Fiona juggles her job and a crush. Lip heads back home.

Frank enlists Carl to scare off the lesbians. Debbie throws a wild party.

Frank retraces the path of an epic bender. Fiona and Gus head to city hall.

Fiona's plans to announce her marriage unravel. Mickey asks for Lip's help.

Fiona is thrown into chaos by the return of Jimmy. Ian takes Mickey's baby.

Ian finds himself at the psych ward. Fiona decides between Jimmy and Gus.

Gus tells Fiona he's leaving to go on tour. Frank seeks revenge on Sammi.

Frank plays tour guide for his doctor. Fiona preps Carl for sentencing.

Frank has a ball with his new sick friend and formerly uptight doctor.

Frank grows concerned as Bianca's behavior becomes erratic and dangerous.

Fiona reunites with Gus. Frank works to keep Bianca happy. Season finale.