S3, E5: It's Halloween at Hearst College, and while Veronica is looking for Logan at the underground campus casino, the place is robbed. The thieves take Veronica's necklace, which was given to her by her deceased friend Lilly. Meanwhile, Dean O'Dell (recurring guest star ED BEGLEY JR.) and his wife, Mindy (JAIME RAY NEWMAN - "E Ring"), seek Keith's help in tracking down Steve (RICHARD GRIECO - "21 Jump Street"), the biological father of Mindy's son, who is deathly ill. And distracted by a new group of friends, Wallace struggles to pass his Mechanical Engineering class.