What's On Tonight: Smackdown, Moonlight, Stargate Atlantis

• At 8, CBS has a new Ghost Whisperer, followed by new episodes of Moonlight and Numb3rs.
• NBC has a new 1 vs. 100 at 8, then new episodes of Friday Night Lights and Las Vegas.
• The CW has a new Smackdown! at 8.
• PBS has a new NOW at 8, followed by new episodes of Washington Week and Bill Moyers Journal.
• Sci-Fi has a new Flash Gordon at 8.
• Also at 8: Disney has High School Musical 2.
• At 9, Lifetime has a new How To Look Good Naked, followed by a new Matched in Manhattan and two new episodes of Top This Party.
• USA has a new Monk at 9, then a new Psych.
• At 10, ABC has a new 20/20.
• Sci-Fi has a new Stargate Atlantis at 10.
• At 10:30, Comedy Central has a new Comedy Central Presents, with Sebastian Maniscalco.
• At 11, HBO has a new Real Time with Bill Maher.

Check your local TV listings for more.