Meanwhile Jay Leno, Conan O’Brien, Jimmy Kimmel and Carson Daly – who all went back to work without writers – are apparently having a tough time booking guests. Leno and Kimmel’s solution? Appear on each other’s shows Thursday.

Tuesday, January 8

MGMT, Bill Medley (sitting in with the band) – “Late Show with David Letterman”

Rogue Wave – “Late Late Show with Craig Ferguson”

Joshua Radin – “Last Call with Carson Daly”

Wednesday, January 9

Ice Cube, Kirk Franklin – “Live with Regis and Kelly”

John Legend – “The Ellen DeGeneres Show”

Lupe Fiasco – “The Tavis Smiley Show”

Chuck Prophet – “Late Show with David Letterman”

OneRepublic – “Last Call with Carson Daly”

Thursday, January 10

Mary J. Blige – “The Ellen DeGeneres Show”

Ayo – “Late Show with David Letterman”

Blake Lewis – “Late Late Show with Craig Ferguson”

Chingy – “Last Call with Carson Daly”

Friday, January 11

Carlos & Salvador Santana – “The Tavis Smiley Show”

Dropkick Murphys – “Late Show with David Letterman”

Spoon – “Late Late Show with Craig Ferguson”

Alicia Keys – “Last Call with Carson Daly”

Saturday, January 12

Kings of Leon, Roky Erickson – “Austin City Limits”

The Shins – “Saturday Night Live” – rerun