Veronica Mars is an American television series created by Rob Thomas. The series premiered on September 22, 2004, during UPN's last two years, and ended on May 22, 2007, after a season on UPN's successor, The CW Television Network. Set in the fictional town of Neptune, the series starred Kristen Bell as the title character, a student who progressed from high school to college during the series while moonlighting as a private investigator under the wing of her detective father.