What's On Tonight: Cops, March Madness, Kim Possible, Saturday Night Live

• CBS has March Madness til 10, then it's a new 48 Hours Mystery.
• At 8, FOX has a new Cops.
• ABC has the special Celebrity A-List Bloopers at 8.
• NBC has a new Dateline at 8.
• There's a new Moving Up on TLC at 8.
• Disney has a new Kim Possible at 8.
• Also at 8: Spike has a new UFC Fight Night (all night, actually).
• At 9, FOX has a new America's Most Wanted.
• Cartoon Network has a new Naruto at 9, then new episodes of One Piece and Mar.
• At 10, TLC has a new Trading Spaces.
• HGTV has a new Design on a Dime at 10.
• TCM has the classic movie A Face In The Crowd at 10, with Andy Griffith and Patricia Neal.
• At 11, FOX has a new Mad TV.
• At 11:30, NBC has a new Saturday Night Live, with Julia Louis-Dreyfus and Snow Patrol.
• And TV Land is showing a Three's Company marathon all weekend.

Check your local TV listings for more.