What's On Tonight: March Madness, Jezebel James, The Soup

• CBS has more March Madness coverage all night.
• Sci-Fi is showing a Jericho marathon.
• At 8, NBC has a new Amnesia, followed by two new episodes of Dateline.
• The CW has a new Smackdown! at 8.
• PBS has a new NOW at 8, then new episodes of Washington Week and Bill Moyers Journal.
• TCM has The Wizard of Oz at 8.
• At 8:30, FOX has a new Return of Jezebel James.
• At 9, ABC has two new episodes of 20/20.
• IFC has Swingers at 9.
• At 9:30, HBO has a new In Treatment.
• At 10, Comedy Central has two new episodes of Comedy Central Presents, with Chad Daniels and Kirk Fox.
• There's a new episode of The Soup at 10 on E!
• At 11, HBO has a new Real Time with Bill Maher, with guests Jon Hamm, P.J. O'Rouke, Rep. Barney Frank, and Richard Dawkins.

Check your local TV listings for more.