Kyle’s mom shows up in Miami and she is the widowed wife of a billionaire. She wants Kyle back and will do anything to get him back.

Olivia joins forces with the Strike Team to catch a Mexican drug king and his shipment. Meanwhile, Dutch cleans up Billings’ mess, and the death of a woman associated with…

Officers in the Barn investigate a woman’s disappearance and the arrival of a large drug shipment; lives change forever.

Vic sets into motion plans to end the gang threat as his relationship with Cassidy deteriorates; Dutch and Billings investigate a possible sleepwalking murderer.

A prostitute from Vic’s past is the key to taking down a violent drug dealer; Dutch worries about Claudette’s health; Danny takes drastic measures to protect her child.

A local priest may be protecting drug dealers; Dutch and Billings close in on attempted cop killers; Corrine learns uncomfortable truths about Vic.

Vic closes in on Shane, Mara and their sick young son; Claudette dismantles the Strike Team; Pezuela offers Acevada “assistance” for his mayoral campaign; Rita Denton (Frances Fisher) comes on…

While Shane remains holed up in L.A. with Mara and Jackson, Corinne decides to cooperate with Dutch and Claudette, who’s now spearheading the LAPD effort to bring down Vic. Meanwhile,…

Corrine agrees to be Vic and Shane’s go-between and also agrees to cooperate with Claudette and Dutch as she does so. Meanwhile, Vic comes to an understanding with Aceveda and…

As a local gang war heats up, Vic positions himself as a valuable commodity to the warring parties; Corrine and Cassidy confront Vic.

Vic works an angle to make himself valuable to the Armenian mob; Corrine finds herself in a surprising legal jam; Tina targets a producer of adult entertainment.

The gang war erupts in unexpected ways that Vic cannot control; Dutch and Billings’ homicide investigation grows into something more disturbing; Cassidy reaches out to Danny.

Claudette encounters a murderous old nemesis; Vic confronts Olivia about her political connections; Dutch’s case gets personal.

Vic challenges Shane and deals with threats to his family; a federal agent arrives in Farmington to investigate a recent wave of violence.

Jonas and the team must travel through enemy territory to bring a young bride to her groom, preserving a truce between two warring Afghanistan tribes; Kim and Bob try to…

The team’s attempts to raid an anthrax lab are thwarted by an official from the Department of Defense (Michael McKean), who believes his high-tech intelligence is superior to field logic.

The team follows a scientist who may have been targeted by terrorists, hoping to link those same terrorists to a presidential assassination plot.

While the Unit is investigating a man they believe to be smuggling nuclear weapons, they discover that he is also smuggling women.

Bob and Mac both find themselves in trouble when they each take assignments undercover. Bob as a chemist who hides cocaine by converting it to paint and Mac as a…

A nuclear scientist insists on making a deal with the team before revealing information about an imminent terrorist attack on a major U.S. city; Kim, Molly and Tiffy are asked…

Hoping to con a terrorist into exposing his accomplices before they escape, the team produces phony evidence of an attack.

The team travels to Iraq to save Jonas’ daughter, who has been kidnapped; Col. Ryan must face the consequences for his adultery with Mack’s wife.

The team keeps trying to rescue Betsy Blane from Syrian captors; Mack has an opportunity to get revenge on Ryan for his affair with Tiffy.

While women are being secretly relocated and moved off the base for their own safety, Jonas and the team must unravel an assassination plot against the vice president and president…

Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.

Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.

Sheldon and the gang are confused when a young grad student is attracted to him.

When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate.

Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.

Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon’s stringent standards.

Leonard asks Penny for advice when his new relationship starts moving too fast.

Penny starts dating Leonard’s handsome colleague; Leonard and his friends are tortured by Sheldon’s obsession with gift-giving etiquette.

Penny’s first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.

A jealous Leonard reacts to Penny’s new guy by rebounding with Leslie.

Sheldon creates a monster when he introduces Penny to online gaming.

Don makes some new friends on his trip to Los Angeles; Peggy looks for romance; Duck ponders the future of Sterling Cooper.

Don meets up with an old friend; Pete’s personal life presents problems; Joan brings her boyfriend to the office.

The office scrambles without Don; Betty learns some disconcerting news.

Don and Duck try to make peace; Peggy tries to get into the executive’s after-hours meetings; Duck deals with a family visit.

Don buys a new car; Pete, Harry and Ken strategize to attract new business; Don’s secretary makes a grave error; Cooper has a new piece of art in his office.