• G4 is running a Heroes marathon all day and night.
• At 7, CBS has a new 60 Minutes.
• ABC has a new America's Funniest Home Videos at 7, followed by new episodes of Extreme Makeover, Desperate Housewives, and Brothers & Sisters.
• The CW has a new CW Now at 7.
• At 8, FOX has Game 4 of The World Series.
• The CW has a new Life Is Wild at 8.
• There's a new Nature on PBS at 8, then a new Masterpiece Theatre.
• The Cartoon Network has the new movie The Haunting Hour: Don't Think About It at 8.
• Food Network has a new Challenge at 8, then new episodes of The Next Iron Chef and Iron Chef America.
• At 9, CBS has a new Cold Case, followed by a new Shark.
• HGTV has the special What's With That Haunted Halloween House at 9.
• HBO has a new Tell Me You Love Me at 9, then a new Curb Your Enthusiasm.
• Also at 9: Showtime has a new Dexter, followed by a new Brotherhood.
• At 11:30, Cartoon Network has a new Robot Chicken.

Check your local TV listings for more.