Faith, Bosco, Carlos and a wounded Doc find themselves trapped in an abandoned tunnel and unable to reach Central on their radios; the firefighters get into mischief during a long lull between calls; when the C.O. can't raise Bosco on the radio, Sully tries to cover for him.
While sharing stories about the first time they met, Christine learns that Kim kissed Jimmy while he and Christine were going out. As a result, Christine refuses to sleep with him that night. Greg, meanwhile, doesn't care what Kim did with Jimmy, as he claims to have kissed more than his share of girls at the time. Kim presses him into revealing what number ""more than his share"" is, and then laughs when he says it's fifty. Determined to make Kim believe him, Greg sets about making a list of the names of all fifty girls. Greg's completed list -- of merely forty-nine girls -- turns Kim around so she's no longer amused at Greg. Instead, she's disgusted with him. Jimmy is able to calm Kim down by telling her that fifty isn't a high number at all, when most guys his and Greg's age kissed five hundred girls. Greg would feel inadequate at Jimmy's machismo if he weren't already feeling inadequate over having not even made it to fifty. To spite Jimmy and even the score, Christine kisses Greg, t
Zo'or threatens to attack the earth after an artifact containing the secret to synthesise taelon core energy is stolen from the mothership.
Hel , Sarge and Cleopatra are at Creegan's trial when Marla , the former bootlegger turned peacekeeper, sentences him to death for his crimes against humanity. The courtroom erupts and the team goes to celebrate at a bar. Soon after, Voice contacts Sarge, who is now acting as team leader until Voice and Hel reestablish trust, and informs her that there's a situation with Creegan at the prison. They rush to the detention center and Creegan insists on talking to Hel alone. She enters the cell and Creegan activates a computerized mechanism concealed in a phony tooth. He informs Hel, who is now mesmerized in his presence, that he can tell her everything she ever wanted to know about Voice. Suddenly, Creegan kisses Hel. Guards rush in and separate them, but no one except Hel is aware that Creegan has just switched bodies with her. Hel/Creegan leaves with the team as guards swarm over Creegan/Hel. Sarge, Cleopatra and Hel/Creegan go back to the bar and Sarge and Cleopatra become concerned ab
Dr. Becker sails off on a gay cruise because of Linda; Jake's girlfriend is letting her looks go due to his blindness.
Larry's son flies in from Detroit and goes to Cage & Fish looking for Ally. He wants to sue his parents for emotional damage. Ally and Sam bond, and Larry has to take him back to Detroit. He doesn't want to say goodbye to Ally, who suffers with his departure. Larry promises to return. Meanwhile, Nelle is representing her dance instructor/lover Sam Adams in court. He's suing his ex-partner for stealing his dance moves. Cindy McCauliff returns to the office looking for Richard. (S)He wants to marry a man, but after the court denies it Richard offers to perform the ceremony at the office.
Carrie's life turns upside down when after she and Leigh save two spear fishermen from drowning, after which one of them asks her out on a date in which he begins stalking her and wanting to control her.
Michael and Maria flee from Roswell after helping Laurie DuPree escape from the police, and Max learns that a deadly parasite was released into Earth's atmosphere when their ship crashed 50 years ago.
Moesha fears for her life after openly criticizing a poet at ""Poetry Night at The Pendulum."" Meanwhile, Dorian starts a new job working at a recording studio, but Frank thinks that all of Dorian's long hours at work may affect his schoolwork. After an argument between Dorian and Frank, Dorian secretly tries to search for his birth mother. He asks for Moesha's help. After she reluctantly decides over night, Moesha agrees to help Dorian. By helping him, she retrieves Dorian's birth certificate stating his mother's maiden name: Barbara Dolores Lee.
Joan grows impatient with Sean, who refuses to kiss or touch her. After discussing a number of possible explanations with her friends, she finally pushes Sean for the reason behind his cold behavior. Joan is taken aback when he confesses to being a sex addict. Meanwhile, Toni annoys Greg with her refusal to make a commitment to him; and Yvonne angers William by sharing a few too many intimate details about their love life with Maya.
Hal feels like his job is a piece of c* after going to Dewey's class for parent job day. So he decides to take a "kidney failure" weeks off. While Francis is forced to work at the lucky aid over spring break.
O'Reily is in for a surprise when a visitor reveals the truth about his past, while Cyril faces trouble for his difficult behavior. Meanwhile, Morales and Redding lay out plans that could lead to all-out war in Em City.
Bobby capitalizes on Skeeter and Nina's constant quarreling by turning their war of words into a ratings windfall for the school radio station. But an act of kindness by Skeeter toward Nina threatens to turn listeners away.
Tensions at the firm are at an all-time high when Bobby is tried for the murder of William Hinks. Bobby is acquitted, though there is little to celebrate when a mysterious cassette recorder is sent to the office. Lucy and Rebecca hear Hinks' voice on the recorder, just before it triggers an explosion.
After someone breaches Section and breaks into her room, Nikita is more determined than ever to find out the truth about why she was brought into Section. She arranges to get at Mr. Jones personally by having him go out as "Mick Schtoppel" on a mission against an arms dealer with ties to The Collective, by the name of Massima Valenti. Was Operations telling the truth in "Deja Vu All Over Again" when he told Nikita that "Mr. Jones is not what he appears to be...?" Is Nikita making a big mistake in pushing the issue? Meanwhile, Quinn continues to put the "moves" on Operations, but what is she really up to?
Thurgood makes a deal to place a cigarette advertisement on the side of the Hilton-Jacobs building in exchange for free air-conditioning.
Bart and Milhouse are banned from The Android Dungeon after stopping Comic Book Guy from buying a box of priceless Star Wars memorabilia for $5, but are hired as his replacements when Comic Book Guy has a heart attack and is advised to leave his job in order to make friends.
Justin's father attacks Brian outside Babylon; Michael gets a promotion at work; Justin moves in with Brian.