Episode 50 of "Veronica Mars"
s03e06 Hi, Infidelity

Veronica (Kristen Bell) is accused of plagiarizing her paper for Professor Landry's (guest star Patrick Fabian, "Joan of Arcadia") criminology class. In trying to clear herself, she discovers that her mentor is not who she thought he was. Wallace (Percy Daggs III) is pardoned by Dean O'Dell (guest star Ed Begley, Jr., "Arrested Development") for cheating on his exam, but makes a decision that could affect his college career. Piz (Chris Lowell) invites Veronica to a night of bowling and she decides to bring Logan (Jason Dohring) and Parker (Julie Gonzalo), unaware Piz wanted the evening to be more of a date.