Chuck, Sarah, Casey and Morgan must stop Dr.Stanley (Robert Englund) from releasing a toxin that induces nightmares... Chuck's mother's allegiances are questioned; Lester and Jeff celebrate Halloween at the Buy More.
Dance of the Sugarplum Fairies — Harry Connick, Jr.
Jeff shows his scary images to Morgan & Chuck; repeats as Chuck turns on Jeff's images to freak out Dr. Wheelwright. (Originally by Tchaikovsky - but was not one of the options listed)
(0:55) Chuck receives a message from his mom saying she wants to meet Ellie. Chuck and Ellie wait at the bar and then Chuck tells Ellie that their mom is a spy.