What's On Tonight: Power of 10, World Series of Poker, Dog, ECW

• At 7, USA has coverage of the U.S. Open.
• At 8, ABC has a new Just For Laughs.
• CBS has a new Power of 10 at 8, then a new Big Brother.
• Also at 8: ESPN has two new episodes of The World Series of Poker.
• At 9, TBS has a new Bill Engvall Show.
• Discovery has a new Dirty Jobs at 9.
• There's a new episode of The Universe on History Channel at 9.
• Sci-Fi has a new Eureka at 9, then a new ECW.
• The Travel Channel has a new Into Alaska with Jeff Corwin.
• At 9:30, A&E has a new Dog The Bounty Hunter, followed by a new Criss Angel Mindfreak.
• At 10, TLC has a new L.A. Ink.

Check your local TV listings for more.