Here’s the official description for the episode, courtesy of the network:
JOE JONAS GUEST STARS — Adrianna (Jessica Lowndes) has to un-invite Navid (Michael Steger) to her magazine premiere party after Victor (guest star Nestor Serrano) arranges for her to go with Joe Jonas (appearing as himself) to boost her image. Annie (Shenae Grimes) and Dixon (Tristan Wilds) visit their dad but are shocked when a woman answers the door. A series of mishaps lead Jen (Sara Foster) to conclude that she is a bad mother, so she makes a decision with Ryan (Ryan Eggold) and her son’s best interest in mind. Naomi (AnnaLynne McCord) and Ivy (Gillian Zinser) team up to seek revenge on Oscar (guest star Balir Redford) with a plan that involves skinnydipping in the Beach Club pool. Navid discovers that his father may be using underage girls in his porn films and convinces Silver (Jessica Stroup) to go undercover. Lori Loughlin, Matt Lanter and Trevor Donovan also star. Oz Scott directed the episode written by Paul Sciarrotta (308).
