“American Idol” (8 p.m., Fox): College basketball has its Final Four, and so does

“American Idol” (8 p.m., Fox): College basketball has its Final Four, and so does “American Idol.” They take the stage tonight.

“The Catch” (10 p.m., ABC): “The Catch” stars Mireille Enos as a savvy private eye who is conned out of millions by her fiance (Peter Krause). Now she wants payback.

TV listings, B6