• Shark Week begins on Discovery Channel,
• At 8, ABC has a new High School Musical: Get in the Picture.
• CBS has a new Big Brother at 8.
• TNT has The Wizard of Oz at 8.
• HGTV has all new episodes starting at 8: House Hunters, House Hunters International, Design Star, The Stagers, and Property Virgins.
• TCM has Mr. Deeds Goes To Town at 8.
• At 9, NBC has a new Dateline.
• PBS has a new Masterpiece at 9.
• USA has a new Law and Order: CI at 9, followed by a new In Plain Sight.
• History Channel has a new Ice Road Truckers at 9.
• HBO has a new Generation Kill at 9.
• At 9:30, A&E has a new Gene Simmons Family Jewels, then a new Two Coreys.
• At 10, AMC has the season premiere of Mad Men.
• There's a new Army Wives on Lifetime at 10.
• E! has new episodes of Denise Richards: It's Complicated and Living Lohan starting at 10.
• Also at 10: Food Network has the season finale of The Next Food Network Star. It's followed by a sneak peek at Ted Allen's new show, Food Detectives.
• At 11:30, Cartoon Network has a new Venture Brothers.
• At 12:15am, Cartoon Network has a new Fat Guy Stuck in Internet, then new episodes of Tim and Eric's Awesome Show, Great Job and Assy McGee.

Check your local TV listings for more.