchen grapple with the meaning of marriage.