CSI Miami (8pm, CBS) - A millionaire is murdered and the investigation leads to an elite dating service. Ryan goes undercover and poses as a rich businessman to expose the truth behind the business. Because crime scene technicians do things like that. Sigh.

Desperate Housewives (9pm, ABC) - Susan's life hangs by a thread after being trampled in that truly bizarre Wisteria Lane riot. Also, we check in on Paul Young (last seen all shot up in the middle of the street), Keith moves in with Bree, Gaby tries to fix her damaged relationship with Juanita, and Renee considers telling Lynnette about her fling with Tom (bad bad bad idea).

What Chilli Wants (9pm, VH1) - In the second season premiere, Chilli visits a doctor and gets surprising news. Also, Floyd Mayweather takes Chilli on a date.

Oprah Presents Master Class (10pm, OWN) - This episode profiles ABC News anchor Diane Sawyer, who looks back over her life and career. Here's how you can find the OWN channel.

Brothers & Sisters (10pm, ABC) - Nora's otherwise harmless date night somehow turns into a scandal for the other Walkers.