Episode 1
First Aired September 22, 2004
Pilot

While trying to navigate the everyday drama of high school, the smart, fearless, 17-year-old Veronica Mars also moonlights as an apprentice private investigator out to solve her wealthy town of Neptune's toughest mysteries.

After Veronica helped "The New Kid" sophomore Wallace Fennel, who'd been duct-taped to the school's flagpole, Veronica ends up with problems with the bullies who put him there, Eli "Weevil" Navarro and his P.C.H. Biker Boyz.. To get the thugs off Fennel's case, Veronica devises an intricate plan that helps some of Weevil's cronies avoid trouble with the law.

Episode 2
First Aired September 28, 2004
Credit Where Credit's Due

Veronica and Wallace launch an investigation when the police suspect Weevil of credit card fraud involving the Echolls Family.

Also, Veronica finds herself on the shcool newspaper staff, where she puts her photography skills to use, and rides to an assignment with Duncan.

Episode 3
First Aired October 12, 2004
Meet John Smith

Veronica and Wallace attempt to help classmate Justin Smith find his father, despite the fact that they only have a commonplace name, an old address and dim memories to go by.

Veronica faces some complicated feelings towards ex-boyfriend Duncan and new romatic interest Troy, her guidence counselor Rebecca James calls Keith to the school to discuss the recent, dramatic changes in his daughter's life. Later, Duncan struggles with ways to cope with his sisters death as the anniversary of her murder approaches.

Episode 4
First Aired October 19, 2004
The Wrath of Con

In an effort to help Wallace's new crush, Georgia (Kyla Pratt), who was duped out of her money in an interent scheme, Veronica must outwit a group of computer "thugs," known as the Silicon Mafia.

Meanwhile, Keith makes Veronica introduce him to her new boyfriend Troy before allowing her to go to the homecoming dance with him. Later, Logan helps Duncan edit together a memorial video for a school dedication ceremony marking the one-year anniversary of Lilly's death.

Episode 5
First Aired October 26, 2004
You Think You Know Somebody

Troy's car is stolen from a diner parking lot shortly after he, Logan, and Logan's pal Luke return from a trip to Tijuana. Afraid to tell his dad, Troy turns to Veronica for help, but the situation becomes dangerous when she discovers that Logan and Troy's buddy Luke might have left more than a pinata in the car--the thief took with him the steroids Luke was smuggling across the border.

Meanwhile Keith has accepted that his wife is gone and begins dating school guidance counselor Rebecca James, Veronica continues to secretly investigate her mother's whereabouts, leading her to stumble on a secret Lianne Mars was keeping when she discovers a safe-deposit key her mother left behind.

Episode 6
First Aired November 2, 2004
The Return of the Kane

Veronica investigates possible fraud in the election of student council president at school after Duncan wins, beating a more popular, but less affluent student who promised to eliminate the wealthy students' on-campus perks.

Meanwhile, Logan causes a public relations nightmare for his movie star parents Aaron and Lynn Echolls when footage of him organizing boxing matches between homeless men is posted on the internet and leaked to the media. Later, Veronica and Keith learn that the man who admitted to murdering Lilly is set to be executed, but a second look at crime scene photographs puts his confession in question.

Episode 7
First Aired November 9, 2004
The Girl Next Door

Veronica becomes suspicious when a young pregnant woman who lives in their apartment complex with her volatile boyfriend suddenly disappears; fearing the worst, Keith steps in to help his daughter investigate this case for the girl's estranged parents.

Meanwhile, Logan and Weevil get thrown into detention together after arguing with a teacher, leading the rivals to discover some surprising things in common. Later, while working on an alumni photo project in her journalism class, Veronica is shocked to discover that her mother and Jake Kane were high-school sweethearts.

Episode 8
First Aired November 23, 2004
Like a Virgin

To help restore a cheerleader's ruined reputation, Veronica turns to funky computer geek Mac (guest star Tina Majorino) to find the hacker responsible for leaking the embarrassing, private results of a popular online "purity test" to all of Neptune High.

Meanwhile, Keith helps Wallace and his mom with an unruly tenant in their building. Later, to get answers about Lilly's murder, Veronica attempts to visit Lilly's confessed, condemned killer Abel Koontz in prison.

Episode 9
First Aired November 30, 2004
Drinking the Kool-Aid

Veronica infiltrates a commune-like cult to find out what happened to a former popular student who has undergone a drastic personality change since joining the group.

Veronica defies her dad when she helps him gather information as to why an '09er classmate (Jonathan Bennett) joined a cultlike group. Elsewhere, the teen sleuth takes the next logical step following her meeting with Abel Koontz and tracks down the person who shot the photos she found in her mom's safety-deposit box.

UPN's Official Description (Added 11/15): The wealthy parents of a Neptune High senior hire Keith and Veronica to investigate a cult-like group and its charismatic leader after their son Casey (guest star Jonathan Bennett) moves out to live on the collective farm, on the new drama VERONICA MARS, Tuesday, Nov. 30 (9:00-10:00 PM, ET/PT) on UPN. Marcos Siega directed the episode from a story by Rob Thomas and a script written by Russell Smith.

Meanwhile, Veronica attempts to get to the bottom of Abel Koontz' claim that her real father is Jake Kane.

From: Neptune Site

Episode 10
An Echolls Family Christmas

UPN's Official Description For "An Echolls Family Christmas"
Airing Tuesday, December 14

When Weevil's poker winnings go missing after a game at Logan's place, Veronica questions each player to piece together the evening's events and catch the thief. Meanwhile, on the eve of the Echolls' annual Christmas party extravaganza, Keith is hired by Lynn Echolls (guest star Lisa Rinna) to track down one of her husband Aaron's (guest star Harry Hamlin) potential stalkers.

From: Neptune Site

Episode 11
Silence of the Lamb

Veronica uncovers information that her fellow outcast Mac was switched at birth with a more affluent student, causing Veronica to examine her own questions about whom her real father may be.

Meanwhile, a serial killer has resurfaced in Neptune forcing Sheriff Lamb to forge a reluctant, tense partnership with Keith. Later, Veronica flirts with a handsome young rookie at the sheriff's department to obtain more information on Lilly's murder.

Episode 12
Clash of the Tritons

When a family accuses Veronica of providing a fake ID to their son, now in an alcohol-induced coma, and files suit, the search to find who's really responsible leads Veronica to a clandestine, exclusive organization operating on Neptune High's campus with a possible connection to Duncan.

Meanwhile, Aaron Echolls hires Keith to find out who's been supplying pictures to the tabloids that have humiliated his wife Lynn. Later, Veronica bugs Ms. James' office to eavesdrop on grief counseling sessions, and learns some surprising information about her friends.

Episode 13
Lord of the Bling

After being hired by hip-hop heavyweight Percy "Bone" Hamilton to find his kidnapped daughter, Veronica and Keith look to the music mogul's long list of enemies, family members and the girl's Neptune High social circle for clues on her whereabouts.

Meanwhile, following Lynn Echolls' apparent suicide, Logan cynically endures his father Aaron's effusive displays of grief as they prepare for her memorial ceremony.

Episode 14
Mars VS Mars

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.

Episode 15
Ruskie Business

Veronica surprisingly finds herself working as a "love detective" when she's asked to track down her friend Meg's secret admirer and a Russian bride's estranged fianc�.

Meanwhile, after discovering that one of Lynn Echolls' credit cards is in use, Veronica and Logan go to a Los Angeles hotel in hopes of finding her or a clue.

Episode16
Betty and Veronica

Following an emotional reunion with her mother, Veronica is hired to track down Neptune High's beloved mascot, Polly the Parrot, which was apparently kidnapped by a rival school on the eve of a big basketball game.

Meanwhile, with her suspicions about the Kane family rekindled, Veronica attempts to gain access to her father's original interrogation tapes. Later, Veronica's relationship with Deputy Leo heats up, as does Meg's relationship with Duncan.

Episode 17
Kanes and Abel's

Veronica investigates who at school is doing everything possible to distract Sabrina from studying and wreck her grades in an obvious attempt to sabotage her chances at becoming valedictorian.
Meanwhile, an unsavory, rival private investigator makes Keith a business offer. Later, Veronica pursues a risky lead that could discredit Abel Koontz's confession, as Logan stumbles onto her detailed files on everyone connected to Lilly's murder.

Episode 18
12-Apr-2005

Weapons of Class Destruction

series of fire drills leads Veronica to discover that Neptune High has been receiving bomb threats, so she enlists Wallace and Mac's (guest star Tina Majorino) help to investigate classmates who could pose a serious threat to the school, including new student Ben (guest star Jonathan Taylor Thomas), on VERONICA MARS, Tuesday, April 12 (9:00-10:00 PM, ET/PT) on UPN. John Kretchmer directed the episode from a script by Jed Seidel. Joey Lauren Adams guest stars as Ms. Stafford, a new substitute journalism teacher.

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.

19-Apr-2005
Hot Dogs

While helping her classmate Mandy search for her missing Jack Russell terrier, Veronica stumbles onto a bigger mystery, which affects pets all over Neptune.

Meanwhile, tensions mount in the Echolls family as Trina tries to convince the now-retired Aaron to take a part in her new boyfriend's independent movie. Later, Weevil is arrested for breaking into the Kane residence and taking something from Lilly's room.

Episode 20
26-Apr-2005
MAD

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.

Episode 21
03-May-2005
A Trip to the Dentist

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 Pomeroy'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 (guest star Harry Hamlin) throws a birthday party for Logan that inadvertently surprises everyone. RATING: TV14-DLS

Episode 22
10-May-2005
Leave it to Beaver

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.

Spoilers from Neptunesite