What's On Tonight: Big Brother, Rachael Ray, Eureka, Damages

• At 8, CBS has a new Power of 10, then a new Big Brother.
• ABC has two new episodes of Just For Laughs at 8, followed by new episodes of iCaught and Primetime: Crime.
• NBC has a new, two hour Biggest Loser at 8.
• ABC Family has a new Lincoln Heights at 8.
• ESPN has two new episodes of the World Series of Poker at 8, then a new Contender.
• At 9, PBS has a new Wide Angle.
• Food Network has a new Rachael Ray at 9.
• Also at 9: Sci-Fi has a new Eureka, then a new ECW.
• At 10, TLC has a new L.A. Ink.
• A&E has a new Criss Angel Mindfreak at 10.
• There's a new Damages on FX at 10.

Check your local TV listings for more.