" Weevils Wobble But They Don 't Go Down " is the nineteenth and penultimate episode of the third season of the American mystery television series Veronica Mars , and the 63rd episode overall . Written by Phil Klemmer and directed by Jason Bloom , the episode premiered on The CW on May 22 , 2007 . The series depicts the adventures of Veronica Mars ( Kristen Bell ) as she deals with life as a college student while moonlighting as a private detective .