Who Wants to be a Millionaire (8pm, ABC) - Regis Philbin is back with the hit that started the big prime time game show craze in 1999. Tonight kicks off the first in 11 straight nights of prime time "Millionaire" action, as the show celebrates its 10th anniversary with an updated ("improved," says Regis) format. Both celebrities and non-celebrities compete for cash. Katy Perry plays and Sam Donaldson serves as a lifeline.
Joan Rivers Comedy Central Roast (9pm, Comedy) - Kathy Griffin hosts a roast of comedian Joan Rivers and trust me, it's gonna get U-G-L-Y.
Shark Tank (9pm, ABC) - A Cary businessman is one of several entrepreneurs who do their best to convince a panel of billionaires to invest in their idea or their company.
Law & Order: Criminal Intent (9pm, NBC) - Tonight is the season 8 finale (finale!? too soon! too soon!), and it's a Goldblum episode. The plot sounds complicated - somehow the kidnapping and murder of a bank executive leads to something about a terrorist plot. Who cares. It's Goldblum. Also, don't miss a season 8 marathon on USA beginning this morning at 10am and lasting till 6pm.