Alec Baldwin visits Letterman, Andy Samberg & Jorge Garcia pop in on Fallon

Highlights? For me: Jack Donaghy on "Letterman" and the dude who's going to make it with Justin Timberlake's mom on "Jimmy Fallon." You?

"Late Show with David Letterman": Alec Baldwin, Maya Rudolph

"The Tonight Show with Jay Leno": Dennis Miller, Kelly Clarkson

"Late Night with Jimmy Fallon": Andy Samberg, Jorge Garcia

"Last Call with Carson Daly": Oscar Nunez

"Jimmy Kimmel Live": Paula Abdul, latest "Dancing with the Stars" castoff

"The View": Melina Kanakaredes, Maya Rudolph

"Live with Regis and Kelly": winners of "The Amazing Race"

"The Ellen DeGeneres Show": Matthew Fox

"Chelsea Lately": Michelle Trachtenberg (repeat)

"The Bonnie Hunt Show": Emily Deschanel