Seasons & episodes
S18 · E1Brian Williams, Paula Abdul 2011-01-03
No episode summary available yet.
S18 · E2Tim McGraw, Shaquille O'Neal, Keri Hilson 2011-01-04
No episode summary available yet.
S18 · E3Jennifer Connelly, Dr. Oz, Justin Townes Earle 2011-01-05
No episode summary available yet.
S18 · E4Seth Rogen, Beau Garrett, the Walkmen 2011-01-06
No episode summary available yet.
S18 · E5Regis Philbin, Hannibal Buress, No Age 2011-01-07
No episode summary available yet.
S18 · E6Bill Cosby, a Top Ten List presented by Nicole "Snooki" Polizzi, the Black Keys 2011-01-10
No episode summary available yet.
S18 · E7Vince Vaughn, Mike Wolfe & Frank Fritz, Cage the Elephant 2011-01-11
No episode summary available yet.
S18 · E8Kevin James, Olivia Munn, The Low Anthem 2011-01-12
No episode summary available yet.
S18 · E9Kelsey Grammer, Amar'e Stoudemire, Gregg Allman 2011-01-13
No episode summary available yet.
S18 · E10Joan Rivers, Jeff Caldwell, Wintersleep 2011-01-14
No episode summary available yet.
S18 · E11Jack Hanna, Steven Tyler 2011-01-17
No episode summary available yet.
S18 · E12Betty White, Kim & Kourtney Kardashian, the Script 2011-01-18
No episode summary available yet.
S18 · E13Martin Short, Greta Gerwig, Darius Rucker 2011-01-19
No episode summary available yet.
S18 · E14Kaley Cuoco, Piers Morgan, Wanda Jackson, Miss Arkansas, Alyse Eady 2011-01-20
No episode summary available yet.
S18 · E15Nathan Lane, Mike Palascak, Esperanza Spalding 2011-01-21
No episode summary available yet.
S18 · E16Justin Bieber, Pauley Perrette, Best Coast 2011-01-31
No episode summary available yet.
S18 · E17Matthew Perry, Chris Elliott, Top Ten with Mitt Romney, the National 2011-02-01
No episode summary available yet.
S18 · E18Kate Walsh, Jim Gaffigan, Boxer Rebellion 2011-02-02
No episode summary available yet.
S18 · E19Howard Stern, Naughty By Nature 2011-02-03
No episode summary available yet.
S18 · E20Martha Stewart, Top Ten with Justin Bieber, Robert Plant 2011-02-04
No episode summary available yet.
S18 · E21Super Bowl MVP Aaron Rodgers, Martin Lawrence, Steel Magnolia 2011-02-07
No episode summary available yet.
S18 · E22Adam Sandler, Chris Colfer, Gang of Four 2011-02-08
No episode summary available yet.
S18 · E23Anderson Cooper, Elton John 2011-02-09
No episode summary available yet.
S18 · E24Nicole "Snooki" Polizzi, Judah Friedlander, Bryan Ferry 2011-02-10
No episode summary available yet.