"Blast from the Past" is the fifth episode of the second season of the American mystery television series Veronica Mars, and the twenty-seventh episode overall. Written by Phil Klemmer and Cathy Belben and directed by Harry Winer, the episode premiered on UPN on October 26, 2005. The series depicts the adventures of Veronica Mars (Kristen Bell) as she deals with life as a high school student while moonlighting as a private detective. In this episode, Veronica helps Jackie Cook (Tessa Thompson) deal with her purported credit card fraud. Meanwhile, the Sheriff's race heats up, and Wallace (Percy Daggs III) faces the complicated aftermath of learning that Nathan Woods (Cress Williams) is actually his father. Synopsis Directly after the previous episode, Wallace angrily confronts Alicia (Erica Gimpel) about Nathan being his father. Alicia tells Wallace that Nathan betrayed her while supposedly going on a police case and that Wallace's purported father, Hank Fennel, is his legal father. In class, Veronica nominates Wallace for homecoming king, and another boy nominates Veronica. Wallace tells Veronica that Nathan is his father before Jackie approaches and expresses her jealousy. Keith (Enrico Colantoni) tells Veronica that he has a 12-point lead in the sheriff race. In the bathroom, Jackie walks up to Veronica and tells her that she needs her help with her credit card, which has been maxed out without her knowledge. Veronica reluctantly agrees. Alicia confronts Keith for Wallace's birth certificate, which he stole in the previous episode. They get into an increasingly heated debate. Nathan talks to Wallace, and he says that he's tried to find Wallace for years and hands him letters that he sent. Wallace successfully made the nominating pool for homecoming royalty. Logan (Jason Dohring) and Jackie flirt in school. Veronica matches the credit card items with a girl named Cora (Dana Davis) and invites her to pick out homecoming dresses together to find out more. Logan and Duncan (Teddy Dunn) agree to hang out. During a Sheriff's race debate, Sheriff Lamb (Michael Muhney) brings up the fact that Keith would have arrested Ed Doyle for a DUI if he had followed procedure. Veronica finds out that Cora could not have stolen Jackie's credit card. Duncan invites Veronica to homecoming. Keith has lost his lead in the Sheriff's race. Wallace shows Alicia the letters and she blows up at him. Veronica plants a listening device in Sheriff Lamb's office. Veronica