Jonah Hill & Cheryl Hines on 'Conan,' Jordin Sparks on 'Fallon' & 'Live with Reeg'

I'm out of the "Idol" loop, what is Jordin Sparks promoting? A new album?

"Late Show with David Letterman": Kevin Spacey, Jesse James, The Flatlanders, a Top Ten List presented by Stewart Cink

"The Tonight Show with Conan O'Brien": Jonah Hill, Cheryl Hines, Dan Naturman

"Late Late Show with Craig Ferguson": Gerard Butler, Jackie Collins

"Late Night with Jimmy Fallon": Michael Ian Black, Michael Showalter, Jordin Sparks

"Last Call with Carson Daly": Adrianne Palicki, Robin Thicke (R)

"The Daily Show with Jon Stewart": Steven Chu

"The Colbert Report": Dr. Aaron Carroll

"Jimmy Kimmel Live": Seth Green, "Bachelorette" Jillian Harris

"The View": David Hasselhoff, The Script

"Live with Regis and Kelly": Katherine Heigl, Jordin Sparks

"The Ellen DeGeneres Show": Ryan Seacrest (R)

"Tavis Smiley": Prince, Bria Valente (R)

"Chelsea Lately": Margaret Cho, Jo Koy, Randy and Jason Sklar

"The Hour with George Stroumboulopoulos": Scott McClellan, David Foster (R)

"The Bonnie Hunt Show": Lauren Graham, Bruce Jenner, professional cheese carver Troy Landwehr (R)