"American Idol" (7 p.m., WFLD-Channel 32): It's Ellen Degeneres's first night judging the Hollywood round. In the words of Le Ann Womack, Ellen, I hope you dance.

"Venom in Vegas" (7 p.m., Animal Planet): A venom expert lives for 10 days in a glass enclosure with a variety of deadly snakes. I'll pass, but it may be for you.

"The Biggest Loser: Couples" (7 p.m., WMAQ-Channel 5): The contestants learn to train like Olympic athletes in Colorado.

"The Jay Leno Show" (9 p.m., WMAQ-Channel 5): Bid adieu to prime-time Jay. His guests include Ashton Kutcher and "Precious's" Gabourey Sidibe, along with Bob
Costas for "10 @ 10."

"Rock Docs: Soul Train: The Hippest Trip in America" (midnight, VH1): A rerun of "Soul Train's" 40th birthday, with Snoop Dogg, Aretha Franklin, Patti LaBelle, Chaka Khan, Smokey Robinson and Clive Davis.