Kathy Griffin, Sally Hawkins, Mike Birbiglia

Season 7 - Episode 1

Ron Howard, Jeffrey Dean Morgan, Gabe Dixon Band

Season 7 - Episode 2

Anne Hathaway, Jensen Ackles, Lenka

Season 7 - Episode 3

Michael Imperioli, Jason Mesnick, Zac Brown Band

Season 7 - Episode 4

Kiefer Sutherland, Malcolm Gladwell, David Cook

Season 7 - Episode 5

Mickey Rourke, Rowdy Roddy Piper, Michael Strahan, Morgan Murphy

Season 7 - Episode 6

Dustin Hoffman, jet pack pilot Eric Scott, Crooked X

Season 7 - Episode 7

Kevin James, Evan Rachel Wood, Delta Spirit

Season 7 - Episode 8

Sarah Silverman, Soulja Boy Tellem

Season 7 - Episode 9

Randy Jackson, Diablo Cody, Thriving Ivory

Season 7 - Episode 10

Brendan Fraser, Jonathan Goodwin, Blake Shelton

Season 7 - Episode 11

Tim Roth, Joan Rivers

Season 7 - Episode 12

Miranda Cosgrove, Eric McCormack, Boz Scaggs, Dov Davidoff

Season 7 - Episode 13

Adam Carolla, Brody Jenner, Disturbed

Season 7 - Episode 14

Andy Garcia, macaroni and cheese box collector Ian Golder, Kraak and Smaak

Season 7 - Episode 15

Kristen Bell, Carlos Bernard, Benji Hughes

Season 7 - Episode 16

John Cleese, Chris Ayres, the Bird and the Bee

Season 7 - Episode 17

Justin Long, Camilla Belle, Nick Kroll

Season 7 - Episode 18

Vanessa Minnillo, Morrissey

Season 7 - Episode 19

Teri Hatcher, Larry Wilmore, Jazmine Sullivan

Season 7 - Episode 20

Amy Brenneman, Steve-O, the Little Ones

Season 7 - Episode 21

Andy Dick, Grant Show, the Red Jumpsuit Apparatus

Season 7 - Episode 22

Demetri Martin, Marisa Tomei, Mishka, a special appearance by Matthew McConaughey

Season 7 - Episode 23

Johnny Knoxville, Trisha Helfer, Mark Seliger

Season 7 - Episode 24

Tyler Perry, Blues Traveler

Season 7 - Episode 25

Naomi Watts, Whitney Port, K'Naan

Season 7 - Episode 26

Rosie Perez, Danny McBride, Anya Marina

Season 7 - Episode 27

Dev Patel, Robin Roberts, Kinky

Season 7 - Episode 28

The Jonas Brothers, Jimmie Johnson, Darius Rucker

Season 7 - Episode 29

Don Rickles, Ben Sollee

Season 7 - Episode 30

Rob Lowe, Khloe Kardashian, Living Things

Season 7 - Episode 31

Calista Flockhart, John Michael Higgins, Nick DiPaolo

Season 7 - Episode 32

Evangeline Lilly, Jason Mesnick, New Kids on the Block

Season 7 - Episode 33

Charles Gibson, Lil' Wayne, Robyn

Season 7 - Episode 34

Bonnie Hunt, Nathan Fillion, Oren Lavie

Season 7 - Episode 35

Kate Walsh, Carla Gugino, Raphael Saadiq

Season 7 - Episode 36

Heidi Klum, Bryan Cranston, Chris Cornell

Season 7 - Episode 37

Jaime Pressly, animal trainer Kirstin McMillan, the Pretenders

Season 7 - Episode 38

David Hasselhoff, Eliza Dushku, Pendulum

Season 7 - Episode 39

Kristin Stewart, Dwayne Johnson, the Dream

Season 7 - Episode 40

"Dancing with the Stars" castoff Belinda Carlisle, Chandra Wilson, Streeter Seidell and Amir Blumenfeld, Young Dubliners

Season 7 - Episode 41

Andy Samberg, Ashley Scott, MSTRKRFT

Season 7 - Episode 42

John Cena, Christopher Mintz-Plasse, the Duke Spirit

Season 7 - Episode 43

Portia de Rossi, Melissa Rycroft, Motley Crue

Season 7 - Episode 44

"Dancing with the Stars" castoff Denise Richards, Zach Braff, Cheryl Hines, Charlie Wilson sits in with the band

Season 7 - Episode 45

John Stamos, Dr. Drew Pinsky, Blue October

Season 7 - Episode 46

Ozzy, Sharon, Jack and Kelly Osbourne, Bobby Cannavale, Todd Glass

Season 7 - Episode 47

Paul Giamatti, Jim Gaffigan, Keri Hilson featuring Lil Wayne

Season 7 - Episode 48

"Dancing with the Stars" castoffs Steve Wozniak and Holly Madison, Will Arnett, Michelle Rodriguez

Season 7 - Episode 49

Amy Poehler, Jordana Brewster, Les Claypool

Season 7 - Episode 50

Vin Diesel, Anna Faris, Eli Young Band

Season 7 - Episode 51

Ben Affleck, Lily Allen

Season 7 - Episode 52

Jorge Garcia, David Alan Grier, "Dancing with the Stars" castoff Steve-O, Mims

Season 7 - Episode 53

Christina Applegate, Mike Tyson, Dana Gould

Season 7 - Episode 54

Zac Efron, Patti Stanger, Franz Ferdinand

Season 7 - Episode 55

Six-year-old genius Pranav Veera, Pete Yorn

Season 7 - Episode 56

Billy Bob Thornton, "Dancing with the Stars" castoff Lawrence Taylor

Season 7 - Episode 57

Justin Timberlake, Eliza Coupe, the Whip

Season 7 - Episode 58

Channing Tatum, Elisha Cuthbert, Depeche Mode

Season 7 - Episode 59

Jamie Foxx, Elizabeth Mitchell

Season 7 - Episode 60

Michael J. Fox, "Dancing With the Stars" castoff Chuck Wicks, Asher Roth

Season 7 - Episode 61

Dominic Monaghan, J.J. Abrams, Bang Camaro

Season 7 - Episode 62

Brooke Shields, Balthazar Getty, Kumail Nanjiani

Season 7 - Episode 63

Matthew McConaughey, Kara DioGuardi, Jason Aldean

Season 7 - Episode 64

Zachary Quinto, "Dancing With the Stars" castoff Lil' Kim, 11-year-old Scrabble champions Andy Hoang and Erik Salgado

Season 7 - Episode 65

David Spade, Zoe Saldana, Black Eyed Peas

Season 7 - Episode 66

Hugh Jackman, John Cho, Flo Rida

Season 7 - Episode 67

Chris Pine, Aziz Ansari, Scott Weiland

Season 7 - Episode 68

Paula Abdul, "Dancing With the Stars" castoff Ty Murray, Todd Glass

Season 7 - Episode 69

Matthew Fox, Benjamin McKenzie, Ciara

Season 7 - Episode 70

Adrien Brody, Steve "Lips" Kudlow and Robb Reiner, the Airborne Toxic Event

Season 7 - Episode 71

Eminem, Mike Tyson

Season 7 - Episode 72

Ben Stiller, Shawn Johnson and Mark Ballas, No Doubt

Season 7 - Episode 73

Tim Daly, Common, Busta Rhymes

Season 7 - Episode 74

Hank Azaria, Anton Yelchin, Eminem

Season 7 - Episode 75

Danny McBride, Nia Vardalos, Taking Back Sunday

Season 7 - Episode 76

Heather Graham, Lance Krall, Katie Melua

Season 7 - Episode 77

Thomas Haden Church, Ed Helms, 311

Season 7 - Episode 78

Paris Hilton, Ken Jeong, Blink 182

Season 7 - Episode 79

Artie Lange, Adam Perry Lang, No Doubt

Season 7 - Episode 80

Ty Pennington, David Sedaris, the Jonas Brothers

Season 7 - Episode 81

Roseanne Barr, Ryan Kwanten

Season 7 - Episode 82

Kathy Griffin, Ramon Rodriguez, Ben Harper

Season 7 - Episode 83

Kobe Bryant, Derek Fisher

Season 7 - Episode 84

David Arquette, Jill Wagner, Linkin Park

Season 7 - Episode 85

Josh Duhamel, Tracy Hutson, Bat For Lashes

Season 7 - Episode 86

Shia LaBeouf, June Diane Raphael, Eric Hutchinson

Season 7 - Episode 87

Megan Fox, David Cross, Phoenix

Season 7 - Episode 88

Samuel L. Jackson, Jamie-Lynn Sigler, Sean Patrick McGraw

Season 7 - Episode 89

Larry King, Marissa Miller, Chester French

Season 7 - Episode 90

Josh Lucas, Terrell Owens, Pitbull

Season 7 - Episode 91

Teri Hatcher, Danica Patrick, Daughtry

Season 7 - Episode 92

Seth Green, "Bachelorette" Jillian Harris, Zac Sunderland

Season 7 - Episode 93

Zooey Deschanel, Rev. Al Sharpton, Jewel

Season 7 - Episode 94

Katherine Heigl, David and Shaun Cassidy, La Roux

Season 7 - Episode 95

Tom Arnold, "Trailer Park Boys" Rob Wells, John Paul Tremblay and Mike Smith

Season 7 - Episode 96

Leslie Mann, Eric Winter, Parachute

Season 7 - Episode 97

Jonah Hill, Mary McCormack, Ryan Sheckler

Season 7 - Episode 98

Seth Rogen, Melissa Sagemiller, Jack's Mannequin

Season 7 - Episode 99

Anne Heche, Aubrey Plaza, Diane Birch

Season 7 - Episode 100

Ashton Kutcher, Nigel Lythgoe, the Script

Season 7 - Episode 101

Vanessa Hudgens, Eli Roth, Miike Snow

Season 7 - Episode 102

Sienna Miller, Dave Salmoni, Doug Benson

Season 7 - Episode 103

Quentin Tarantino, Rachel Nichols, pizza throwers Chris Green, Sam Niemeier, and Ryan Larose

Season 7 - Episode 104

Gordon Ramsay, Rob Zombie, Friendly Fires

Season 7 - Episode 105

Robin Williams, Bobcat Goldthwait, Matt & Kim

Season 7 - Episode 106

Shaquille O'Neal, Selena Gomez, Darius Rucker

Season 7 - Episode 107

Dylan McDermott, B.J. Novak, the Dead Weather

Season 7 - Episode 108

Kyra Sedgwick, Patton Oswalt, DataRock

Season 7 - Episode 109

Emile Hirsch, Amber Valletta, St. Vincent

Season 7 - Episode 110

Kathie Lee Gifford, Milo Ventimiglia, R. Kelly

Season 7 - Episode 111

Gerard Butler, Nate Berkus, Maxwell

Season 7 - Episode 112

Jennifer Connelly, Jeff Ross, Boys Like Girls

Season 7 - Episode 113

Kathy Griffin, Ryan Kwanten, Brendan Benson

Season 7 - Episode 114

Nick Cannon, Former Gov. Rod Blagojevich, White Lies

Season 7 - Episode 115

Julie Bowen, Rumer Willis, the Used

Season 7 - Episode 116

Eva Longoria Parker, Kelly Clarkson, a special appearance by Matt Damon and Joel McHale

Season 7 - Episode 117

David Alan Grier, 10-year-old vacuum cleaner expert Gregory Evans, Pink

Season 7 - Episode 118

Jenna Elfman, Danny Pudi, Lives of Famous Men, a special appearance by Rachael Ray

Season 7 - Episode 119

Christian Slater, Ed O'Neill, Sofia Vergara, Shakira

Season 7 - Episode 120

David Duchovny, Carmelo Anthony, Kid Cudi

Season 7 - Episode 121

Courteney Cox, Jessica Capshaw, "Dancing with The Stars" castoff Ashley Hamilton

Season 7 - Episode 122

Rob Lowe, Lisa Lampanelli, pizza throwers Chris Green, Sam Niemeier and Ryan Larose, a special appearance by Tommy Lasorda

Season 7 - Episode 123

LeBron James & his high school basketball teammates, Esther Dean, Chris Bianco

Season 7 - Episode 124

Ricky Gervais, "Dancing with the Stars" castoff Kathy Ireland, Alice in Chains

Season 7 - Episode 125

Rebecca Romijn, Joseph Fiennes, Alice in Chains

Season 7 - Episode 126

Hayden Panettiere, Matthew Rhys, Joss Stone

Season 7 - Episode 127

Woody Harrelson, Whitney Port, Shinedown

Season 7 - Episode 128

Patricia Heaton, Debi Mazar, Tom DeLay, Gossip

Season 7 - Episode 129

Joel McHale, Richard Belzer, KISS

Season 7 - Episode 130

Kelsey Grammer, Stana Katic, Motorhead

Season 7 - Episode 131

Michael Moore, Malin Ackerman, the Backstreet Boys

Season 7 - Episode 132

Jack Black, “Dancing with the Stars” castoff Chuck Liddell, Cobra Starship

Season 7 - Episode 133

Jamie Foxx, Toby Keith

Season 7 - Episode 134

Taye Diggs, Kristin Cavallari, Harper Simon

Season 7 - Episode 135

Serena Williams, Dr. Drew Pinsky, Eric Church

Season 7 - Episode 136

Edward Norton, Paul Shaffer, the latest "Dancing with the Stars" castoff, the Sounds

Season 7 - Episode 137

Salma Hayek, Rico Rodriguez, Dead by Sunrise

Season 7 - Episode 138

John C. Reilly, Nene Leakes, Kim Zolciak, an archery demonstration by Randy Oitker, the Temper Trap

Season 7 - Episode 139

Terry Bradshaw, Catherine Keener, Echo & the Bunnymen

Season 7 - Episode 140

Dr. Mehmet Oz, “Dancing with the Stars” castoffs Melissa Joan Hart & Louie Vito, Morningwood

Season 7 - Episode 141

James Marsden, Atticus Shaffer, Flyleaf

Season 7 - Episode 142

Jason Schwartzman, Rod Stewart

Season 7 - Episode 143

Paris Hilton, Slipknot

Season 7 - Episode 144

Pamela Anderson, “Dancing with the Stars” castoffs Mark Dacascos & Michael Irvin, Manny “Pac-Man” Pacquiao, White Rabbits

Season 7 - Episode 145

Joshua Jackson, Big Bird, Ghostface Killah featuring Raheem DeVaughn

Season 7 - Episode 146

Jesse Williams, Florence + the Machine

Season 7 - Episode 147

Ted Danson, Khloe Kardashian, Lamar Odom, Chickenfoot

Season 7 - Episode 148

Chris O'Donnell, Bill Simmons, “Dancing with the Stars” castoff Aaron Carter, Amerie

Season 7 - Episode 149

Dominic Monaghan, Holly Hibner & Mary Kelly, Los Lonely Boys

Season 7 - Episode 150

Danny DeVito, Streeter Seidell & Amir Blumenfeld, Switchfoot

Season 7 - Episode 151

Sean “Diddy” Combs, Super Dave Osborne, Huey Lewis & the News

Season 7 - Episode 152

John Stamos, Emily VanCamp, the latest "Dancing with the Stars" castoff, OneRepublic

Season 7 - Episode 153

John Stamos, Emily VanCamp, "Dancing with the Stars" castoff Joanna Krupa, OneRepublic

50 Cent, Marv Albert

Season 7 - Episode 154

Carrie Underwood, Heidi Montag & Spencer Pratt

Season 7 - Episode 155

Robert Pattinson, Kristen Stewart, Taylor Lautner, Death Cab for Cutie

Season 7 - Episode 156

Robert Pattinson, Kristen Stewart, Taylor Lautner, Death Cab for Cutie

Heidi Klum, Ron Artest, Weezer

Season 7 - Episode 157

Charlize Theron, Regis Philbin, "Dancing with the Stars" winner Donny Osmond, Wolfmother

Season 7 - Episode 158

Charles Barkley, Peter Facinelli, Leona Lewis

Season 7 - Episode 159

Magic Johnson, Kellan Lutz, Trey Songz

Season 7 - Episode 160

Matt Dillon, Nikki Reed, Birdman featuring Jay Sean

Season 7 - Episode 161

Jake Gyllenhaal, Ashley Greene, Honor Society

Season 7 - Episode 162

Don Rickles, Anika Noni Rose, Band of Skulls

Season 7 - Episode 163

Pee-wee Herman, Jackie, Tito & Marlon Jackson, Passion Pit

Season 7 - Episode 164

William Shatner, animal trainer Kristin McMillan, Jay Sean

Season 7 - Episode 165

Steven Seagal, Eddie Pepitone

Season 7 - Episode 166

Ray Romano, Kim Kardashian, the Mighty Mighty Bosstones

Season 7 - Episode 167

Zach Braff, Nigel Lythgoe, Michael McDonald

Season 7 - Episode 168

Ty Pennington, 8-year-old Chicken Whisperer Joshua McCarthy, Norah Jones

Season 7 - Episode 169

Rachel McAdams, Johnny Galecki, Allison Iraheta

Season 7 - Episode 170

Actress Rachel McAdams (Sherlock Holmes), Actor Johnny Galecki (The Big Bang Theory), musical guest Allison Iraheta

John Krasinski, James Cameron, Mary J. Blige

Season 7 - Episode 171