2x138 - Episode 138

May 19, 2015

Actor Jamie Foxx; actress Carla Gugino; Jamie Foxx performs with Kid Ink.

2x139 - Richard Gere, Jessica Simpson, Keith Urban

September 8, 2015

2x140 - Episode 140

May 21, 2015

Actor Dwayne Johnson; Meghan Trainor performs with John Legend.

2x141 - Episode 141

May 22, 2015

Musician Sting; actor Kevin Connolly; scientist Kevin Delaney.

2x142 - Episode 142

June 1, 2015

Actress Melissa McCarthy; Ed Sheeran performs; Terence Blanchard performs with The Roots.

2x143 - Episode 143

June 2, 2015

Actor Jude Law; actress Bryce Dallas Howard; Florence and the Machine performs.

2x144 - Episode 144

June 3, 2015

Actor Jason Statham; actor Adrian Grenier; comic Elayne Boosler.

2x145 - Episode 145

June 4, 2015

Hillary Clinton, Dakota Johnson, Fetty Wap

2x146 - Episode 274

June 5, 2015

Actress Amanda Seyfried; actor Marlon Wayans; Jason Derulo performs with The Roots.

2x147 - Episode 147

June 8, 2015

Actors Larry David and Jason Alexander; actress Natasha Leggero; Alabama Shakes perform.

2x148 - Episode 148

June 9, 2015

Actor Denis Leary; actress Molly Shannon; Kacey Musgraves performs.

2x149 - Episode 149

June 10, 2015

TV host Whoopi Goldberg; actor Christian Slater; Of Monsters and Men perform.

2x150 - Episode 150

June 11, 2015

Actor David Spade; actress Jennette McCurdy; A Rocky performs with The Roots.

2x151 - Episode 151

June 12, 2015

Actress Lena Dunham; comic Colin Quinn.

2x152 - Episode 152

June 15, 2015

Actor Aziz Ansari; actress Taylor Schilling; Adam Lambert performs; Larry Campbell performs with The Roots.

2x153 - Episode 153

June 16, 2015

Actor Billy Crystal; Courtney Barnett performs.

2x154 - Episode 154

June 17, 2015

Actor Mark Ruffalo; actor Alan Rickman; James Taylor performs.

2x155 - Episode 155

June 18, 2015

Actor Colin Farrell; actor Jason Schwartzman; Elmo.

2x156 - Episode 156

June 19, 2015

Actor Vince Vaughn; comic Jim Gaffigan; Ryn Weaver performs.

2x157 - Episode 157

June 22, 2015

Actor Seth MacFarlane; actress Amber Heard; Leon Bridges performs.

2x158 - Episode 158

June 23, 2015

Actor Channing Tatum; actor David Oyelowo; X Ambassadors performs.

2x159 - Episode 159

June 24, 2015

Arnold Schwarzenegger, Mike Birbiglia, Major Lazer

2x160 - Episode 160

June 25, 2015

Mark Wahlberg, Chris Colfer, Morrissey

2x161 - Episode 161

July 13, 2015

Paul Rudd, Echosmith

2x162 - Episode 162

July 14, 2015

LeBron James, Tiny Fey & Amy Poehler, OMI

2x163 - Episode 163

July 15, 2015

Amy Schumer, Ian McKellen, Alan Jackson

2x164 - Episode 164

July 16, 2015

Bill Hader, Years & Years

2x165 - Episode 165

July 17, 2015

Ryan Seacrest, Trevor Noah, Tig Notaro

2x166 - Episode 166

July 20, 2015

Adam Sandler, Judd Apatow, Giorgio Mordoder

2x167 - Episode 167

July 21, 2015

Jake Gyllenhaal, Josh Gad, James Bay

2x168 - Episode 168

July 22, 2015

Norm Macdonald, JoAnna Garcia Swisher, Jeremih & Flo Rida

2x169 - Episode 169

July 23, 2015

Kate Holmes, David Wain & Michael Showalter, Sage the Gemini featuring Nick Jonas

2x170 - Episode 170

July 24, 2015

Rachel McAdams, Michael Pena, Robert Klein

2x171 - Episode 171

July 27, 2015

Tom Cruise, Dick Cavett, Ashley Monroe, Buddy Guy

2x172 - Episode 172

July 28, 2015

Danny DeVito, Simon Pegg, George Ezar, Donn

2x173 - Episode 173

July 29, 2015

Jason Segel, Amy Sedaris, Alessia Cara

2x174 - Episode 174

July 30, 2015

Ice-T, Bella Thorne, Ms. Lauryn Hill

2x175 - Episode 175

July 31, 2015

Kevin Bacon, Mel B, Russell Howard

2x176 - Episode 176

August 3, 2015

Meryl Streep, Jerrod Carmichael, Albert Hammond Jr.

2x177 - Episode 177

August 4, 2015

Don Rickles, Kate Mara, Penn & Teller

2x178 - Episode 178

August 5, 2015

Ice Cube, Mamie Gummer, Nathaniel Rateliff & the Night Sweats

2x179 - Episode 179

August 6, 2015

Salma Hayek, Tim Gunn, Christopher Cross

2x180 - Episode 180

August 7, 2015

Steve Buscemi, Taylor Kitsch, Jon Rineman

2x181 - August 10, 2015

August 10, 2015

Chris Meloni, Luke Bryan, Boney James

2x182 - August 11, 2015

August 11, 2015

Kristen Stewart, Jim Belushi, Yolanda Adams

2x183 - August 12, 2015

August 12, 2015

Ben Kingsley, Henry Cavill, Reba McEntire

2x184 - August 13, 2015

August 13, 2015

Paul Giamatti, Alicia Vikander, Robin Thicke

2x185 - August 14, 2015

August 14, 2015

Kevin Spacey, Keegan-Michael Key, Monroe Martin

2x186 - August 17, 2015

August 17, 2015

Zac Efron, Fran Lebowitz, Amazing Grace

2x187 - August 18, 2015

August 18, 2015

Taraji P. Henson, Edward Burns, Sam Hunt

2x189 - August 20, 2015

August 20, 2015

Rachel Maddow, Artie Lange, Michael McDonald & the Doobie Brothers

2x190 - August 21, 2015

August 21, 2015

Jason Schwartzman, Tatiana Maslaney, Dan White

2x191 - August 31, 2015

August 31, 2015

Gov. Chris Christie, Victoria Justice, Gark Clark Jr.

2x192 - September 1, 2015

September 1, 2015

Liev Schreiber, Elle Fanning, Vince Staples

2x193 - September 2, 2015

September 2, 2015

Justin Bieber, Salman Rushdie

2x194 - September 3, 2015

September 3, 2015

Jason Sudeikis, Bel Powley, Brad Paisley, Joe Bonamassa

2x195 - September 4, 2015

September 4, 2015

Steve Harvey, Alison Brie, Florida Georgia Line

2x196 - September 8, 2015

September 8, 2015

Richard Gere, Jessica Simpson, Keith Urban

2x197 - September 9, 2015

September 9, 2015

Justin Timberlake, Ellen DeGeneres, Macklemore & Ryan Lewis

2x198 - September 10, 2015

September 10, 2015

Andy Samberg, Carrie Underwood

2x199 - September 11, 2015

September 11, 2015

Donald Trump, Terrence Howard, Pharell Williams

2x200 - September 14, 2015

September 14, 2015

Benicio Del Toro, Jessica Alba, Miguel

2x201 - September 15, 2015

September 15, 2015

Robert De Niro, Ariana Grande, Duran Duran

2x202 - September 16, 2015

September 16, 2015

Hillary Clinton, Dakota Johnson

2x203 - September 17, 2015

September 17, 2015

Kaley Cuoco, Wesley Snipes, Chris Cornell

2x204 - September 18, 2015

September 18, 2015

Keith Richards, Emma Roberts, Kevin Delaney

2x205 - Ryan Reynolds, Carly Fiorina, Shawn Mendes

September 21, 2015

2x206 - September 22, 2015

September 22, 2015

Anne Hathaway, Anthony Anderson, A Great Big World

2x207 - September 23, 2015

September 23, 2015

James Spader, Andrew Rannells, Brian Regan

2x208 - September 24, 2015

September 24, 2015

Joseph Gordon-Levitt, Chris Hardwick, Big Grams, Mickey Dolenz

2x209 - September 25, 2015

September 25, 2015

Olivia Wilde, Fred Savage, Walk the Moon

2x210 - September 28, 2015

September 28, 2015

Rob Lowe, Kat Dennings, Beth Behrs, Hozier

2x211 - September 29, 2015

September 29, 2015

Julianne Moore, Mark-Paul Gosselaar, DNCE

2x212 - September 30, 2015

September 30, 2015

Julianna Marguiles, Andy Cohen, John Scofield

2x213 - October 1, 2015

October 1, 2015

Miley Cyrus, Sam Rockwell, Disclosure

2x214 - October 2, 2015

October 2, 2015

Seth Rogen, Victor Cruz, CHVRCHES

2x215 - October 5, 2015

October 5, 2015

Hugh Jackman, Shaquille O'Neal, Talib Kweli, Warren Haynes

2x216 - October 6, 2015

October 6, 2015

Lady Gaga, Ronda Rousey, Hailee Steinfeld

2x217 - Kate Winslet/Norman Reedus/Fallonventions

October 7, 2015

2x218 - Michael Fassbender/Brie Larson/CeeLo Green

October 8, 2015

2x219 - Jeff Daniels/Whoopi Goldberg/Nelly

October 9, 2015

2x220 - Clive Owen/Gabrielle Union/Neon Indian

October 12, 2015

2x221 - Michael Strahan/Eve Hewson/Charles Kelley ft. Dierks Bentley & Eric Paslay

October 13, 2015

2x222 - Vin Diesel/Selena Gomez

October 14, 2015