Seasons & episodes
S4 · E49George Lopez, Duane "Dog" Chapman, the Sounds 2006-03-21 · 45 min
No episode summary available yet.
S4 · E50Jamie-Lynn Sigler, Larry the Cable Guy, Gogol Bordello 2006-03-22 · 45 min
No episode summary available yet.
S4 · E51Kiefer Sutherland, Rocco DeLuca 2006-03-24 · 45 min
No episode summary available yet.
S4 · E52Seth Green, Chop from "King of Cars," Anthony Jeselnik, John Anderson 2006-04-03 · 45 min
No episode summary available yet.
S4 · E53Anthony Anderson, Pete Rose 2006-04-04 · 45 min
No episode summary available yet.
S4 · E54Carmen Electra, David Gest, People in Planes 2006-04-05 · 45 min
No episode summary available yet.
S4 · E55Tori Spelling, C. Thomas Howell, T.I. 2006-04-07 · 45 min
No episode summary available yet.
S4 · E56Rebecca Romijn, Judge Marilyn Milian, T-Pain 2006-04-10 · 45 min
No episode summary available yet.
S4 · E57Chris Matthews, Craig Bierko 2006-04-11 · 45 min
No episode summary available yet.
S4 · E58Wilmer Valderamma, Chris Elliott, The Wiggles 2006-04-12 · 45 min
No episode summary available yet.
S4 · E59Charlie Sheen, Rube Goldberg Contest winners, K.T. Tunstall 2006-04-14 · 45 min
No episode summary available yet.
S4 · E60Paula Abdul, Enrico Colantoni, Mighty Gonzalez 2006-04-17 · 45 min
No episode summary available yet.
S4 · E61Cheryl Hines, Landon Donovan, Bril 2006-04-18 · 45 min
No episode summary available yet.
S4 · E62Eva Longoria, Dick Cavett, Dresden Dolls 2006-04-19 · 45 min
No episode summary available yet.
S4 · E63Regis Philbin, Barry Watson, Mike Birbiglia 2006-04-21 · 45 min
No episode summary available yet.
S4 · E64Natasha Henstridge, Robert Wuhl, the cast of MTV's "Call to Greatness" 2006-04-24 · 45 min
No episode summary available yet.
S4 · E65LL Cool J, Robert Klein 2006-04-25 · 45 min
No episode summary available yet.
S4 · E66Guy Pearce, Ludacris, Atmosphere 2006-04-26 · 45 min
No episode summary available yet.
S4 · E67Susan Lucci, Adam Carolla, Rihanna 2006-04-27 · 45 min
No episode summary available yet.
S4 · E68Joe Gannascoli, Kellie Pickler, Adam Carolla, Godsmack 2006-04-28 · 45 min
No episode summary available yet.
S4 · E69Jenny McCarthy, Seth MacFarlane, The Cult 2006-05-01 · 45 min
No episode summary available yet.
S4 · E70Sir Ian McKellen, Jared Leto, Franz Ferdinand 2006-05-02 · 45 min
No episode summary available yet.
S4 · E71Chris O'Donnell, American Chopper Guys 2006-05-03 · 45 min
No episode summary available yet.
S4 · E72Kathie Lee Gifford, Isaiah Washington, Art Brut 2006-05-04 · 45 min
No episode summary available yet.