On TV tonight
Arrow, 8 p.m., CW Oliver gets up the nerve to ask Detective McKenna out. Because have you seen Janina Gavankar?!?
American Idol, 8 p.m., Fox The 40 semifinalists head to Las Vegas to be culled from the group, one by one. And find out some details about Britney Spears' new casino show.
Modern Family, 9 p.m., ABC David Faustino from Married ... With Children is a guest star. Start a pool on how many minutes it takes for Ed O'Neill to make a winking reference to the old show. We say before the credits even roll.
Top Chef: Seattle, 10 p.m., Bravo Finally, because we haven't been watching online, the winner of Last Chance Kitchen gets to come back. At least we know it won't be Josie.
— Joshua Gillin [email protected]