A statutory-rape case entangles Ronnie with the enraged parents of the 15-year-old victim; an illicit-drug situation embroils Harper with his unsettled daughter

Hanson is arrested after a domestic dispute, causing Harper to seriously consider firing him. Lauren is skeptical when a student decides to drop out because a record company wants to sign her, and Harper is livid when he discovers that someone close to him has been anonymously dispensing sex advice in the student newspaper.

Guber discovers the high-school drum line's freshman hazing involves physical abuse; a student-produced TV documentary about Ronnie worries her; a father is sentenced to being handcuffed to his son for a week.

Ronnie witnesses an attempted rape, then receives a shock when she presses for legal action on behalf of the victim (guest star Amanda Fuller); Hanson tries to prevent a student from being expelled for drugs.

A student discovers Harper and Marilyn have been secretly dating and threatens to go to the school board; Hanson and Claire try to assist a student who is having trouble with his dad.

Harper decides to call the FBI when he learns that a student has been accessing a terrorist recruitment web site from the school library; Ronnie learns that one of her students has HIV.

Charlie Bixby (Dennis Miller) takes an unconventional approach when volunteering at a teen hotline; Marla decides to try in vitro fertilization and asks Harper to be the donor; Carmen reveals a secret from her past.

Guber contends with a student who thinks he is Jesus and is using school funds to feed the homeless; Marla mistakenly books R.E.M. for a school fund-raiser.

While heading to work, Lauren's car breaks downs. She gets so frustrated with it that she starts jumping up and down on it and smashing the windows with a baseball bat. Suddenly, an old student of hers appears named Daniel Evans who thanks her for changing his life. He shows her a history text book he has written and she is very impressed. He asks her out for a drink, and she immediately says yes. After, they head to her place and have a night of passion. The next day she tells Marilyn, who finds it a little immoral. Lauren cannot get past how great the sex was. Lauren admits she finds it a total turn on when Daniel calls her Ms. Davis. Marilyn is dealing with a boy named Jeremy who throws up after an anxiety attack related to his mom not being able to accept his mark of a B+. He goes to the nurse, where Marilyn notices a huge bruise on him. He says he got it playing basketball. When Jeremy's mom shows up, she says he must of got it on his scooter. Marilyn suspects abuse.

One of Senate's most promising students and his brother become entangled in criminal acts with fatal results; Hanson draws criticism for sending a letter to a girl's parents because she is overweight.

Kimberly is stalked by one of her students; Lipschultz celebrates Valentine's Day with Guber's mother.

Misconduct charges target Guber, who's up against a new superintendent; race issues fester between Marla and Danny; reckless student driving sparks reproach.

After a cheerleader is attacked, blame falls on another student's mother (Sean Young); Carmen goes head to head with a ""bad boy"" student (Milo Ventigmilia); Hansen copes with a student who says he is the son of God.

Ronnie begins her teaching career at Winslow High; Lauren tries to help a pregnant, straight-A student gain admission to Princeton.

The faculty decide to have a staff talent show to lighten the mood at Winslow. Lipschultz asks Ronnie to sing a duet with him at the talent show but she convinces him that Marylin is just waiting to be asked. Meanwhile Danny befriends one of his Cerebral Palsey kids and arranges for him to attend Winslow. The mood is severely challenged when a student finds a notebook with plans for a bombing and shooting spree at Winslow

Harper has concerns about Brooke's infatuation with the star basketball player; Flynn is attracted to a student's mother; a boy enters an online auction to buy a night with a beautiful girl.

Guber's speech team star has an issue, Russell decides on a college, while mixed signals rattle Colin as his affair comes to a close.

Courtroom drama energizes Ronnie, who's defending two teens in a murder arraignment; high test scores by poor students prompt Guber's undercover investigation.

An investment banker, convicted of securities fraud, avoids jail time by agreeing to community service: teaching math at Winslow High. A sexy and eccentric woman smashes into Guber's car and then crashes her way into his life.

Last week's bra protest has resulted in school unity. All the girls have decided to go braless in a show of solidarity with Dana Poole. As bras flap ceremoniously from every other locker, Principal Harper juggles a variety of other issues. The superintendent is breathing down Harper's neck because Lauren has rallied a few of the other teachers and they all refuse to get fingerprinted. Also, Marla, who's supposed to be on medical leave, has shown up for work, and Lipschultz, the man behind the bra debacle, has shown up on Sheryl Holt's infamous Web site -- in a bra and panties! Harper decides the two of them will co-teach a class in order to keep an eye on each other. Meanwhile, Vice Principal Guber tries to regain control by meeting with Dana Poole. He suspects that she's high, so he wants a urine sample. She protests and bolts straight to Harry -- whom she blackmails for the second time in order to avoid suspension. It seems that earlier in the year she and Senate shared a kiss, and s

Ronnie catches a student performing a crime; two female students tell Marylin about their sexual conversations online with an older man.

As the prom approaches, female students outrage the faculty when they auction themselves as dates, while Harper deals with angry students who oppose his allowing a gay student to compete for the queen's crown.

Tensions surface over Ronnie's new post; Aisha's participation in the school musical and her relationship with J.T.; Harvey's required recertification; and Danny's care for his niece.

Sudden fame heartens Ronnie, credited for high exam scores posted at Winslow, yet she's also facing a romantic crisis with Zach; a student-council election tests a shy, awkward teen.

As Senate approaches the school grounds, he saves a student from being attacked by gang members. After numerous attempts, Harry finally manages to get the boy to reveal that he is a member of the Crips and is attempting to leave the group because he killed a rival gang member. However, Senate is unable to help because he gave his word that he wouldn't discuss the situation with the authorities. Prevented from taking action, he reluctantly hides the truth from Lauren, his co-workers and the police. Meanwhile, Harper grows even more suspicious about Lisa and Buttle's deepening friendship, so Guber takes the reins and alerts Lisa's parents about their daughter's rumored affair. Thoroughly panicked, Milton tries to break it off, but Lisa pushes him to have sex one last time and her father catches them in the act. Buttle is immediately fired and the news rocks the halls of Winslow High. But when Riley attempts to soften the blow for Milton, Guber fires him as well for withholding informatio