What's On Tonight: Big Brother, Eureka, Criss Angel, The Contender

• At 7, USA has more coverage of The U.S. Open.
• At 8, CBS has a new Power of 10, then a new Big Brother.
• ABC Family has a new Lincoln Heights at 8.
• The History Channel has a new, two-hour episode of The Universe at 8.
• Food Network has a new Rachael Ray at 8, then new episodes of Have Fork, Will Travel, Bobby Flay, and Glutton For Punishment.
• ESPN has two new episodes of The World Series of Poker at 8 (main event), then the season premiere of The Contender.
• Nickelodeon has a Home Improvement marathon every night this week.
• At 9, ABC has a new i-Caught, followed by a new Primetime: Crime.
• NBC has a new Biggest Loser reunion show at 9.
• There's a new Wide Angle on PBS at 9.
• TBS has a new Bill Engvall Show at 9.
• HGTV has a new Decorating Cents at 9.
• Also at 9: Sci-Fi has a new Eureka, then a new ECW.
• At 9:30, A&E has a new Dog The Bounty Hunter, then a new Criss Angel Mindfreak.
• At 10, FX has a new Damages.

Check your local TV listings for more.