While helping her classmate Mandy search for her missing Jack Russell terrier, Veronica stumbles onto a bigger mystery, which affects pets all over Neptune. Meanwhile, tensions mount in the Echolls family as Trina tries to convince the now-retired A... (more)aron to take a part in her new boyfriend's independent movie. Later, Weevil is arrested for breaking into the Kane residence and taking something from Lilly's room.

Alyson Hannigan, Amanda Seyfried, Arturo Medina, Claire Titelman, Gary Carlos Cervantes, Harry Hamlin, Janice McQueen Ward, Jeffrey Vincent Parise, Jesse C. Boyd, Lisa Thornhill, Matthew Carey, Max Greenfield, Roy Werner, Theodore R. Mercer Jr., Virginia Hawkins