WEDNESDAY, APRIL 29
"90210" � (9:00-10:00 p.m. ET)
"The Dionysian Debacle" (TV- 14, D) (HDTV)
SARA FOSTER ("CSI") GUEST STARS AS NAOMI'S DRAMA QUEEN SISTER � Navid (Michael Steger) and Adrianna (Jessica Lowndes) fantasize about their future, but when they tell his parents about their decision to spend the rest of their lives together, things don't go as they planned. Silver (Jessica Stroup) and Dixon (Tristan Wilds) adjust to her new school, while the Wilsons (Lori Loughlin and Rob Estes) are dealing with having Naomi (AnnaLynne McCord) as their new house guest. Naomi convinces Annie (Shenae Grimes) to go on a double date with Liam's (Matt Lanter) friend, but Annie is shocked at the way the evening ends. When her older sister, Jen (guest star Sara Foster, "CSI") shows up, Naomi has no idea she is about to shake things up in Beverly Hills. Ryan Eggold also stars. Jamie Babbit directed the episode written by Jennie Snyder Urman (#121).