Alex and Jane's sibling rivalry heats up; Dave dates an attractive woman (Bre Blair) with an unusual quirk; Penny gets an assistant

An old friend gets married, and the bride thinks Alex is a jinx; Penny and Derrick pretend to be engaged.

A concert outing goes awry.

Alex's string of "girls' nights out" doesn't sit well with Penny; Max pushes Dave to get even.

A big chain coffee store becomes Alex's competition; Dave runs into his high school teacher.

Former couple Dave and Alex regret their couples tattoos; Jane feels Max is missing Mr. Right.

Dave shocks everyone by quitting his job and plans to open a restaurant; Jane and Max face off in silly challenges; Penny is exhausted by trying to keep up with her new boyfriend's friends.

Brad plays matchmaker to a co-worker; Penny regrets inviting Jane to her martial-arts class; Dave helps Alex with odd jobs, leading his friends to think he wants to get back together with her.

When Brad's dad receives good news on some medical tests, his new view on life is difficult for Brad to accept; Penny meets an attractive Italian, but she can only speak to him when she's drunk.

Max's friends encourage him to tell his parents he is gay; Penny meets her perfect man.

Jane thinks she and Brad should befriend a sophisticated couple; Max and Dave notice that things are disappearing from their apartment; Alex starts dating an artist.

Dave's fling begins turning into a relationship he doesn't want; Jane tries to help Alex find a roommate.

After Alex leaves her fiance, Dave, at the altar, they struggle to maintain relationships with their mutual friends.