The guests are Anthony Anderson, Vivica A. Fox, Jim Gaffigan, and Mike Doughty.
The guests are Tony Shalhoub, Taryn Manning, Ben Harper, and Jack Johnson.
The guests include actor-comedian Andy Richter, The Bombshells (Carmen Electra's dance troupe), and comedian Dane Cook.
Plus, a performance by The Donnas.
The guests are Rhona Mitra, comedian Demetri Martin and singer Kelly Clarkson.
Guests includeactorJoe Pantoliano, andfightersRandy CoutureandChuck Liddell.
Plus, a performance by Matisyahu.
Guests includeAshanti, Mark Consuelos, and Ben Harper.
Guests includeIan Somerhalder, Leo Allen, and Geto Boys.
The guests areKyra Sedgwick and Green Day.
The guests areJeff Goldblum, Ken Jennings, and Big Bad Voodoo Daddy.
The guests areBilly Connelly, Joe Derosa, and Michael Tolcher.
The guests areChris Masterson, Michael Stipe, Rocco DiSpirito, and Ludacris.
The guests areAl Roker, Simeon Rice, Dov Davidoff, and De La Soul.
The guests are Edie Falco, John Mayer, and Howie Day.
This guests areJason Biggs, John Saunders, and Badly Drawn Boy.
The guests are Vanessa Marcil, Stuart Scott, Mike Birbiglia, and The Music.
The guests are Jerry O'Connell, Kevin Brennan, and The Hives.
The guests areJay-Z, Everclear, and The Presidents of the United States of America.
The guests are Frankie Muniz, Will Arnett, Robert Kelley, Ozomatli, and The Paybacks.
The guests are Allison Janney, Ondi Timoner, John Mellencamp, and The Paybacks.
The guests includeTV journalist Anderson Cooper and comedian Greg Giraldo.
Plus, a performance by The Presidents of the United States of America.
The guests are Matt Stone & Trey Parker, Linda Cohn, Dan Naturman, Ben Harper and the Blind Boys of Alabama.
The guests areSue Johanson, Ben Bailey, and Sum 41.
actor Jeremy Piven,
TV host Graham Norton,
writer Neal Brennan,
Don King (boxing promoter),
Max Kellerman (radio host and sports announcer),
Angie Stone (musical guest)