E1 - Christina Ricci, Mike 'The Situation' Sorrentino, Paul 'DJ Pauly D' DelVecchio, Vinny Guadagnino, Ronnie Ortiz-Magro, Mariachi El Bronx

Aired: January 03, 2012

E2 - Kelsey Grammer, Octavia Spencer, Lloyd

Aired: January 04, 2012

E3 - Tracy Morgan, Chris Paul, tUnE-yArDs

Aired: January 05, 2012

E4 - Don Cheadle, David Cross, Boyz II Men

Aired: January 06, 2012

E5 - Channing Tatum, Ben Flajnik, Uh Huh Her

Aired: January 09, 2012

E6 - Randy Jackson, Dermot Mulroney, Will Hoge

Aired: January 10, 2012

E7 - Woody Harrelson, Yvonne Strahovski, Rodney Atkins

Aired: January 11, 2012

E8 - Meryl Streep, Stephen Merchant, Kina Grannis

Aired: January 12, 2012

E9 - Katherine Heigl, Ne-Yo, Grouplove

Aired: January 17, 2012

E10 - Will Arnett, Madeleine Stowe, Dana Gould

Aired: January 18, 2012

E11 - Tom Arnold, Keke Palmer, Filter

Aired: January 19, 2012

E12 - Terrence Howard, Thomas Horn, Safetysuit

Aired: January 20, 2012

E13 - Kiefer Sutherland, Bear Grylls, Young the Giant

Aired: January 23, 2012

E14 - Elizabeth Banks, Ben McKenzie, Mindless Behavior

Aired: January 24, 2012

E15 - Cuba Gooding Jr., Sara Hyland, Big Freedia

Aired: January 25, 2012

E16 - Andre Agassi, J.B. Smoove, Seal

Aired: January 26, 2012

E17 - Kate Walsh, Marc Maron, Fishbone

Aired: January 30, 2012

E18 - Martin Scorsese, Kenneth Branagh, Angels and Airwaves

Aired: January 31, 2012

E19 - John Krasinski, Eloise Mumford, Gotye

Aired: February 01, 2012

Director Martin Scorsese ("Hugo"); Kenneth Branagh ("My Week With Marilyn"). Also: Angels & Airwaves perform.

E20 - Gary Oldman, Tim Heidecker & Eric Wareheim, Korn

Aired: February 02, 2012

E21 - Michelle Williams, Angela 'Big Ang' Raiola, Pitbull

Aired: February 06, 2012

E22 - Antonio Banderas, Damon Wayans Jr., 50 Cent

Aired: February 07, 2012

E23 - Nathan Fillion, Josh Hutcherson, Far East Movement

Aired: February 08, 2012

E24 - Courteney Cox, Mario Manningham & Ahmad Bradshaw, Tony Bennett

Aired: February 09, 2012

E25 - Jeff Goldblum, David Alan Grier, Lana Del Rey

Aired: February 13, 2012

E26 - John Goodman, Kevin Nealon, Robin Thicke

Aired: February 14, 2012

E27 - Sean 'Diddy' Combs, 'Science Bob' Pflugfelder, Miley Cyrus

Aired: February 15, 2012

E28 - Chris Pine, Khloe Kardashian Odom, Puscifer

Aired: February 16, 2012

E29 - Eric Stonestreet, Kate Upton, Jake Owen

Aired: February 21, 2012

E30 - Jessica Alba, Rep. Barney Frank, Nathan Myhrvold, Tower of Power

Aired: February 22, 2012

E31 - Joel McHale, Justin Theroux, Die Antwoord

Aired: February 23, 2012

E32 - After the Oscars Special

Aired: February 26, 2012

Oprah Winfrey; Musical Guest Coldplay

E33 - Steven Tyler, Harvey Weinstein, Melanie Fiona

Aired: February 27, 2012

E34 - Maria Menounos; Mat Kearney

Aired: February 28, 2012

“Dancing with the Stars” contestant Maria Menounos; musical guest Mat Kearney.

E35 - Ed Helms, Leslie Bibb, Wallpaper

Aired: February 29, 2012

E36 - Joan Rivers, Nicki Minaj

Aired: March 01, 2012

E37 - Dr. Phil McGraw; “The Bachelor” runner-up Lindzi Cox; Keane

Aired: March 12, 2012

E38 - Will Ferrell; actress Ellie Kemper; Allen Stone

Aired: March 13, 2012

Actor/comedian Will Ferrell; actress Ellie Kemper; music from Allen Stone.

E39 - Jonah Hill; Busy Philipps; The Crystal Method feat. Martha Reeves

Aired: March 14, 2012

E40 - Channing Tatum; actor Genesis Rodriguez

Aired: March 15, 2012

Actor Channing Tatum; actress Genesis Rodriguez.

E41 - Jessica Simpson; Gael García Bernal

Aired: March 19, 2012

Actress Jessica Simpson; actor Gael García Bernal.

E42 - Kristen Bell; actor Ice Cube; KISS performs

Aired: March 20, 2012

Actress Kristen Bell; actor/musician Ice Cube; musical guests KISS.

E43 - Don Rickles; Amanda de Cadenet; Dr. Teeth and the Electric Mayhem

Aired: March 21, 2012

E44 - Kristin Chenoweth; racecar driver Jimmie Johnson; Neon Trees

Aired: March 22, 2012

E45 - Zooey Deschanel; actor Steven Seagal; Shinedown

Aired: March 26, 2012

Actress Zooey Deschanel; actor Steven Seagal; musical guests Shinedown.

E46 - Ashton Kutcher and Justin Bieber; All-American Rejects

Aired: March 27, 2012

E47 - Adam Carolla; professional basketball player Kevin Durant; White Rabbits

Aired: March 28, 2012

E48 - Carson Daly; actress Kristen Schaal

Aired: March 29, 2012

E49 - Seann William Scott; actress Christa Miller; Eli Young Band

Aired: April 02, 2012

E50 - Edie Falco; Amy Schumer

Aired: April 03, 2012

E51 - Jason Biggs; Lionel Richie and Billy Currington

Aired: April 04, 2012

E52 - Anthony Davis; actress Lena Headey; NeedToBreathe

Aired: April 05, 2012

E53 - LL Cool J; actor James Van Der Beek; Josh Baze

Aired: April 09, 2012

E54 - David Spade; Slash feat. Myles Kennedy

Aired: April 10, 2012

E55 - Ashley Judd; director Bobcat Goldthwait; The Civil Wars

Aired: April 11, 2012

E56 - Danny McBride; actress Dianna Agron; The Shins

Aired: April 12, 2012

E57 - Zac Efron; actress Krysten Ritter; Noel Gallagher

Aired: April 16, 2012

E58 - Mark Harmon; Dancing With the Stars castoff; Ashanti performs

Aired: April 17, 2012

E59 - Jennifer Love Hewitt; Chef Georgia Pellegrini; Jason Mraz

Aired: April 18, 2012

E60 - Gabourey Sidibe; Morgan Spurlock; Kasabian

Aired: April 19, 2012

E61 - Julia Louis-Dreyfus; Andy Hoang & Erik Salgado; The Hives

Aired: April 23, 2012

Actress Julia Louis-Dreyfus; Scrabble champions Andy Hoang & Erik Salgado; musical guests The Hives.

E62 - John Cusack; Vintage Trouble

Aired: April 24, 2012

E63 - Sharon Osbourne; Max Greenfield; LP

Aired: April 25, 2012

E64 - Emily Blunt; Dave Salmoni; Adam Lambert

Aired: April 26, 2012

E65 - Vanessa Williams; Jonny Lee Miller; Andrew Bird

Aired: April 30, 2012

E66 - David Arquette; Civil Twilight

Aired: May 01, 2012

E67 - William H. Macy; Eva Green; Brad

Aired: May 02, 2012

E68 - Scarlett Johansson; Roger Daltrey

Aired: May 03, 2012

E69 - Kristen Stewart; Chloë Grace Moretz; B.o.B.

Aired: May 07, 2012

E70 - Johnny Depp; Casey Wilson; Silversun Pickups

Aired: May 08, 2012

E71 - Steve Harvey; Dev Patel; Glenn Frey

Aired: May 09, 2012

E72 - Dr. Phil McGraw; Carrie Underwood

Aired: May 10, 2012

E73 - Drew Carey; Rita Wilson

Aired: May 16, 2012

E74 - Matthew Morrison; Beth Stern; Delta Spirit

Aired: May 17, 2012

E75 - Kristin Bell; Dax Shepard; Jason Mantzoukas; The Cult

Aired: May 18, 2012

E76 - Kathy Griffin; Emily Maynard; Gavin DeGraw

Aired: May 21, 2012

E77 - Patricia Heaton; Nikolaj Coster-Waldau; Lisa Marie Presley

Aired: May 22, 2012

E78 - Josh Brolin; Bethenny Frankel; Kimbra

Aired: May 23, 2012

E79 - Charlize Theron; Manny Pacquiao; Graffiti6

Aired: May 24, 2012

E80 - Christina Ricci; Chef Adam Perry; fun.

Aired: June 04, 2012

E81 - Andy Samberg; Edward Sharpe and the Magnetic Zeros

Aired: June 05, 2012

Actor/comedian Andy Samberg; National Spelling Bee Champion Snigdha Nandipati; musical guests Edward Sharpe & The Magnetic Zeros.

E82 - Kim Kardashian, Kourtney Kardashian and Khloe Kardashian Odom; Adam Carolla; K'Naan

Aired: June 06, 2012

E83 - Edward Norton; Leighton Meester; Dead Sara

Aired: June 07, 2012

E84 - Martin Short; Cee Lo Green; Goodie Mob

Aired: June 12, 2012

E85 - Jada Pinkett Smith; Matt Kemp; The Temper Trap

Aired: June 14, 2012

E86 - Sally Field; Kevin Love; Waka Flocka Flame

Aired: June 19, 2012

E87 - Anderson Cooper; Scott Caan; Metric

Aired: June 21, 2012

E88 - Katy Perry; Alex Pettyfer; The Offspring

Aired: June 25, 2012

E89 - Louis C.K.; Zoe Kazan

Aired: June 26, 2012

E90 - Matt LeBlanc; Selma Blair; Linkin Park

Aired: June 27, 2012

E91 - Howie Mandel; Chris Bosh; Linkin Park

Aired: June 28, 2012

E92 - Paul Reubens; Dreama Walker; Marina and the Diamonds

Aired: July 09, 2012

E93 - Gary Oldman; Rob Riggle; The Dirty Heads

Aired: July 10, 2012

E94 - Wanda Sykes; Joel Kinnaman; Serj Tankian

Aired: July 11, 2012

E95 - Billy Crudup; Fred Willard; Grace Potter and the Nocturnals

Aired: July 12, 2012

E96 - Bryan Cranston; Larry King; Zac Brown Band

Aired: July 16, 2012

E97 - Russell Brand; Olivia Munn; Matisyahu

Aired: July 17, 2012

E98 - Kate Beckinsale; Chris Harrison; Rubblebucket

Aired: July 18, 2012

E99 - Charlie Sheen; Nicole 'Snooki' Polizzi; Huey Lewis & Joe Cocker

Aired: July 19, 2012

E100 - Ben Stiller; Emily Maynard; The Head and the Heart

Aired: July 23, 2012

E101 - Jeremy Renner; Aaron Paul; Nas

Aired: July 24, 2012

E102 - Colin Farrell; Rosemarie DeWitt; Trey Songz

Aired: July 25, 2012

E103 - Jessica Biel; Rick Ross

Aired: July 26, 2012

E104 - David Duchovny; Jeff Ross; Alabama Shakes

Aired: August 13, 2012

E105 - Joseph Gordon-Levitt; Rebel Wilson; Good Old War

Aired: August 14, 2012

E106 - Thomas Haden Church; Rick Bayless; JJAMZ

Aired: August 15, 2012

E107 - Jennifer Garner; Paul Scheer; The Fixx

Aired: August 16, 2012

E108 - Tom Arnold; Ashley Greene; The Wood Brothers

Aired: August 20, 2012

E109 - Gordon Ramsay; Jordin Sparks; Andy Grammer

Aired: August 21, 2012

E110 - Robert Pattinson; Rick & Corey Harrison; Poliça

Aired: August 22, 2012

E111 - Kyra Sedgwick; Nick Prueher & Joe Pickett; Josh Doyle

Aired: August 23, 2012

E112 - Jamie Foxx; Cat Deeley; Imagine Dragons

Aired: September 04, 2012

E113 - Bob Newhart; Kevin Hart; Miss Willie Brown

Aired: September 05, 2012

E114 - Matt Stone & Trey Parker; Adam Scott; Everclear

Aired: September 06, 2012

E115 - Lea Michele; Simon Bird; The Avett Brothers

Aired: September 10, 2012

E116 - Dr. Phil McGraw; Dakota Johnson; Rita Ora

Aired: September 11, 2012

E117 - Britney Spears & Simon Cowell; Slightly Stoopid

Aired: September 12, 2012

E118 - Terry Bradshaw; Dave Matthews

Aired: September 13, 2012

E119 - Matthew Perry; Josh Hamilton; Kreayshawn

Aired: September 17, 2012

E120 - Richard Gere; Josh Radnor

Aired: September 18, 2012

E121 - Julie Bowen; Nate Parker; The Afghan Whigs

Aired: September 19, 2012

E122 - Julianna Margulies; Jessie Tyler Ferguson; The Killers

Aired: September 24, 2012

E123 - Melanie Griffith; Kerry Washington; Alanis Morissette

Aired: September 25, 2012

E124 - Keanu Reeves; Ginnifer Goodwin; Green Day

Aired: September 26, 2012

E125 - Selena Gomez; Lenny Venito; Tony Bennett

Aired: September 27, 2012

E126 - Zooey Deschanel; Maggie Grace; Electric Approach

Aired: October 01, 2012

E127 - Ty Burrell; Chris Paul; Psy

Aired: October 02, 2012

E128 - Amy Poehler; Alan Arkin; Garbage

Aired: October 03, 2012

E129 - Zac Efron; Jack Black & Kyle Gass; Tenacious D

Aired: October 04, 2012

Zac Efron (The Paper Boy), Jack Black, Kyle Glass, Musical Guest Tenacious D

E130 - Ben Affleck; Demi Lovato; Ben Howard

Aired: October 08, 2012

Ben Affleck (Argo), Demi Lovato (X Factor), Musical Guest Ben Howard

E131 - Megan Mullally; Father John Misty

Aired: October 09, 2012

Megan Mullally (Smashed), Drew Lachey, Anna Trebunskaya, Helio Castroneves, Chelsie Hightower, Musical Guest Father John Misty

E132 - Will Arnett; Chris Elliott; Dwight Yoakam

Aired: October 10, 2012

Will Arnett (Up All Night), Chris Elliot (The Guy Under the Sheets: The Unauthorized Autobiography), Musical Guest Dwight Yoakam

E133 - Kevin James; Ezra Miller

Aired: October 11, 2012

Kevin James (Here Comes the Boom), Ezra Miller (The Perks of Being a Wallflower)

E134 - Aziz Ansari; Alana “Honey Boo Boo” Thompson & June “Mama” Shannon; Josh Turner

Aired: October 15, 2012

Aziz Ansari (Parks and Recreation), Alana "Honey Boo Boo" Thompson and June "Mama" Shannon (Here Comes Honey Boo Boo), Musical Guest Josh Turner

E135 - Don Rickles; Dancing with the Stars Castoff; Miguel

Aired: October 16, 2012

Don Rickles (Performing at the Taj Mahal in Atlantic City), Dancing with the Stars Castoff, Musical Guest Miguel

E136 - Joel McHale; Joe Walsh

Aired: October 17, 2012

Joel McHale (Community), Joe Walsh, Musical Guest Joe Walsh

E137 - Matthew Fox; Emily VanCamp; Paul Weller

Aired: October 18, 2012

Matthew Fox (Alex Cross), Emily VanCamp (Revenge), Musical Guest Paul Weller

E138 - Russell Peters; Prince

Aired: October 23, 2012

Jerry O'Connell, Russell Peters, Musical Guest Prince

E139 - Axl Rose; Ana Gasteyer; The Whigs

Aired: October 24, 2012

Axl Rose (The Guns and Roses Residency), Ana Gasteyer (Suburgatory), Musical Guest The Whigs

E140 - Michelle Obama; Halle Berry; Ciara

Aired: October 25, 2012

First Lady Michelle Obama, Halle Berry (Cloud Atlas), Musical Guest Ciara

E141 - Kelly Ripa; Alicia Keys

Aired: October 29, 2012

Kelly Ripa (Live with Kelly and Michael), Musical Guest Alicia Keys

E142 - Howard Stern; Tracy Morgan; Sharon Jones and the Dap-Kings

Aired: October 30, 2012

Howard Stern, Tracy Morgan, Musical Guest Sharon Jones & the Dap-Kings

E143 - David Letterman; Vampire Weekend

Aired: October 31, 2012

David Letterman ("Late Show with David Letterman"), Musical Guest Vampire Weekend.

E144 - Jon Stewart & Stephen Colbert; The Avett Brothers with the Brooklyn Philharmonic

Aired: November 01, 2012

Jon Stewart ("The Daily Show") & Stephen Colbert ("The Colbert Report"), Musical Guest The Avett Brothers with the Brooklyn Philharmonic.

E145 - Robert Pattinson; Chris Hardwick; Ben Folds Five

Aired: November 05, 2012

Robert Pattinson ("Twilight Saga: Breaking Dawn - Part 2"), Chris Hardwick ("Chris Hardwick: Mandroid"), Musical Guest Ben Folds Five.

E146 - John Goodman; Hayden Panettiere; Machine Gun Kelly

Aired: November 07, 2012

John Goodman ("Flight"), Hayden Penettiere ("Nashville"), Music Guest Machine Gun Kelly.

E147 - Kirstie Alley; Dave Salmoni; Tyler Bryant & The Shakedown

Aired: November 08, 2012

Kirstie Alley ("The Art of Men (I Prefer Mine Al Dente)"), Animal Trainer Dave Salmoni, Musical Guest Tyler Bryant & The Shakedown.

E148 - Daniel Craig; Stephenie Meyer; Boys Like Girls

Aired: November 09, 2012

Daniel Craig ("Sky Fall"), Stephenie Meyer ("Twilight Saga: Breaking Dawn - Part 2"), Musical Guest Boys Like Girls.

E149 - Jessica Lange; Adam Pally; Game feat. Tyga & Wiz Khalifa

Aired: November 12, 2012

Jessica Lange ("American Horry Story"), Adam Pally ("Happy Endings"), Musical Guest Game feat. Tyga & Wiz Khalifa.

E150 - Christina Applegate; Youngblood Hawk

Aired: November 13, 2012

Christina Applegate ("Up All Night"), "Dancing with the Stars" Castoffs, Musical Guest Youngblood Hawk.

E151 - Martin Short; Suraj Sharma; Ne-Yo

Aired: November 14, 2012

Martin Short, Suraj Sharma ("Life of Pi"), Musical Guest Ne-Yo.

E152 - Mel Brooks; Jake Tapper; Jason Aldean

Aired: November 15, 2012

Mel Brooks, Jake Tapper ("The Outpost: An Untold Story of American Valor"), Musical Guest Jason Aldean.

E153 - Eric Stonestreet; L.A. Reid; Aimee Mann & James Mercer

Aired: November 19, 2012

Eric Stonestreet ("Modern Family"), L.A. Reid ("X Factor"), Muiscal Guests Aimee Mann & James Mercer.

E154 - Two Dancing with the Stars Castoffs; Andy Allo

Aired: November 20, 2012

Andy Garcia ("A Dark Truth"), "Dancing with the Stars" Castoffs, Musical Guest Andy Allo.

E155 - Tim Allen; Manny Pacquiao; Flo Rida

Aired: November 21, 2012

Tim Allen ("Last Man Standing"), Manny Pacquiao, Musical Guest Flo Rida.

E156 - Ryan Seacrest; Erin Andrews; Soundgarden

Aired: November 26, 2012

Ryan Seacrest ("Dick Clark's New Year's Rockin' Eve with Ryan Seacrest 2013"), Erin Andrews (FOX's College Football Pregame Show), Musical Guest Soundgarden.

E157 - Reba McEntire; Mike Tyson; Youngblood Future

Aired: November 27, 2012

Reba McEntire ("Malibu Country"), Mike Tyson, Melissa Rycroft & Tony Dovolani ("Dancing with the Stars"), Musical Guest Future.

E158 - Eric Bana; Damian Lewis; Wiz Khalifa

Aired: November 28, 2012

Eric Bana ("Dead Fall"), Damian Lewis ("Homeland"), Musical Guest Wiz Khalifa.

E159 - Ted Danson; Emilia Clarke; Larry g(EE)

Aired: December 10, 2012

Ted Danson ("CSI: Crime Scene Investigation"), Emilia Clarke ("Game of Thrones"), Musical Guest Larry g(EE)

E160 - Leslie Mann; Ted; Sarah Jaffe

Aired: December 11, 2012

Leslie Mann ("This Is 40"), Seth MacFarlane as Ted ("Ted"), Musical Guest Sarah Jaffe

E161 - John Krasinski; Mike Birbiglia; Atlas Genius

Aired: December 12, 2012

John Krasinski ("Promised Land"), Mike Birbiglia ("Sleepwalk with Me"), Musical Guest Atlas Genius

E162 - Zachary Knighton; Dan Deacon

Aired: December 13, 2012

TV host Carson Daly; actor Zachary Knighton ("Happy Endings"); musical guest Dan Deacon

E163 - Hugh Jackman; Jenna Fischer; 2 Chainz

Aired: December 17, 2012

Hugh Jackman ("Les Misérables"), Jenna Fischer ("The Office"), Musical Guest 2 Chainz.

E164 - Samuel L Jackson; Jersey Shore cast; Ed Sheeran

Aired: December 18, 2012

Samuel L. Jackson ("Django Unchained"); the cast of "Jersey Shore": Snooki, JWoww, Pauly D., Vinny, Sami, Ronnie, Mike and Deena; Musical Guest Ed Sheeran

E165 - Eric Stonestreet; L.A. Reid; Aimee Mann and James Mercer

Aired: December 19, 2012

E166 - Jessica Lange; Adam Pally; Game featuring Tyga

Aired: December 20, 2012