What's On Tonight: Frontline, The Riches, ECW

• At 8, ABC has two new episodes of Just For Laughs, then a new Dancing with the Stars and the special Live To Be 150...Can You Do It?
• FOX has a new American Idol at 8, followed by the season premiere of Hell's Kitchen.
• NBC has a new, two hour Biggest Loser at 8.
• The CW has a new Beauty and the Geek at 8.
• At 9, CBS has a new Big Brother.
• There's a new Frontline on PBS at 9.
• BBC has a new Last Restaurant Standing at 9.
• At 10, CBS has a new CSI: Miami.
• FX has a new episode of The Riches at 10.
• Sci-Fi has a new ECW at 10.
• MTV has a new Life of Ryan at 10, followed by a new Rob & Big.
• Also at 10: Travel Channel has a new Bizarre Foods with Andrew Zimmern.
• At 10:30, A&E has a new Gene Simmons' Family Jewels.

Check your local TV listings for more.