"Mars vs. Mars," the 14th episode of Veronica Mars Season 1 (2005), centers on a conflict where Veronica investigates a teacher accused by Carrie Bishop (Leighton Meester), while Keith represents the accuser, featuring guest stars Adam Scott and guest-starring before their major breaks. The episode highlights a complex victim-blaming narrative as Veronica uncovers that Carrie was covering for the true victim, pregnant student Susan Knight, while advancing side plots involving the Kane murder and Logan's mother. For a detailed breakdown of the episode, read the summary on Wikipedia .