Tommy has rocky encounters with Janet and Sheila, and an encounter with Kelly that isn't as rocky. Meanwhile, the guys go grocery shopping with the newly domesticated Lou.

With Damian confined to a chair and a new baby on the way, Sheila and Janet join forces and shake-up Tommy’s family life.

Tommy goes on another memorable date with Beth for the sake of the crew; Black Shawn proves himself in an unexpected arena; Franco realizes what he's really lost while Latrina shows she knows how to keep Lou happy; Dad gives Tommy some insight into his childhood

Damian receives an offer that unsettles Tommy; Lou discusses his upcoming wedding plans with Tommy and Needles.

A terrifying vision of the afterlife leaves Tommy shaken as he attempts to reconnect with his friends and family back on the outside. At the firehouse, the crew’s fate hangs in the balance when the department decides to cut costs.

Tommy swoops into action, putting an end to Kelly's dull date and to his spell of uselessness. Lou becomes godfather, Colleen finds a dress, and Tommy sits down for his interview.

The Gavin family AA group's first meeting doesn't go exactly as planned. Tommy bribes Colleen for information on Janet. Franco learns the truth about Natalie from Richie while Lou contemplates revenge on Cousin Mike.

Tommy plays hero in someone else's uniform, confusing the crew; Colleen finds a new reason to get upset with Tommy; Natalie asks Franco for a favor; a rift between Mike and Black Shawn nearly leads to blows; and Tommy makes a move on the chief's daughter. This does not please the chief.

Tommy comes to terms with his nightmare and tries to do right by those around him, but his plans fall by the wayside when the gang gathers at the bar post save.

Tommy and Sheila do their best to adjust to life after Damian’s accident. Sheila copes with her grief, Tommy struggles to budget his time, and the guys find themselves with a new pickup ploy.

The guys go stir crazy waiting to catch a job. Lou fakes his physical, a news team memorializes Jimmy, and Tommy is saved by an unfamiliar face.

Tommy and Janet deal with revelations about the baby; Sean learns a secret that Mike has been trying to hide; the new probie holds the guys to thier agreement about doing no 'probie' work; and lou's cousin Mike visits.

The guys visit Sean in the hospital; Katy is home from school and wants a family dinner---one that includes Colleen and Black Shawn; and Lou and Tommy make a wager concerning the women in their lives.

As Damien joins 62 Truck, Sheila reminds Tommy of his promise to watch out for him. Meanwhile, Janet gives Tommy guidelines for their relationship; the guys attend a memorial dedication for a firefighter who died on 9/11; and Sean is released from the hospital, vowing to live life "to the fullest."

An outburst lands Tommy cleaning duty as a mysterious woman strolls through the firehouse; the Gavins confront Tommy about his alcoholism, but their plan does not unfold as expected.

What starts as a controlled interview takes a turn for the worse, ending in a full-on brawl. The beef continues even after the guys survive a harrowing scenario at a call.

In an effort to get more time off to search for his wife and kids, Tommy joins the new firehouse’s Barbershop Quartet. Meanwhile back at the old station, Lou and Chief Reilly conspire to get Tommy back, but the rest of the crew has grown fond of his replacement.

The firehouse gets a new chief (Jerry Adler), who is rumored to possess a very special gift; Tommy suffers embarrassment during a hockey game against the NYPD; Franco works up the nerve to propose to Natalie while Sean tries to talk Maggie out of a divorce; and Sheila makes a surprising proposition as Janet's depression deepens.

Janet plots revenge when she learns what Tommy did with the baby; Franco questions his marriage proposal to Natalie in light of Alicia and Keela's return; and Tommy faces his ghosts.

The Gavin clan stages an intervention after several disturbing family calls; the mysterious woman (Gina Gershon) from the restaurant leaves Tommy wanting more; Janet must take matters into her own hands to get her baby back; and a depressed Mike calls Tommy in a moment of despair

Tension runs high as Needles holds the guys accountable for their lack of judgment. Tommy steps up and takes responsibility for Damian's future in the firehouse. Sheila provides Tommy with an oasis as a sign of her gratitude but it may not be enough to save him from the wrath of Mike, Dwight, and the ghosts of Tommy's past.

Tommy and Mike must find a way to mend their fences at work; Sheila tries to get Tommy to control his drinking with her leverage; Lou must relive an unpleasant memory; Franco heads back to the boxing ring; and Sean has his heart-to-heart talk with his mother.

With the cookout quickly approaching, the guys hatch a plan to sneak Lou out of the hospital. Sean and Mike attempt to do good, Teddy bonds with Colleen, and Father Phil gives Tommy a piece of advice that sends him reeling.

The calls from Tommy's AA sponsee increase as Tommy attempts to navigate a touchy issue with Colleen. Genvieve's interviews spark controversial viewpoints in the firehouse concerning the political and religious implications of 9/11-viewpoints which Mike will not tolerate.

The perfect party becomes a nightmare when a herd of brutish women infiltrate the bar. Tommy's love triangle reaches new heights.