4x50 - Janet Jackson, Brittany Murphy

November 10, 2006

4x51 - Martha Stewart, Shemar Moore, Stuart Whitehurst

November 13, 2006

4x52 - Will Ferrell, James Blunt

November 14, 2006

4x53 - Robin Williams, John Legend

November 15, 2006

4x54 - Felicity Huffman, Bianca Ryan, 8-year-old skateboarding twins Tristan and Nic Puehse

November 16, 2006

4x55 - Greg Kinnear, Tori Spelling

November 17, 2006

4x56 - Penelope Cruz, Emmitt Smith

November 20, 2006

4x57 - Bill Clinton, Jay-Z

November 21, 2006

4x58 - Denzel Washington, Nathan Lane

November 22, 2006

4x60 - Matt Lauer, Meredith Vieira

November 24, 2006

4x61 - Matthew Broderick, Fred Willard, The Legends

November 27, 2006

4x62 - Cameron Diaz, Chris Daughtry

November 28, 2006

4x63 - Ben Affleck, Lucy Liu, Nathan Godsey

November 29, 2006

4x64 - Ashley Judd, Snoop Dogg

November 30, 2006

4x65 - Minnie Driver, Bob Proctor, John Assaraf

December 1, 2006

4x66 - Masi Oka, Ali Larter, Hayden Panettiere, Sendhil Ramamurthy, Chris Kattan, dance squad "Diamonds N' Ruff"

December 4, 2006

4x67 - Taye Diggs, Ciara

December 5, 2006

4x68 - Jack Hanna, fitness trainer Bob Harper, Damien Rice

December 6, 2006

4x69 - Emilio Estevez, Mike Holmes

December 7, 2006

4x70 - Mel Gibson, Jo Frost, Mary J. Blige

December 8, 2006

4x71 - William Shatner, Vanessa Marcil

December 11, 2006

4x72 - Edward Norton, Anne Hathaway, The Fray

December 12, 2006

4x73 - Jessica Biel, Shawn and Marlon Wayans

December 13, 2006

4x74 - Dakota Fanning, Adam Beach, Natalie Cole

December 14, 2006

4x75 - Kellie Pickler, Al Gore

December 15, 2006

4x76 - Courteney Cox, John Mayer

January 2, 2007

4x77 - Samuel L. Jackson, Eric Mabius

January 3, 2007

4x78 - Matthew Fox, Martina Navratilova

January 4, 2007

4x79 - Rob Lowe, Nick Graham

January 5, 2007

4x80 - Jerry O'Connell, fitness trainer Bob Harper

January 8, 2007

4x81 - Wesley Autrey, Hilary Swank

January 9, 2007

4x82 - Patrick Dempsey, Indigo Girls, 11-year-old lizard whisperer Lily Capehart

January 10, 2007

4x83 - Nicollette Sheridan, Terri and Bindi Irwin

January 11, 2007

4x84 - Jennifer Love Hewitt, restaurateurs the Scotto family

January 12, 2007

4x85 - The cast of "Little Miss Sunshine"

January 15, 2007

4x86 - Paula Abdul

January 16, 2007

4x87 - T.R. Knight, K.T. Tunstall

January 17, 2007

4x88 - Meredith Vieira, Omarion, personal trainer Bob Harper

January 18, 2007

4x89 - Donald Trump, Milo Ventimiglia

January 19, 2007

4x90 - Steve Harvey

January 22, 2007

4x91 - Judge Judy Sheindlin

January 23, 2007

4x92 - George Lopez

January 24, 2007

4x93 - Julie Andrews

January 25, 2007

4x94 - Wanda Sykes, Jeff Corwin, Ellen's birthday

January 26, 2007

4x95 - David Arquette, Bob Harper, 8-year-old piano prodigy Marc Yu

January 29, 2007

4x96 - D.L. Hughley

4x97 - Barbara Walters, Serena Williams, Gym Class Heroes

January 31, 2007

4x98 - Diane Keaton

February 1, 2007

4x99 - Jennifer Lopez

February 2, 2007

4x101 - America Ferrera, Keane, David Frei

February 6, 2007

4x102 - Christina Aguilera

February 7, 2007

4x103 - Rebecca Romijn, Bob Harper

February 8, 2007

4x104 - Gwen Stefani

February 9, 2007

4x105 - Queen Latifah, Jennifer Hudson, Nelly Furtado

February 12, 2007

4x106 - Peter O'Toole, Dominic Monaghan, Keith Barry

February 13, 2007

4x107 - Drew Barrymore, Jason Lewis, Lionel Richie

February 14, 2007

4x108 - Forest Whitaker, Billy Blanks Jr.

February 15, 2007

4x109 - Ryan Phillippe, Bob Harper, Katharine McPhee

February 16, 2007

4x110 - Jimmy Kimmel

February 21, 2007

4x111 - John Legend, John Travolta,

February 27, 2007

4x112 - Jon Abrahams, Augustana, Sandra Bullock, Kyle Collier, Alana Etheridge, Jacob Hays, Laura Marano, Spencer Martin, Julian McMahon

March 15, 2007

4x113 - Gina Glocksen, Corinne Bailey Rae, Leah Remini

April 9, 2007

4x114 - Homaru Cantu, Ice Cube, Tim McGraw

April 10, 2007

4x115 - Pink, Kurt Russell

April 11, 2007

4x116 - Jeff Foxworthy, Patty Griffin, Mark Schulman

April 12, 2007

4x125 - Anthony Hopkins, Stevie Nicks

April 24, 2007