2x97 - Mark Ruffalo, Alan Rickman, James Taylor

June 17, 2015

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

2x98 - Colin Farrell, Jason Schwartzman, Elmo

June 18, 2015

Actor Colin Farrell; actor Jason Schwartzman; Elmo.

2x99 - Vince Vaughn, Jim Gaffigan, Ryn Weaver

June 19, 2015

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

2x100 - Seth MacFarlane, Amber Heard, Leon Bridges

June 22, 2015

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

2x101 - Channing Tatum, Mo Rocca, X Ambassadors

June 23, 2015

Actor Channing Tatum; actor Mo Rocca; X Ambassadors performs.

2x102 - Arnold Schwarzenegger, Mike Birbiglia, Major Lazer

June 24, 2015

2x103 - Mark Wahlberg, Chris Colfer, Morrissey

June 25, 2015

2x104 - Benicio Del Toro, Taylor Kitsch, Penn & Teller

June 26, 2015

2x105 - Episode 105

March 26, 2015

Actor Alan Cumming; actress Carey Mulligan; Ludacris performs with The Roots.

2x106 - Episode 106

March 27, 2015

Actor Will Forte; musician Adam Horovitz; TV personality Jeremy Wade.

2x107 - Episode 107

March 30, 2015

Actress Helen Mirren; actor Oscar Isaac; Wale performs with The Roots.

2x108 - Episode 108

March 31, 2015

Actor Ethan Hawke; TV personalities Willie and Korie Robertson; Alt-J performs.

2x109 - Episode 109

April 1, 2015

Musician Pharrell; TV producers Roma Downey and Mark Burnett; Milky Chance performs.

2x110 - Episode 110

April 2, 2015

First lady Michelle Obama; actor Matthew Morrison; Smashing Pumpkins perform.

2x111 - Episode 111

April 3, 2015

Actor Ricky Gervais; actress Jordana Brewster; Elle King performs; Boz Scaggs sits in with The Roots.

2x112 - Episode 112

April 6, 2015

Actor Michael Douglas; actress Kat Dennings; St. Vincent performs.

2x113 - Episode 113

April 7, 2015

Actor Louis C.K.; actress Sophia Bush; Who Is Fancy performs.

2x114 - Episode 114

April 8, 2015

Actress Julia Louis-Dreyfus; actor Scott Eastwood; Flo Rida performs with The Roots.

2x115 - Episode 115

April 9, 2015

Actor Nikolaj Coster-Waldau; Madonna performs.

2x116 - Episode 116

April 10, 2015

Actor Kevin James; actress Vanessa Hudgens; illusionist Dan White.

2x117 - Episode 117

April 20, 2015

Actor LL Cool J; actress Rose Byrne; Big Sean performs.

2x118 - Episode 118

April 21, 2015

Actress Blake Lively; producer Brian Grazer; comic Nate Bargatze; Weird Al Yankovic performs with The Roots.

2x119 - Episode 119

April 22, 2015

Actor Russell Crowe; New Jersey Gov. Chris Christie (R); Kenny Chesney performs.

2x120 - Episode 120

April 23, 2015

Actor Chris Evans; comedy troupe Monty Python; LunchMoney Lewis performs with The Roots.

2x121 - Episode 121

April 24, 2015

Actor Chris Pratt; actress Elizabeth Olsen; "Fallonventions."

2x122 - Episode 122

April 27, 2015

Actor Robert Downey Jr.; author Fran Lebowitz; Zac Brown Band performs.

2x123 - Episode 123

April 28, 2015

Actor Jeremy Renner; actress Edie Falco; Tori Kelly performs.

2x124 - Episode 124

April 29, 2015

Actress Kristen Wiig; actor Thomas Middleditch; Josh Groban performs.

2x125 - Episode 125

April 30, 2015

Actress Scarlett Johansson; comic David Steinberg; Blur performs.

2x126 - Episode 126

May 1, 2015

Actress Helen Hunt; actor Jesse Eisenberg; My Morning Jacket performs.

2x127 - Episode 127

May 4, 2015

Actor Jack Black; TV personality Melissa Rivers; comic Jeff Garlin.

2x128 - Episode 128

May 5, 2015

Actress Sofia Vergara; actor James Marsden; Fetty Wap performs.

2x129 - Episode 129

May 6, 2015

Actress Kerry Washington; actor Jesse Tyler Ferguson; Noel Gallagher performs.

2x130 - Episode 130

May 7, 2015

Actress Jane Fonda; rapper Sean "Diddy" Combs; The Vaccines perform; Jeff Bradshaw performs with The Roots.

2x131 - Episode 131

May 8, 2015

U2 performs.

2x132 - Episode 132

May 11, 2015

Actress Charlize Theron; journalist Tom Brokaw; Death Cab for Cutie performs.

2x133 - Episode 133

May 12, 2015

Actress Anna Kendrick; actor Terry Crews; Nate Ruess performs with The Roots; Unlocking the Truth performs with The Roots.

2x134 - Episode 134

May 13, 2015

Actress Rebel Wilson; actress Rosie Huntington-Whiteley; Faith No More performs.

2x135 - Episode 135

May 14, 2015

TV show host Bill O'Reilly; Snoop Dogg performs with The Roots.

2x136 - Episode 136

May 15, 2015

Actress Queen Latifah; actor Sam Rockwell; a performance from "Something Rotten!"

2x137 - Episode 137

May 18, 2015

Actor Hugh Jackman; actor Nick Offerman; Janelle Monáe performs with The Roots.

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.

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

2x188 - August 19, 2015

August 19, 2015

Heidi Klum, David Oyelowo, Carly Rae Jepsen

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