A visit from Owen's mysterious folks unsettles Syd, who's especially wary of his intimidating mom; an intriguing call-in to Joanie's radio show preoccupies her.

Nuptial plans ruffle Syd; a radio interview with a nature-show host rattles Joanie, who's set upon by a pesky crow, a frolicsome chimp and an ornery monkey.

On Halloween, chaos descends upon the ER, where Syd copes with a stabbed mime, a man who believes he's a vampire and an injured, eerily insightful witch.