Season 5

Guest Stars:

George López, Gerard Way, Ray Toro, Mikey Way, Frank Iero

Guest Stars:

Courteney Cox, Mark Moses

Guest Stars:

Maggie Gyllenhaal, Lindsey Buckingham, Tom Odell

Guest Stars:

Lauren Conrad, Eddie Pepitone

Guest Stars:

Donal Logue

Guest Stars:

Lindsey Buckingham, Giada De Laurentiis, Jerry O'Connell

Guest Stars:

Joan Rivers, Melissa Rivers, David Arquette

Guest Stars:

Donald Trump, Carrot Top

Guest Stars:

Zach Braff, David Koechner, Dave Allen, Donald Faison, Shaun White

Guest Stars:

Rupert Everett, Robin Thicke, Pharrell Williams

Guest Stars:

Greg Grunberg, Sarah Silverman

Guest Stars:

Pat O'Brien, Dominic Purcell

Guest Stars:

Andy Garcia, John Mellencamp

Guest Stars:

Robert Kelly, Ryan Reynolds

Guest Stars:

Patton Oswalt, Christina Applegate

Guest Stars:

Robin Thicke, Pharrell Williams, Kevin Bacon, Sofía Vergara

Guest Stars:

Damian Marley, Felicity Huffman

Guest Stars:

Ivanka Trump, Andy Dick, Nas

Guest Stars:

Gabrielle Union, Dominic Monaghan, Paul Weller

Guest Stars:

Katharine McPhee, Dane Cook

Guest Stars:

Justin Chambers, Gwen Stefani

Guest Stars:

Guillermo del Toro

Guest Stars:

Josh Hutcherson, Ryan Phillippe, Robert Schimmel

Guest Stars:

Gabrielle Union, Madeleine Peyroux, Clay Aiken

Guest Stars:

Jackie Earle Haley

Guest Stars:

Masi Oka, Charles Barkley

Guest Stars:

William Shatner

Guest Stars:

Skeet Ulrich, Ellen DeGeneres

Guest Stars:

Rebecca Romijn

Guest Stars:

Jonathan Silverman, Randy Jackson

Guest Stars:

Ken Davitian, Mickey Avalon, Kathie Lee Gifford

Guest Stars:

Kelly Ripa, Milo Ventimiglia

Guest Stars:

Jewel, Steven Wright

Guest Stars:

LL Cool J, Tom Morello

Guest Stars:

Ray Liotta, Nadine Velazquez

Guest Stars:

Patrick Warburton, Christina Ricci

Guest Stars:

Julian McMahon, Ted Nugent, Brad Garrett

Guest Stars:

Jensen Ackles, Rosie Perez

Guest Stars:

Amber Valletta, Omarion

Guest Stars:

Artie Lange, Bryan Greenberg

Guest Stars:

Wes Craven, Mark Wahlberg

Guest Stars:

Jeff Goldblum, Kate Mara

Guest Stars:

Bob Woodruff, Terrence Howard

Guest Stars:

Paolo Nutini, Don Cheadle

Guest Stars:

MIKA, Kiele Sanchez, Michael Chiklis

Guest Stars:

Evan Ross, Will Arnett

Guest Stars:

Josh Groban, Carmelo Anthony, Amy Poehler

Guest Stars:

Hilary Swank, Hilary Duff

Guest Stars:

Elliott Yamin, Rachael Harris, Kurt Russell

Guest Stars:

Robert Rodriguez, Tim McGraw

Guest Stars:

Ciara, Nick Swardson, Rosario Dawson

Guest Stars:

Jeff Foxworthy, Vanessa Ferlito

Guest Stars:

Andy Milonakis, Goran Višnjić

Guest Stars:

Jamie-Lynn Sigler, Carlos Mencia

Guest Stars:

Andy Dick, Jon Voight

Guest Stars:

Paul Reubens, Vince Young

Guest Stars:

Andrew Baldwin, Luke Wilson

Guest Stars:

Maria Menounos, Michael Chiklis

Guest Stars:

Jamie Kennedy, Iggy Pop

Guest Stars:

Sanjaya Malakar, Sig Hansen

Guest Stars:

Tori Spelling

Guest Stars:

Andy Dick, Danica Patrick

Guest Stars:

Garry Marshall, Peter Krause

Guest Stars:

Blake Shelton

Guest Stars:

Joe Rogan, Evangeline Lilly

Guest Stars:

Aida Turturro, Clay Aiken, Alexa Ray Joel, Amy Weaver

Guest Stars:

Matthew Fox, Kelly Clarkson

Guest Stars:

Leslie Feist, Flavor Flav, Paula Abdul

Guest Stars:

Jerry Ferrara, Avril Lavigne

Guest Stars:

Mark Indelicato, Cameron Diaz

Guest Stars:

Geoffrey Rush, Mary Lynn Rajskub

Guest Stars:

Ashley Judd, Matt Bomer

Guest Stars:

Carmen Electra

Guest Stars:

Patrick Wolf, Leslie Mann, Kevin Costner

Guest Stars:

Chris Cornell, Megan Fox, Seth Rogen

Guest Stars:

Andy Garcia, Josh Flitter

Guest Stars:

Bob Odenkirk

Guest Stars:

Michael Q. Schmidt, George Foreman, Jennifer Esposito

Guest Stars:

Elisha Cuthbert

Guest Stars:

Timothy Olyphant

Guest Stars:

Rob Schneider

Guest Stars:

Kevin James

Guest Stars:

Marc Anthony, Katee Sackhoff, Jim Norton

Guest Stars:

William Baldwin

Guest Stars:

Joss Stone, Mandy Moore, Jon Hamm

Guest Stars:

Yung Joc, Matt Dallas, George López

Guest Stars:

Charlie Day

Guest Stars:

Kyra Sedgwick, will.i.am

Guest Stars:

Mario Batali, Danny DeVito

Guest Stars:

Amanda Bynes, James Blunt, Michael Douglas

Guest Stars:

Sandra Oh

Guest Stars:

Nick Lowe

Guest Stars:

Soulja Boy, Chyler Leigh, Jamie Foxx

Guest Stars:

Rachel Griffiths, Jack McBrayer

Guest Stars:

Balthazar Getty

Guest Stars:

America Ferrera, Tony Hawk

Guest Stars:

José González, Jason Schwartzman, Jennifer Esposito

Guest Stars:

Q-Tip, Anne Heche

Guest Stars:

Angie Stone, Nick Cannon, Kristin Chenoweth

Guest Stars:

Angie Harmon, Scott Foley

Guest Stars:

Talib Kweli, Adrien Brody, David Koechner

Guest Stars:

Terry Bradshaw

Guest Stars:

Sara Bareilles, Kelly Ripa

Guest Stars:

Mira Sorvino, Brad Paisley

Guest Stars:

Josh Hartnett, Tila Tequila, Ben Harper

Guest Stars:

Jack LaLanne

Guest Stars:

Rebecca Romijn, James Lipton

Guest Stars:

Andy Dick, Nick Swardson

Guest Stars:

Common, Jerry O'Connell

Guest Stars:

Zachary Quinto, LeAnn Rimes, Christina Applegate