Veronica Mars
The series premiered on September 22 , 2004 , during television network UPN's final two years , and ended on May 22 , 2007 , after a season on UPN's successor , The CW , airing for three seasons total . 
<triplet> UPN <subj> The CW <obj> replaced by <triplet> The CW <subj> UPN <obj> replaces