Ian tests Fiona's patience and resolve by bringing a messy “Occupy Fiona” movement right to her front door. Lip struggles to get Professor Youens to court for his DUI trial. Meanwhile, a now unemployed Frank goes on a job hunt and Carl gets a feisty new rehab client with a plan to help him get the rest of his tuition.

Frank starts a booming import-export business. Fiona considers moving into her own place after Ford shows her a side of Chicago she's never seen. Meanwhile, Lip interviews new sponsors, Ian confronts a pastor trying to "pray the gay away" and Debbie deals with being unemployed while looking for a way to afford school and raise Franny.

Frank's business takes a turn for the worse, sending him on the run through the Great White North. Ian's run-in with a minister brings about some unexpected allies. Meanwhile, Fiona tries (and fails) to fit in with Ford's group of friends, Carl's new girlfriend suffers separation anxiety and Lip must decide whether to tell Sierra about Charlie's past.

Ian's fame in the LGBTQIA community explodes but the sudden surge of 'followers' may be more than he can handle; Frank, however, finds a way to cash in. Meanwhile, Fiona struggles with her conscience when she learns about a worker who fell off her roof and Lip realizes his relationship with Professor Youens may not have been as special as he thought.

Fiona's homeless tenants barricade themselves inside her apartment. Lip takes in a terrified Sierra and Lucas when her father is released from prison. Meanwhile Ian, despite warnings, provides sanctuary to a runaway teen, Frank considers his retirement and Debbie must choose between paying for school and paying for surgery to keep her toes.

Fiona taps deep into her Gallagher roots to get the homeless family out of her apartment and dismiss their lawsuit. An explosive incident sends Ian and some of his followers into hiding from the authorities. Meanwhile, Lip makes a difficult decision in order to have the life he really wants, Carl looks for a way to go back to school without upsetting Kassidi, Debbie considers letting Derek back into Franny's life and Frank makes plans to take advantage of Liam's rich friend. Season finale.

Frank’s latest sexual escapades get him into trouble with the Hopkins Academy PTA. Fiona struggles with her decision to bail Ian out of jail, while he continues his Gay Jesus antics inside. Lip juggles taking care of Xan with a potential romance. Debbie fights for equal pay at work, and Carl has to prove himself at military school. Kev and V have trouble with the twins without Svetlana.

Fiona makes a play for a risky investment opportunity, ignoring Ford’s advice. Frank discovers the financial incentives of local politics. Carl bolsters his West Point application in unexpected ways. Debbie struggles to find allies in her battle against sexual harassment. Ian is overwhelmed by the growth of the Gay Jesus movement. Kev and V try to find the perfect preschool for the twins.

Frank faces obstacles in his new role as a campaign manager. Fiona prepares to close her real estate deal. Carl enlists V to help him get a West Point recommendation from a congressman. Xan’s medical emergency puts Lip in a compromising position. Debbie gets closer with her partner in crime. Ian embarks on a spiritual journey.

Election day puts Frank and Fiona in a head to head battle as they each try to round up votes for their candidates. Lip has to make an important choice about Xan’s future. Debbie gets in over her head with Alex. Carl’s killer instinct is put to the test. With his trial looming, Ian struggles to decide how to plead. 100th episode!

Frank’s new liver medication comes with tragic side effects. Ian tries to get away from Fiona’s hovering. Lip has to keep himself occupied during a day of temptation. Carl makes a connection at a West Point mixer. Debbie tries to repair things with Alex.

Frank employs Liam to help him chase down a romantic connection; Fiona struggles to keep up with the demands of her new investment as Ford pushes her to get serious about their relationship.

Debbie finds Fiona at a low point and helps her pick up the pieces as Fiona continues to face pressure from Max Whitford on her investment hubris. Frank enjoys the honeymoon period of his relationship with Ingrid.

Frank searches for ways to finance Ingrid's vision for their future together. Fiona's anger issues cause problems at Patsy's. Lip is forced to confront his real feelings for Tami.