EP1 - Episode 1 EP2 - Faith Hill, Robin Roberts in New York City EP3 - Eric Dane, Paula Deen, beatboxer Butterscotch EP4 - George Lopez, Jeff Corwin, Jeff Lewis and Jenni Pulos of "Flipping Out" EP5 - Daniel Radcliffe, Harvey Levin, Sabra Johnson EP6 - Kathy Griffin, 5-year-old golfer Kyle Lograsso EP7 - Magician Hans Klok and Pamela Anderson EP8 - Neil Patrick Harris, Rihanna EP9 - Kanye West, Mariska Hargitay EP10 - Wentworth Miller, Terry Fator EP11 - Howie Mandel, Tori Spelling, Dean McDermott, Rascal Flatts EP12 - Brad Garrett, Sophia Wise, Mike Klinge, Amy Schumer EP13 - Jessica Alba, Gary Vaynerchuk EP14 - Masi Oka, Steve Spangler, KT Tunstall EP15 - David Spade, Jane Seymour, Tony Dovolani, 90-year-old newlyweds August and Roberta Mahan Offer EP16 - Taye Diggs, Bryan Gaynor, James Blunt EP17 - Greg Kinnear, Paul Potts, Kat Von D EP18 - T.R. Knight, human jumper Chris Bryant EP19 - Ben Stiller, Will.i.am, hip hop violinist Paul Dateh EP20 - Queen Latifah, 7-year-old race car driver Hunter Stewart EP21 - Denis Leary, Dylan and Cole Sprouse, Kenna, Chris Bryant EP22 - Jamie Foxx, 6-year-old piano prodigy Emily Bear EP23 - Tom Selleck, Nathan Fillion, high school band leader Darrell Watson EP24 - Sharon Osbourne, "Are You Smarter Than a 5th Grader?" kids, Jill Scott EP25 - Mel B, Maksim Chmerkovskiy, Shawn Johnson, Matchbox Twenty EP26 - Kate Walsh, Jack McBrayer, Pat Monahan EP27 - Kate Hudson, Rita Wilson, Kristin Chenoweth EP28 - Dana Carvey, Miley Cyrus, Billy Ray Cyrus EP29 - Jerry O'Connell, Malin Akerman, Gretchen Wilson EP30 - Ellen’s house, Chef Gordon Ramsay, Jennifer Connelly EP31 - Drew Carey, Angie Stone, "Jon & Kate Plus 8"'s Gosselin Family EP32 - Janet Jackson, Nicolai Calabria, Ballou High School Marching Band, Laura Bush EP33 - Jake Gyllenhaal, Marc Cohn EP34 - Reese Witherspoon EP35 - Sir Anthony Hopkins, Nicole Scherzinger, "Price Is Right" contestant Marie Fodale EP36 - Steve Carell, pilot Bob Robertson, Kid Rock EP37 - Halle Berry, the Jonas Brothers, Greg Grunberg EP38 - Barack Obama, Sabrina Bryan, Mark Ballas EP39 - Larry Himmel, Amy Brenneman EP40 - Jennifer Love Hewitt, bat expert Rob Mies, Hans Klok EP41 - Tornado survivors, Victoria Beckham, Steve Spangler EP42 - Kid inventors, Josh Duhamel EP43 - 5-year-old Graham Berger Sacks, Russell Crowe, Carrie Underwood EP44 - Jenny McCarthy, Keith Urban EP45 - Kid inventors, Hayden Panettiere, Lyle Lovett and His Large Band EP46 - Vince Vaughn EP47 - James Denton, Jennie Garth, Derek Hough, Chris Brown EP48 - Heidi Klum, Sean Casey, singing Taco Bell employee Donnie Lamar Harden EP49 - Celine Dion, Will.i.am EP50 - Maroon 5 EP51 - Dwayne "The Rock" Johnson, James Taylor EP52 - Christina Applegate, Bobb'e J. Thompson, Backstreet Boys, 700th Show EP53 - Jeff Corwin, Soulja Boy Tell 'Em EP54 - Mariah Carey, Duran Duran EP55 - Helio Castroneves, Julianne Hough, piano prodigy Emily Bear EP56 - Tom Brokaw, Joey Fatone, Logan Smalley, Darius Weems EP57 - Anderson Cooper, Howie Mandel, Derek Martinez, Deanna Pappas EP58 - Paris Hilton, Derek Martinez EP59 - Rocco DiSpirito, Jordin Sparks EP60 - Jack Black, Josh Brolin, Ingrid Marie Rivera, Keith Urban, Brad Womack EP61 - OneRepublic, Dakota Blue Richards, Vanessa Williams EP62 - Bryan Dattilo, Snoop Dogg, David Frei EP63 - Jenna Bush, Ryan Shaw EP64 - Toby Keith, Keira Knightley EP65 - Paula Deen, Anthony Gargiula, Trisha Yearwood EP66 - Bonnie Brown, Chace Crawford, Allison Janney EP67 - Padma Lakshmi, Blake Lewis EP68 - Vince Mira, Alison Sweeney EP69 - Tippi Hedren, Alec Mapa EP70 - David Gray, Ty Pennington EP71 - Chris Bryant, Jeff Lewis, Jane Seymour EP72 - Colbie Caillat, Carmen Electra, Neil Tejwani EP73 - Ricki Lake, Charice Pempengco, Wolfgang Puck, Andrew Zuckerman EP74 - Jason Randal, Ashley Tisdale EP75 - Bill Germanakos, Maria Sharapova EP76 - Scott Baio, Kym Douglas, Marc Yu EP77 - Emily Bear, Tim Gunn, Ellen Page EP78 - John Legend, Nic Puehse, Tristan Puehse, Ivana Trump, Janice Wolf EP79 - Mary J. Blige, Anthony Gargiula EP80 - Cody McCasland EP81 - Maria Bartiromo, Plain White T's EP136 - Jimmy Kimmel, Holly Kiser, Michael McDowell EP146 - David Beckham, Ashlee Simpson