"Weapons of Class Destruction" is the eighteenth episode of the first season of the American mystery television series Veronica Mars.

Written by Jed Seidel and directed by John Kretchmer, the episode premiered on UPN on April 12, 2005.

The series depicts the adventures of Veronica Mars (Kristen Bell) as she deals with life as a high school student while moonlighting as a private detective.

Meanwhile, Keith (Enrico Colantoni) begins dating Alicia Fennel (Erica Gimpel), and Veronica's relationship with Logan (Jason Dohring) progresses.

"Weapons of Class Destruction" introduces the romantic relationship between Veronica and Logan, a romance that would continue on-and-off throughout the series and its subsequent film adaptation.

Series creator Rob Thomas did not originally envision this relationship, but he changed his mind when he saw the chemistry between the two actors and characters.

Veronica, posing as the superintendent, calls Principal Clemmons, who reveals that the school has experienced several bomb threats.

Duncan scoffs at her findings before he realizes that she suspects him in the murder, reacting with extreme rage before dashing out of the room.

Veronica calls Mac to help her break into the WiFi before she sees Pete in front of the house.

The ATF searches Norris's vehicle and finds fertilizer and a rifle, despite Veronica's convictions that he is not the perpetrator.

Veronica calls Pete, and she tells him that she knows he falsely implicated Norris (with the help of the ATF agent) because of terrible bullying in junior high.

This episode mark's Seidel's fifth and final writing credit for the series, after "Meet John Smith", "The Girl Next Door", "Silence of the Lamb", and "Mars vs.

"[3] The episode also explains the departure of journalism teacher Mallory Dent (Sydney Tamiia Poitier), who made her last appearance in "The Girl Next Door", also introducing Dent's replacement, Geena Stafford, who is subsequently fired in the same episode.

At PaleyFest 2014, series creator Rob Thomas stated that "The truth is, we never had any intention at all for Logan to end up with Veronica.

'"[5] However, Dohring and Bell found out the plan for the two characters around the filming of "Return of the Kane" or "The Girl Next Door".

[10] The episode received primarily positive reviews, with critical attention mostly going to Veronica and Logan's relationship.

The publication praised the new Logan-Veronica dynamic and said "The few episodes just before this one showed the softer, vulnerable side of Logan and just when you wonder if he's really so bad, he saves the day and an innocent peck turned into a passionate embrace.

reacted to the scene by writing, "We seemed to experience the same whirlwind of emotions they did: The hesitance, the shock, the elation, the weirdness of how right it felt, and then, of course, the inevitable 'Oh crap, what did we just do and what does this mean?'

The episode ends with Veronica figuring out that Ben was setting Norris up, but, honestly, who was really paying attention at that point?

"[18] Entertainment Weekly called "Weapons of Class Destruction" one of the "10 essential episodes of Veronica Mars".