Veronica takes the stand in Aaron Echolls's murder trial, and is distracted during final exams while waiting for the verdict. Meanwhile, Keith takes new evidence about the mayor to Lamb, and Weevil asks Mac and Cassidy for help to pass algebra.

The episode was rated 8,04 from 390 votes.

Keith and Veronica are hired to help find the missing grand-daughter of the founder of Hearst College, whose swing vote could spell the end of fraternities and sororities at Hearst. Meanwhile, Logan fears for Veronica's safety as she gets closer to the truth regarding the campus rapes.

The episode was rated 8,04 from 348 votes.

When one of Neptune High's haughtier students brings a sexual harassment suit against a favorite teacher, Veronica finds herself pitted against her father when the girl's parents hire Keith to help in their case. Meanwhile, with the tabloids claiming his mom is still alive, Logan turns to Veronica to help him track down the truth. Later, Veronica discovers more unsettling information about Duncan's hidden medical condition.

The episode was rated 8,05 from 480 votes.

Keith takes on a second concurrent murder case when the head of the Hearst basketball team turns up dead and his son is the prime suspect. Meanwhile, a depressed Logan refuses to leave his hotel room and ends up babysitting Dick's girlfriend's little sister for days.

The episode was rated 8,07 from 347 votes.

When a classmate's boyfriend threatens to post a humiliating video of the girl online if she dumps him, Veronica helps her concoct a scheme to ensure "mutually assured destruction" if he doesn't allow the relationship to end peacefully. Meanwhile, Keith begins to search for Duncan after his parents post a huge reward for information on his whereabouts. Later, as her secret new relationship heats up, Veronica learns a disturbing new fact about the night that she was drugged and assaulted.

The episode was rated 8,08 from 444 votes.

A series of fire drills leads Veronica to discover that Neptune High has been receiving bomb threats, so she enlists Wallace and Mac's help to investigate classmates who could pose a serious threat to the school, including new student Ben. Meanwhile, Keith stuns Veronica with the news of who he's been secretly dating. Later, Duncan confronts Veronica about her ongoing investigation into his sister's death.

The episode was rated 8,08 from 475 votes.

When Duncan disappears with Meg's baby, Lamb must work with two FBI agents to extract as much information as possible from an uncooperative Veronica. Meanwhile, Wallace reveals the real reason he returned to Neptune, and Weevil and Logan make a breakthrough in their hunt for the rogue gang member.

The episode was rated 8,09 from 405 votes.

Weevil asks Veronica to clear his name after he's arrested for selling fake debit cards to Hearst students, claiming he's being framed because of his criminal background.

The episode was rated 8,09 from 341 votes.

When Veronica is released from jail, she is contacted by Josh Barry who is desperate to prove his innocence in his father's murder. Meanwhile, Keith gets bittersweet news from the county commissioner, and Logan helps Mac and Parker on a scavenger hunt.

The episode was rated 8,11 from 354 votes.

As the end of the first semester at Hearst College draws to an end, the election for sheriff in Neptune comes to a close and Veronica and Piz discuss the effect a summer apart will have on their relationship.

The episode was rated 8,12 from 388 votes.

When Veronica discovers Timothy Foyle breaking into Mars Investigations, she uses his help to track down Dean O'Dell's true killer. Meanwhile, Logan and Parker's relationship takes an unexpected turn, and acting Sheriff Mars brings another murderer to justice.

The episode was rated 8,20 from 341 votes.

Determined to get to the truth behind who drugged and assaulted her at a party the year before, Veronica questions her friends and many rivals about the chain of events that night at Shelley Pomroy's house. Meanwhile, when one of Veronica and Wallace's stunts affects her job at Kane Software, Alicia confronts Keith about his daughter's behavior. Later, in an attempt to get closer to his son, Aaron throws a birthday party for Logan that inadvertently surprises everyone.

The episode was rated 8,29 from 476 votes.

After the campus rapist anonymously announces the location of his next rape, Veronica hires her friends to help her track him down, but is shocked when she discovers the rapist's identity. Meanwhile, Logan makes a drastic decision about his future with Veronica, and Dean O'Dell hires Keith to prove that his wife is unfaithful.

The episode was rated 8,36 from 385 votes.

After discovering the true perpetrator of the bus crash, Veronica is desperate to warn others before it's too late. However, she inadvertently puts herself and her loved ones at risk in the process. Meanwhile, Keith tracks down Woody in hiding, Wallace leaves for Paris to be with Jackie, and Weevil again runs into trouble with the law.

The episode was rated 8,50 from 409 votes.

In the shocking, action-packed season finale, a determined Veronica must betray someone she cares deeply about in order to solve the season-long mystery of who murdered her best friend Lilly Kane, but what she discovers puts her life in serious danger. Meanwhile, on the eve of a reception for the Governor of Calif., Jake Kane asks Duncan if he really wants to know what happened on the night Lilly died. Later, Keith awaits the results of a paternity test.

The episode was rated 8,70 from 487 votes.