# Title Aired
1 Christina Ricci; Mike “The Situation” Sorrentino, Paul “DJ Pauly D” DelVecchio, Vinny Guadagnino & Ronnie Ortiz-Magro; Mariachi El Bronx Jan 3rd, 2012
2 Kelsey Grammer; Octavia Spencer; Lloyd Jan 4th, 2012
3 Tracy Morgan; Chris Paul; tUnE-yArDs Jan 5th, 2012
4 Don Cheadle; David Cross; Boyz II Men Jan 6th, 2012
5 Channing Tatum; Ben Flajnik; Uh Huh Her Jan 9th, 2012
6 Randy Jackson; Dermot Mulroney; Will Hoge Jan 10th, 2012
7 Woody Harrelson; Yvonne Strahovski; Rodney Atkins Jan 11th, 2012
8 Meryl Streep; Stephen Merchant; Kina Grannis Jan 12th, 2012
9 Katherine Heigl; Ne-Yo; Grouplove Jan 17th, 2012
10 Will Arnett; Madeleine Stowe; Dana Gould Jan 18th, 2012
11 Tom Arnold; Keke Palmer; Filter Jan 19th, 2012
12 Terrence Howard; Thomas Horn; Safetysuit Jan 20th, 2012
13 Kiefer Sutherland; Bear Grylls; Young the Giant Jan 23rd, 2012
14 Elizabeth Banks; Ben McKenzie; Mindless Behavior Jan 24th, 2012
15 Cuba Gooding Jr.; Sara Hyland; Big Freedia Jan 25th, 2012
16 Andre Agassi; J.B. Smoove; Seal Jan 26th, 2012
17 Kate Walsh; Marc Maron; Fishbone Jan 30th, 2012
18 Martin Scorsese; Kenneth Branagh; Angels & Airwaves Jan 31st, 2012
19 John Krasinski; Eloise Mumford; Gotye Feb 1st, 2012
20 Gary Oldman; Tim & Eric; KoRn Feb 2nd, 2012
21 Michelle Williams; Angela “Big Ang” Raiola; Pitbull Feb 6th, 2012
22 Antonio Banderas; Damon Wayans Jr.; 50 Cent Feb 7th, 2012
23 Nathan Fillion; Josh Hutcherson; Far East Movement Feb 8th, 2012
24 Courteney Cox; Mario Manningham & Ahmad Bradshaw; Tony Bennett Feb 9th, 2012
25 Jeff Goldblum; David Alan Grier; Lana Del Rey Feb 13th, 2012
26 John Goodman; Kevin Nealon; Robin Thicke Feb 14th, 2012
27 Sean “Diddy” Combs; “Science Bob” Pflugfelder; Miley Cyrus Feb 15th, 2012
28 Chris Pine; Khloe Kardashian Odom; Puscifer Feb 16th, 2012
29 Eric Stonestreet; Kate Upton; Jake Owen Feb 21st, 2012
30 Jessica Alba; Rep. Barney Frank; Nathan Myhrvold; Tower of Power Feb 22nd, 2012
31 Joel McHale; Justin Theroux; Die Antwoord Feb 23rd, 2012
32 After the Oscars Special Feb 26th, 2012
33 Steven Tyler; Harvey Weinstein; Melanie Fiona Feb 27th, 2012
34 Maria Menounos; Mat Kearney Feb 28th, 2012
35 Ed Helms; Leslie Bibb; Wallpaper Feb 29th, 2012
36 Joan Rivers; Nicki Minaj Mar 1st, 2012
37 Dr. Phil McGraw; “The Bachelor” runner-up Lindzi Cox; Keane Mar 12th, 2012
38 Will Ferrell; Ellie Kemper; Allen Stone Mar 13th, 2012
39 Jonah Hill; Busy Philipps; The Crystal Method feat. Martha Reeves Mar 14th, 2012
40 Channing Tatum; Genesis Rodriguez Mar 15th, 2012
41 Jessica Simpson; Gael García Bernal Mar 19th, 2012
42 Kristen Bell; Ice Cube; KISS Mar 20th, 2012
43 Don Rickles; Amanda de Cadenet; Dr. Teeth and the Electric Mayhem Mar 21st, 2012
44 Kristin Chenoweth; racecar driver Jimmie Johnson; Neon Trees Mar 22nd, 2012
45 Zooey Deschanel; Steven Seagal; Shinedown Mar 26th, 2012
46 Ashton Kutcher; Justin Bieber; “Dancing with the Stars” castoff Martina Navratilova; All-American Rejects All-American Rejects Mar 27th, 2012
47 Adam Carolla; Kevin Durant; White Rabbits Mar 28th, 2012
48 Carson Daly; Kristen Schaal; Esperanza Spalding Mar 29th, 2012
49 Seann William Scott; Christa Miller; Eli Young Band Apr 2nd, 2012
50 Edie Falco; “Dancing with the Stars” castoff Jack Wagner; Amy Schumer Apr 3rd, 2012
51 Jason Biggs; Lionel Richie; Billy Currington Apr 4th, 2012
52 Anthony Davis; Lena Headey; NeedToBreathe Apr 5th, 2012
53 LL Cool J; James Van Der Beek; Josh Baze Apr 9th, 2012
54 David Spade; “Dancing with the Stars” castoff Sherri Shepherd; Slash feat. Myles Kennedy and the Conspirators Apr 10th, 2012
55 Ashley Judd; Bobcat Goldthwait; The Civil Wars Apr 11th, 2012
56 Danny McBride; Dianna Agron; The Shins Apr 12th, 2012
57 Zac Efron; Krysten Ritter; Noel Gallagher Apr 16th, 2012
58 Mark Harmon; “Dancing with the Stars” castoff Gavin DeGraw; Ashanti Apr 17th, 2012
59 Jennifer Love Hewitt; chef Georgia Pellegrini; Jason Mraz Apr 18th, 2012
60 Gabourey Sidibe; Morgan Spurlock; Kasabian Apr 19th, 2012
61 Julia Louis-Dreyfus; Scrabble champions; The Hives Apr 23rd, 2012
62 John Cusack; “Dancing with the Stars” castoff Gladys Knight; Vintage Trouble Apr 24th, 2012
63 Sharon Osbourne; Max Greenfield; LP Apr 25th, 2012
64 Emily Blunt; animal expert Dave Salmoni; Adam Lambert Apr 26th, 2012
65 Vanessa Williams; Jonny Lee Miller; Andrew Bird Apr 30th, 2012
66 David Arquette; “Dancing with the Stars” castoff Jaleel White; Civil Twilight May 1st, 2012
67 William H. Macy; Eva Green; Brad May 2nd, 2012
68 Scarlett Johansson; Roger Daltrey May 3rd, 2012
69 Kristen Stewart; Chloë Grace Moretz; B.o.B. May 7th, 2012
70 Johnny Depp; Casey Wilson; Silversun Pickups May 8th, 2012
71 Steve Harvey; Dev Patel; Glenn Frey May 9th, 2012
72 Dr. Phil McGraw; Carrie Underwood May 10th, 2012
73 Drew Carey; Rita Wilson May 16th, 2012
74 Matthew Morrison; Beth Ostrosky Stern; Delta Spirit May 17th, 2012
75 Kristin Bell & Dax Shepard; Jason Mantzoukas; The Cult May 18th, 2012
76 Kathy Griffin; Emily Maynard; Gavin DeGraw May 21st, 2012
77 “Dancing with the Stars” winner Donald Driver; Patricia Heaton; Nikolaj Coster-Waldau; Lisa Marie Presley May 22nd, 2012
78 Josh Brolin; Bethenny Frankel; Kimbra May 23rd, 2012
79 Charlize Theron; Manny Pacquiao; Graffiti6 May 24th, 2012
80 Christina Ricci; chef Adam Perry Lang; fun. Jun 4th, 2012
81 Andy Samberg; spelling bee champion; Edward Sharpe & The Magnetic Zeros Jun 5th, 2012
82 Kim, Kourtney & Khloe Kardashian; Adam Carolla; K'naan Jun 6th, 2012
83 Edward Norton; Leighton Meester; Dead Sara Jun 7th, 2012
84 Martin Short; CeeLo Green; Goodie Mob Jun 12th, 2012
85 Jada Pinkett Smith; Matt Kemp; The Temper Trap Jun 14th, 2012
86 Sally Field; Kevin Love; Waka Flocka Flame Jun 19th, 2012
87 Anderson Cooper; Scott Caan; Metric Jun 21st, 2012
88 Katy Perry; Alex Pettyfer; The Offspring Jun 25th, 2012
89 Louis C.K.; Zoe Kazan Jun 26th, 2012
90 Matt LeBlanc; Selma Blair; Linkin Park Jun 27th, 2012
91 Howie Mandel; Chris Bosh; Linkin Park Jun 28th, 2012
92 Paul Reubens; Dreama Walker; Marina and the Diamonds Jul 9th, 2012
93 Gary Oldman; Rob Riggle; The Dirty Heads Jul 10th, 2012
94 Wanda Sykes; Joel Kinnaman; Serj Tankian Jul 11th, 2012
95 Billy Crudup; Fred Willard; Grace Potter and the Nocturnals Jul 12th, 2012
96 Bryan Cranston; Larry King; Zac Brown Band Jul 16th, 2012
97 Russell Brand; Olivia Munn; Matisyahu Jul 17th, 2012
98 Kate Beckinsale; Chris Harrison; Rubblebucket Jul 18th, 2012
99 Charlie Sheen; Nicole “Snooki” Polizzi; Huey Lewis & Joe Cocker Jul 19th, 2012
100 Ben Stiller; “Bachelorette” Emily Maynard & Jef Holm; The Head and the Heart Jul 23rd, 2012
101 Jeremy Renner; Aaron Paul; Nas Jul 24th, 2012
102 Lisa Kudrow; Rosemarie DeWitt; Trey Songz Jul 25th, 2012
103 Jessica Biel; Adam Richman; Rick Ross Jul 26th, 2012
104 David Duchovny; Jeff Ross; Alabama Shakes Aug 13th, 2012
105 Joseph Gordon-Levitt; Rebel Wilson; Good Old War Aug 14th, 2012
106 Thomas Haden Church; Rick Bayless; JJAMZ Aug 15th, 2012
107 Jennifer Garner; Paul Scheer; The Fixx Aug 16th, 2012
108 Tom Arnold; Ashley Greene; The Wood Brothers Aug 20th, 2012
109 Gordon Ramsay; Jordin Sparks; Andy Grammer Aug 21st, 2012
110 Robert Pattinson; Rick & Corey Harrison; Poliça Aug 22nd, 2012
111 Kyra Sedgwick; Nick Prueher & Joe Pickett; Josh Doyle Aug 23rd, 2012
112 Jamie Foxx; Cat Deeley; Imagine Dragons Sep 4th, 2012
113 Bob Newhart; Kevin Hart; Miss Willie Brown Sep 5th, 2012
114 Matt Stone & Trey Parker; Adam Scott; Everclear Sep 6th, 2012
115 Lea Michele; Simon Bird; The Avett Brothers Sep 10th, 2012
116 Dr. Phil McGraw; Dakota Johnson; Rita Ora Sep 11th, 2012
117 Britney Spears & Simon Cowell; Slightly Stoopid Sep 12th, 2012
118 Terry Bradshaw; Dave Matthews Sep 13th, 2012
119 Matthew Perry; Josh Hamilton; Kreayshawn Sep 17th, 2012
120 Richard Gere; Josh Radnor; Monsters Calling Home Sep 18th, 2012
121 Julie Bowen; Nate Parker; The Afghan Whigs Sep 19th, 2012
122 Julianna Margulies; Jessie Tyler Ferguson; The Killers Sep 24th, 2012
123 Melanie Griffith; Kerry Washington; Alanis Morissette Sep 25th, 2012
124 Keanu Reeves; Ginnifer Goodwin; Green Day Sep 26th, 2012
125 Selena Gomez; Lenny Venito; Tony Bennett Sep 27th, 2012
126 Zooey Deschanel; Maggie Grace; Electric Approach Oct 1st, 2012
127 Ty Burrell; Chris Paul; Psy Oct 2nd, 2012
128 Amy Poehler; Alan Arkin; Garbage Oct 3rd, 2012
129 Zac Efron; Tenacious D Oct 4th, 2012
130 Ben Affleck; Demi Lovato; Ben Howard Oct 8th, 2012
131 Megan Mullally; “Dancing with the Stars” castoffs; Father John Misty Oct 9th, 2012
132 Will Arnett; Chris Elliott; Dwight Yoakam Oct 10th, 2012
133 Kevin James; Ezra Miller; Bloc Party Oct 11th, 2012
134 Aziz Ansari; Alana “Honey Boo Boo” Thompson & June “Mama” Shannon; Josh Turner Oct 15th, 2012
135 Don Rickles; “Dancing with the Stars” castoff Bristol Palin; Miguel Oct 16th, 2012
136 Joel McHale; Joe Walsh Oct 17th, 2012
137 Matthew Fox; Emily VanCamp; Paul Weller Oct 18th, 2012
138 Jerry O'Connell; Russell Peters; Prince Oct 23rd, 2012
139 Axl Rose; Ana Gasteyer; The Whigs Oct 24th, 2012
140 Michelle Obama; Halle Berry; Ciara Oct 25th, 2012
141 Kelly Ripa; Chris Rock; Alicia Keys Oct 29th, 2012
142 Howard Stern; Tracy Morgan; Sharon Jones and the Dap-Kings Oct 30th, 2012
143 David Letterman; Vampire Weekend Oct 31st, 2012
144 Jon Stewart & Stephen Colbert; The Avett Brothers with the Brooklyn Philharmonic Nov 1st, 2012
145 Robert Pattinson; Chris Hardwick; Ben Folds Five Nov 5th, 2012
146 John Goodman; Hayden Panettiere; Machine Gun Kelly Nov 7th, 2012
147 Kirstie Alley; Dave Salmoni; Tyler Bryant & The Shakedown Nov 8th, 2012
148 Daniel Craig; Stephenie Meyer; Boys Like Girls Nov 9th, 2012
149 Jessica Lange; Adam Pally; Game feat. Tyga & Wiz Khalifa Nov 12th, 2012
150 Christina Applegate; “Dancing with the Stars” castoffs; Youngblood Hawk Nov 13th, 2012
151 Martin Short; Suraj Sharma; Ne-Yo Nov 14th, 2012
152 Mel Brooks; Jake Tapper; Jason Aldean Nov 15th, 2012
153 Eric Stonestreet; Antonio “L.A.” Reid; Aimee Mann & James Mercer Nov 19th, 2012
154 Andy Garcia; “Dancing with the Stars” castoffs; Andy Allo Nov 20th, 2012
155 Tim Allen; Manny Pacquiao; Flo Rida Nov 21st, 2012
156 Ryan Seacrest; Erin Andrews; Soundgarden Nov 26th, 2012
157 Reba McEntire; Mike Tyson; “Dancing with the Stars” winner Melissa Rycroft; Youngblood Future Nov 27th, 2012
158 Eric Bana; Damian Lewis; Wiz Khalifa Nov 28th, 2012
159 Ted Danson; Emilia Clarke; Larry g(EE) Dec 10th, 2012
160 Leslie Mann; Ted; Sarah Jaffe Dec 11th, 2012
161 John Krasinski; Mike Birbiglia; Atlas Genius Dec 12th, 2012
162 Carson Daly; Zachary Knighton; Dan Deacon Dec 13th, 2012
163 Hugh Jackman; Jenna Fischer; 2 Chainz Dec 17th, 2012
164 Samuel L. Jackson; the cast of “Jersey Shore”; Ed Sheeran Dec 18th, 2012
165 (rerun) Dec 19th, 2012
166 (rerun) Dec 20th, 2012