19x1 - Ron Howard, Nicole "Snooki" Polizzi, Sick Puppies

January 3, 2011

Ron Howard, Nicole 'Snooki' Polizzi, Sick Puppies

19x3 - Jamie Foxx, Leighton Meester

January 5, 2011

Jamie Foxx, Leighton Meester

19x4 - Hilary Swank, Jesse Eisenberg, Los Lobos

January 6, 2011

Hilary Swank, Jesse Eisenberg, Los Lobos

19x5 - Jim Parsons, Hailee Steinfeld, Lukas Nelson

January 7, 2011

Jim Parsons, Hailee Steinfeld, Lukas Nelson

19x6 - Randy Jackson, Jennifer Lopez, Ryan Seacrest, Steven Tyler, Dan Ahdoot, Diane Birch

January 10, 2011

Randy Jackson, Jennifer Lopez, Ryan Seacrest, Steven Tyler, Dan Ahdoot, Diane Birch

19x7 - Bill Maher, Cam Newton, the Duke Spirit

January 11, 2011

Bill Maher, Cam Newton, the Duke Spirit

19x8 - Seth Rogen, Brady Barr, Bettye Lavette

January 12, 2011

Seth Rogen, Brady Barr, Bettye Lavette

19x9 - Cameron Diaz, Eric Stonestreet, the Civil Wars

January 13, 2011

Cameron Diaz, Eric Stonestreet, the Civil Wars

19x10 - Michael Douglas, Julie Scardina, Randy Rogers Band

January 14, 2011

Michael Douglas, Julie Scardina, Randy Rogers Band

19x11 - Gordan Ramsay, Kathleen Madigan, Maroon 5

January 17, 2011

Gordan Ramsay, Kathleen Madigan, Maroon 5

19x12 - Ashton Kutcher, Aubrey Plaza, Neon Trees

January 18, 2011

Ashton Kutcher, Aubrey Plaza, Neon Trees

19x13 - Amy Poehler, Mike "The Situation" Sorrentino, Grace Potter & the Nocturnals

January 19, 2011

Amy Poehler, Mike 'The Situation' Sorrentino, Grace Potter & the Nocturnals

19x14 - Ben Affleck, the Decemberists

January 20, 2011

Ben Affleck, the Decemberists

19x15 - Kathie Lee Gifford & Hoda Kotb, Armie Hammer, Hayes Carll

January 21, 2011

Kathie Lee Gifford & Hoda Kotb, Armie Hammer, Hayes Carll

19x16 - Dana Carvey, Maggie Q, Lizz Wright

January 24, 2011

Dana Carvey, Maggie Q, Lizz Wright

19x17 - Jason Statham, Melissa McCarthy, White Lies

January 25, 2011

Jason Statham, Melissa McCarthy, White Lies

19x18 - Annette Bening, Frank Caliendo, Amos Lee

January 26, 2011

Annette Bening, Frank Caliendo, Amos Lee

19x19 - Kathy Bates, Brad Womack, Billy Currington

January 27, 2011

Kathy Bates, Brad Womack, Billy Currington

19x20 - Justin Bieber, Jay Mohr, the Band Perry

January 28, 2011

Justin Bieber, Jay Mohr, the Band Perry

19x21 - Adam Sandler, Larry the Cable Guy, Esperanza Spalding

January 31, 2011

Adam Sandler, Larry the Cable Guy, Esperanza Spalding

19x22 - Helena Bonham Carter, Timothy Olyphant, One eskimO

February 1, 2011

Helena Bonham Carter, Timothy Olyphant, One eskimO

19x23 - Jesse Eisenberg, Jennifer Lawrence, Ryan Bingham

February 2, 2011

Jesse Eisenberg, Jennifer Lawrence, Ryan Bingham

19x24 - Jeff Bridges, Dianna Agron, Bobby Long

February 3, 2011

Jeff Bridges, Dianna Agron, Bobby Long

19x25 - Hugh Laurie, Hailee Steinfeld, Finesse Mitchell

February 4, 2011

Hugh Laurie, Hailee Steinfeld, Finesse Mitchell

19x26 - Mark Wahlberg, Lachlan Patterson, James Blunt

February 7, 2011

Mark Wahlberg, Lachlan Patterson, James Blunt

19x27 - Javier Bardem, Paula Abdul, Merle Haggard

February 8, 2011

Mark Wahlberg, Lachlan Patterson, James Blunt

19x28 - Matt LeBlanc, Clay Matthews, Ricky Martin

February 9, 2011

Matt LeBlanc, Clay Matthews, Ricky Martin

19x29 - Rob Lowe, Amber Riley, Nicki Minaj

February 10, 2011

Rob Lowe, Amber Riley, Nicki Minaj

19x30 - Kathy Griffin, Gayle King, the Black Keys

February 11, 2011

Kathy Griffin, Gayle King, the Black Keys

19x31 - Lady Gaga, Sofia Vergara, John Legend

February 14, 2011

Lady Gaga, Sofia Vergara, John Legend

19x32 - Liam Neeson, Dave Salmoni, Gretchen Wilson

February 15, 2011

Liam Neeson, Dave Salmoni, Gretchen Wilson

19x33 - Charles Barkley, Jenni "JWoww" Farley, Red

February 16, 2011

Charles Barkley, Jenni 'JWoww' Farley, Red

19x34 - Jenna Fischer, Abigail Breslin, Miguel

February 17, 2011

Jenna Fischer, Abigail Breslin, Miguel

19x35 - Mark Harmon, Dwight Howard, 30 Seconds to Mars

February 18, 2011

Mark Harmon, Dwight Howard, 30 Seconds to Mars

19x36 - The Tonight Show with Jay Leno Season 19 Episode 36

February 21, 2011

19x37 - Owen Wilson, Rachel Maddow, Anberlin

February 22, 2011

Owen Wilson, Rachel Maddow, Anberlin

19x38 - Randy Jackson, Nick Swardson, Travie McCoy

February 23, 2011

Randy Jackson, Nick Swardson, Travie McCoy

19x39 - Meredith Vieira, DJ Pauly D, Hanson

February 24, 2011

Meredith Vieira, DJ Pauly D, Hanson

19x40 - Emily Blunt, Jackson Murphy, Chris Medina

February 25, 2011

Emily Blunt, Jackson Murphy, Chris Medina

19x41 - Christina Appelgate, John Fulton, Michael Franti

February 28, 2011

Christina Appelgate, John Fulton, Michael Franti

19x42 - Matt Damon, Betty White, Cake

March 1, 2011

Matt Damon, Betty White, Cake

19x43 - Simon Cowell, Jeff Gordon, Travis Barker

March 2, 2011

Simon Cowell, Jeff Gordon, Travis Barker

19x44 - Jerry Seinfeld, Bailee Madison, Darlene Love

March 3, 2011

Jerry Seinfeld, Bailee Madison, Darlene Love

19x45 - Aaron Eckhart, Christie Brinkley, Thompson Square

March 4, 2011

Aaron Eckhart, Christie Brinkley, Thompson Square

19x46 - Jane Lynch, Chris Matthews, Avril Lavigne

March 14, 2011

Jane Lynch, Chris Matthews, Avril Lavigne

19x47 - Wanda Sykes, Simon Pegg, Juanes

March 15, 2011

Wanda Sykes, Simon Pegg, Juanes

19x48 - Matthew McConaughey, Rizwan Manji, Michael Kosta

March 16, 2011

Matthew McConaughey, Rizwan Manji

19x49 - Rainn Wilson, "Epic Meal Time" with Harley Morenstein & Sterling Toth, Serj Tankian

March 17, 2011

Rainn Wilson, Epic Meals with Harley Morenstein & Sterling Toth, Serj Tankian

19x50 - Robert Pattinson, Whitney Cummings, Alice Cooper

March 18, 2011

Robert Pattinson, Whitney Cummings, Alice Cooper

19x51 - Zachary Levi, Lisa Lampanelli, Raphael Saadiq

March 21, 2011

Zachary Levi, Lisa Lampanelli, Raphael Saadiq

19x52 - Julie Scardina, Rebecca Black, Duran Duran

March 22, 2011

Julie Scardina, Rebecca Black, Duran Duran