9 pm/ET FOX
There was Vegas swing and sway last night when the Top 5 interpreted standards popularized by the Rat Pack, the 1960s clique of cool crooners that included Frank Sinatra, Dean Martin and Sammy Davis Jr. All this happened sans Anoop Desai and Lil Rounds, who lacked disco fever the week before and fell victim to a double gonging. Now the lasting quintet — Kris Allen, Matt Giraud, Danny Gokey, Allison Iraheta and Adam Lambert — anxiously await viewers' verdicts on last night's performances, with one of them ultimately heading home. And alert the Soul Patrol: Season 5 winner Taylor Hicks returns to Idol to perform "Seven Mile Breakdown."
Read on for previews of Lost, Legacy of War, CSI: NY and Criminal Minds.