Episode 1: Michael Bolton, Dikembe Mutombo and the Cheetah Girls

Episode 2: Julianne Moore, Brad Garrett and KT Tunstall

Episode 3: David Duchovny, Mary Hart and Daniel Powter

Episode 4: Alan Alda and Rachel Bilson

Episode 5: Tommy Lee and David Boreanaz

Episode 71: Chris Rock

Episode 72: Zach Braff and Toby Keith

Episode 73: Ashton Kutcher and Barenaked Ladies

Episode 74: Dwayne "The Rock" Johnson and NASCAR Top 10

Episode 75: Usher, plus World Record Week Ends

Episode 76: Ben Affleck and Howie Mandel

Episode 77: Martin Short, Rusty Wallace and Jesse McCartney

Episode 78: Patrick Dempsey, Caroline Rhea and Kenny Chesney

Episode 79: Jason Lee and James Franco

Episode 80: The 4th Annual Relly Awards

Episode 81: Marcia Cross, Tom Welling and Nelly Furtado

Episode 82: Ted Danson, Chris Noth and Ludacris

Episode 83: Billy Bob Thornton, Christine Schwab and Barney

Episode 84: John Stamos, Marg Helgenberger and Vanessa Anne Hudgens

Episode 85: Nick & Aaron Carter and Carrot Top

Episode 86: Emily Procter, Prince Lorenzo Borghese and Monica

Episode 87: Mark Wahlberg and Dominic Monaghan

Episode 88: Kate Winslet and Alex Trebek

Episode 89: Jo Frost and Jerome Bettis

Episode 90: Amber Tamblyn and Mario Vazquez

Episode 91: Donald Trump, John Cena and James Blunt

Episode 92: Robin Williams and Robert Randolph & the Family Band

Episode 93: Sarah Michelle Gellar and Dana Delany

Episode 94: Christopher Walken, Forest Whitaker and Teddy Geiger

Episode 95: Jane Krakowski

Episode 96: Super Seniors Challenge Week and Ryan Phillippe

Episode 97: Super Senior Challenge Week, Kirsten Dunst and Ice-T

Episode 98: Super Senior Challenge Week, Tina Fey and JoJo

Episode 99: Super Senior Challenge Week, Hugh Jackman and Danity Kane

Episode 100: Super Senior Challenge Week, Michael Caine and Tim McGraw

Episode 101: Annette Bening and Peter Falk

Episode 102: Sharon Osborne , Miley Cyrus and Paula Deen

Episode 103: Sarah Jessica Parker

Episode 104: Jim Belushi and The Wiggles

Episode 105: Shannen Doherty

Episode 106: Claudia Cohen, Adrian Pasdar and Nigella Lawson

Episode 107: Halloween Show, Judge Judy and Bowling for Soup

Episode 108: Tim Allen and Jerry Springer

Episode 109: Denzel Washington, Adewale Akinnuoye-Agbaje and Jeff Gordon

Episode 110: Madonna, Chevy Chase and Gretchen Wilson

Episode 111: Sacha Baron Cohen, Sting and "Amazing Race" Castoffs

Episode 112: Russell Crowe and John O'Hurley

Episode 113: Will Ferrell and David James Elliott

Episode 114: Dustin Hoffman and John O'Hurley

Episode 115: Howie Mandel, John Leguizamo and Josh Groban

Episode 116: Julia Louis-Dreyfus and Christian Slater

Episode 117: Emilio Estevez and Terrell Owens

Episode 118: Penélope Cruz and Taye Diggs

Episode 119: Julianne Moore and Daniel Craig

Episode 120: Clay Aiken and finalists from "Dancing with the Stars"

Episode 121: Val Kilmer and Noah Wyle

Episode 122: Rachel Weisz and Morgan Freeman

Episode 123: Kristin Davis and Chris Daugherty

Episode 124: Revisit Guinness Week 2006

Episode 125: Wilmer Valderrama, Ricky Martin and the Winner of the Nextel Cup

Episode 126: Kyle Chandler, Lucy Liu and Prince Lorenzo Borghese

Episode 127: Jude Law and Prince Lorenzo Borghese

Playing

Episode 128: Dan Rather and Carson Kressley

Episode 129: Eva La Rue and Drake Bell

Episode 130: Season 18, Episode 180

Episode 131: Dakota Fanning, Derek Jeter and Sarah McLachlan

Episode 132: Cate Blanchett, Nick Cannon and Ciara

Episode 133: Shawn & Marlon Wayans and Taylor Hicks

Episode 134: "America's Next Top Model" Winner, Rob Lowe and The Toy Guy

Episode 135: Diane Sawyer, Brian McKnight and Kermit The Frog

Episode 136: Matthew Fox, Fantasia Barrino and the "Amazing Race" Winners

Episode 137: Matthew McConaughey and Trans-Siberian Orchestra

Episode 138: George Clooney and Susan Lucci

Episode 139: Naomi Watts, The Love Chef and Aimee Mann

Episode 141: Sylvester Stallone, Chris Brown and Bow Wow

Episode 142: Ben Stiller and "Survivor" Winner

Episode 143: Beyonce Knowles and Cameron Mathison

Episode 144: Jamie Foxx and Clive Owen

Episode 145: Robert Deniro, Ashanti and "Disney On Ice"

Episode 146: Season 18, Episode 181

Episode 147: Season 18, Episode 1

Episode 148: Denzel Washington, Raven Symone and Jewel

Episode 149: Christopher Walken and Teddy Geiger

Episode 150: Kate Winslet, Jason Lee, Jeremy Piven and Dale Earnhardt, Jr.

Episode 151: Ben Affleck, Ludacris, and Hilary Duff

Episode 152: Orlando Bloom, Martin Short and Jesse McCartney

Episode 153: Mark Wahlberg and Will Ferrell

Episode 154: Marg Helgenberger, Vanessa Anne Hudgens, John Stamos, Meryl Streep

Episode 155: Season 18, Episode 88

Episode 156: Bill O'Reilly, Donald Trump

Episode 157: Allen Carr, Corbin Bleu, Patricia Heaton

Episode 158: Joan Rivers, Melissa Rivers, Dr. Andrew Weil, Renée Zellweger

Episode 159: America Ferrara

Episode 160: Jill Hennessy, Keifer Sutherland

Episode 161: Paula Abdul

Episode 162: Rupert Everett, Diana Ross.

Episode 163: Jerry Rice

Episode 165: Ali Larter

Episode 166: Carmen Electra

Episode 167: Claudia Cohen, Jeremy Piven, Oscar Nominations

Episode 168: Jennifer Garner, Ryan Reynolds

Episode 169: Julianne Moore

Episode 170: Season 18, Episode 103

Episode 171: Sheryl Crow

Episode 172: Brad Garrett

Episode 173: Dylan McDermot, The New Miss America

Episode 174: Sienna Miller, Katharine McPhee

Episode 175: Jeff Probst; Charlize Theron.

Episode 176: "Wedding Week"; Tim Gunn

Episode 177: "Wedding Week"; Dr. Phil McGraw, Alex Rodriguez

Episode 178: "Wedding Week"; Ashley Tisdale

Episode 179: "Wedding Week";Tyler Perry, Carly Simon

Episode 180: "Wedding Week"

Episode 181: Hugh Grant; Hayden Panettiere

Episode 182: Drew Barrymore; Dr. Ruth Westheimer

Episode 183: Nicolas Cage; Katherine Heigl

Episode 184: Eva Mendes

Episode 185: Dr. Daniel Amen, Sam Champion, Martin Lawrence; Gabrielle Union

Episode 186: Marisa Tomei; bubble scientist Fan Yang

Episode 187: Heather Graham

Episode 188: Chris Byrne, William H. Macy

Episode 189: Richard Roeper, John Travolta

Episode 190: Jesse L. Martin; Geraldo Rivera, Billy Bob Thornton

Episode 191: Tim Allen; Masi Oka

Episode 192: David Boreanaz; Courteney Cox;

Episode 193: Emily Procter; Ryan Seacrest; Akon.

Episode 194: Jewel, Ellen Pompeo;

Episode 195: Paula DeAnda, Robert Downey Jr.;

Episode 196: Kelsey Grammer.

Episode 197: Peter Gros.

Episode 198: Jerry O'Connell, John Walsh

Episode 199: Julia Louis-Dreyfus.

Episode 200: Mark Consuelos

Episode 201: ...

Episode 202: Chris Rock.

Episode 203: Andy Richter.

Episode 204: Sandra Bullock, Jeff Goldblum, Robin Miller

Episode 205: Season 18, Episode 138

Episode 206: Christopher Meloni; Rainn Wilson.

Episode 207: Kirk Douglas; Bernie Mac; Elliott Yamin

Episode 208: Bucky Covington, Terrence Howard, Adam Sandler;

Episode 209: Josh Gracin, Jada Pinkett Smith

Episode 210: Neil Patrick Harris; Liv Tyler

Episode 211: Repeat Segments.

Episode 212: Repeat Segments

Episode 213: Repeat Segments.

Episode 214: Repeat Segments: Dustin Hoffman, John Ohurley,

Episode 215: Repeat Segments: Madonna, America Ferrera

Episode 216: Repeat Segments.

Episode 217: Repeat Segments.

Episode 218: Diana Ross

Episode 219: Repeat Segments.

Episode 220: Repeat Segments.

Episode 221: Shia LaBeouf; Martin Short; Auto Show Week.

Episode 222: Halle Berry; Robin Roberts; Pat Sajak; Auto Show Week.

Episode 223: David Duchovny, Tina Fey, Pat Sajak; Auto Show Week.

Episode 224: Edie Falco; Mary Lynn Rajskub; Pat Sajak. Auto Show Week.

Episode 225: Kevin Spacey; Pat Sajak, Andrew Zimmern. Auto Show Week.

Episode 226: Danny Seo

Episode 227: Jeff Probst; Sigourney Weaver,

Episode 228: Avril Lavigne, Jeff Probst; Diane Sawyer, Simran Sethi;

Episode 229: Adam Brody, Katie Brown, Anthony Hopkins; Jeff Probst;

Episode 230: Myra Goodman, Taylor Hicks, Garry Shandling; Donald Trump;

Episode 231: Bryant Gumbel, Julianne Moore,

Episode 232: Bryant Gumbel; Celebrity Look-Alikes.

Episode 233: Bryant Gumbel; Celebrity Look-Alikes.

Episode 234: Celebrity look-alikes.

Episode 235: Steve Austin; Celebrity Look Alikes.

Episode 236: American Idol Castoff.

Episode 237: Carmen Electra, Tobey Maguire, Ne-Yo,

Episode 238: Kirsten Dunst

Episode 239: Kate Walsh

Episode 240: Tori Amos

Episode 241: Howie Mandel; Zach Braff; Chris Richardson, Phil Stacey

Episode 242: Felicity Huffman; Amazing Race All Stars Winners

Episode 243: Kelly Clarkson, Jane Fonda;

Episode 244: Freddie Prinze Jr., Larry the Cable Guy

Episode 245: Season 24, Episode 85

Episode 246: Survivor Winner, American Idol Castoff.

Episode 247: Eric Dane; Milo Ventimiglia

Episode 248: Don Rickles, Rebecca Romijn

Episode 249: America Ferrera, Mike Myers;

Episode 250: Jimmy Kimmel; Tom Selleck; Nicollette Sheridan

Episode 251: Evangeline Lilly; Sendhil Ramamurthy; Gretchen Wilson

Episode 252: Tenney Flynn

Episode 253: John Stamos

Episode 254: Season 24, Episode 94

Episode 256: Season 18, Episode 256

Episode 257: Season 18, Episode 257

Episode 258: Season 18, Episode 258

Episode 259: aSeason 18, Episode 259

Episode 260: Season 18, Episode 260

Episode 262: Season 18, Episode 262

Episode 263: Season 18, Episode 263

Episode 264: Season 18, Episode 264

Episode 267: Season 18, Episode 267

Episode 268: Season 18, Episode 268

Episode 269: Season 18, Episode 269

Episode 270: Season 18, Episode 270

Episode 271: Season 18, Episode 271

Episode 272: Season 18, Episode 272

Episode 273: Season 18, Episode 273

Episode 274: Season 18, Episode 274

Episode 276: Season 18, Episode 276

Episode 277: Season 18, Episode 277

Episode 278: Season 18, Episode 278

Episode 279: Season 18, Episode 279

Episode 280: Season 18, Episode 280