18x2 - Tim McGraw, Shaquille O'Neal, Keri Hilson

January 4, 2011

18x3 - Jennifer Connelly, Dr. Oz, Justin Townes Earle

January 5, 2011

18x4 - Seth Rogen, Beau Garrett, the Walkmen

January 6, 2011

18x5 - Regis Philbin, Hannibal Buress, No Age

January 7, 2011

18x6 - Bill Cosby, a Top Ten List presented by Nicole "Snooki" Polizzi, the Black Keys

January 10, 2011

18x7 - Vince Vaughn, Mike Wolfe & Frank Fritz, Cage the Elephant

January 11, 2011

18x8 - Kevin James, Olivia Munn, The Low Anthem

January 12, 2011

18x9 - Kelsey Grammer, Amar'e Stoudemire, Gregg Allman

January 13, 2011

18x10 - Joan Rivers, Jeff Caldwell, Wintersleep

January 14, 2011

18x11 - Jack Hanna, Steven Tyler

January 17, 2011

18x12 - Betty White, Kim & Kourtney Kardashian, the Script

January 18, 2011

18x13 - Martin Short, Greta Gerwig, Darius Rucker

January 19, 2011

18x14 - Kaley Cuoco, Piers Morgan, Wanda Jackson, Miss Arkansas, Alyse Eady

January 20, 2011

18x15 - Nathan Lane, Mike Palascak, Esperanza Spalding

January 21, 2011

18x16 - Justin Bieber, Pauley Perrette, Best Coast

January 31, 2011

18x17 - Matthew Perry, Chris Elliott, Top Ten with Mitt Romney, the National

February 1, 2011

18x18 - Kate Walsh, Jim Gaffigan, Boxer Rebellion

February 2, 2011

18x19 - Howard Stern, Naughty By Nature

February 3, 2011

18x20 - Martha Stewart, Top Ten with Justin Bieber, Robert Plant

February 4, 2011

18x21 - Super Bowl MVP Aaron Rodgers, Martin Lawrence, Steel Magnolia

February 7, 2011

18x22 - Adam Sandler, Chris Colfer, Gang of Four

February 8, 2011

18x23 - Anderson Cooper, Elton John

February 9, 2011

18x24 - Nicole "Snooki" Polizzi, Judah Friedlander, Bryan Ferry

February 10, 2011

18x25 - Ed Helms, Ted Alexandro, Steel Magnolia

February 11, 2011

18x26 - S.I. Swimsuit Cover Reveal & Top 10, Tom Brokaw, Theophilus London

February 14, 2011

Tom Brokaw, a Top Ten List presented by 10 "Sports Illustrated" swimsuit models, Theophilus London

18x27 - Forest Whitaker, S.I. Swimsuit Cover Model Irina, Josh Groban, Top Ten with Joy Philbin

February 15, 2011

18x28 - Bill Hader, Grocery Bagging Champ Krystal, Amos Lee

February 16, 2011

18x29 - Paris Hilton, Nathan Fillion, Scissor Sisters

February 17, 2011

18x30 - David Spade, Andy Kindler, Lukas Nelson and Promise of the Real

February 18, 2011

18x31 - Donald Rumsfeld, Cobie Smulders

February 21, 2011

18x32 - Amy Poehler, Jean Chu and Dusty the Cat, Deerhunter

February 22, 2011

18x33 - Rainn Wilson, Hank Aaron

February 23, 2011

18x34 - Senator Rand Paul, Bright Eyes

February 24, 2011

18x35 - Matthew Morrison, Jeff Altman, Jessica Lea Mayfield

February 25, 2011

18x36 - Brian Williams, Trey Parker & Matt Stone, Zac Brown Band

February 28, 2011

18x37 - Amanda Seyfried, B.J. Novak

March 1, 2011

18x38 - Donald Trump, Vanessa Hudgens, Oh Land

March 2, 2011

18x39 - Robin Williams, Judy Greer

March 3, 2011

18x40 - Charles Barkley, Sarah Vowell, Cold War Kids

March 14, 2011

18x41 - Bradley Cooper, Mindy Kaling, Bob Geldof

March 15, 2011

18x42 - Steve Martin, Selena Gomez

March 16, 2011

18x43 - Dana Carvey, Dr. Michio Kaku, British Sea Power

March 21, 2011

18x44 - Katie Couric, The Pains of Being Pure at Heart

March 22, 2011

18x45 - Ben Stiller, Dario Franchitti, The Strokes

March 23, 2011

18x46 - "Jungle" Jack Hanna, Danny McBride

March 28, 2011

18x47 - Regis Philbin, Snoop Dogg

March 29, 2011

18x48 - Norm Macdonald, CC Sabathia, Willie Nelson, Norah Jones and Wynton Marsalis

March 30, 2011

18x49 - Chris Rock, Ellen Page, Funeral Party

March 31, 2011

18x50 - James Franco, Royal Bangs

April 1, 2011

18x51 - Jennifer Garner, Jamie Oliver, Robbie Robertson

April 5, 2011