What's On Tonight: Ghost Whisperer, Smackdown, Stargate, Henry Rollins

• At 8, CBS has a new Ghost Whisperer, a new Close To Home (both season finales) and a new Numb3rs.
• NBC has a new, two-hour Dateline at 8, then a new Law and Order.
• There's a new Smackdown! on The CW at 8.
• PBS has a new NOW at 8, then new episodes of Washington Week and Bill Moyers Journal.
• TLC has a new Trading Spaces at 8.
• Also at 8: Sci-Fi has new episodes of Stargate SG-1, Stargate Atlantis, and Painkiller Jane.
• At 9, ABC has a new, two-hour 20/20.
• At 11, IFC has a new Henry Rollins Show, with guests Luke and Andrew Wilson and Chris Cornell.
• HBO has a new Real Time with Bill Maher, with guests Paula Poundstone, Arianna Huffington, Frank Luntz, and David Talbot.

Check your local TV listings for more.