Primetime Preview: American Idol, Privileged

What should you set your TiVo for tonight? And what should you say Ti-NO to?

Our staff combs through this evening's television listings and helps readers set their viewing schedules:

• 8 p.m. We're one night away from learning the final 36 on American Idol (Fox); A bad boy seduces Naomi on 90210 (The CW).
• 9:00 p.m. Yes, that's Robert Buckley on Privileged (The CW); Jane tutors Cho on The Mentalist (CBS); The Germans have questions for Olivia on Fringe (Fox).
• 9:30 p.m. It's sketch show time on Scrubs (ABC).
• 10 p.m. The insane new mother of octuplets is featured on Dateline (NBC).

Liam, billed as the new Dylan McKay, debuts tonight on 90210.