S1 E1: Will Smith, U2

S1 E2: Jerry Seinfeld, Kristen Wiig, Lady Gaga

S1 E3: Bradley Cooper, Tim McGraw

S1 E4: Michelle Obama, Will Ferrell, Arcade Fire

S1 E5: Justin Timberlake

S1 E6: Reese Witherspoon, Fred Armisen, Rick Ross

S1 E7: Paul Rudd, Shaquille O'Neal

S1 E8: Drew Barrymore, Adam Sandler, Dierks Bentley

S1 E9: Denzel Washington, Shaun White, Sara Bareilles

S1 E10: Cameron Diaz, Ralph Fiennes, Mario Batali

S1 E11: Tina Fey, Randy Newman

S1 E12: Chelsea Handler, Lea Michele

S1 E13: Annette Bening, Norman Reedus, The Avett Brothers

S1 E14: Liam Neeson, Lindsay Lohan, Billy Eichner, Bad Things

S1 E15: Stephen Colbert, Keri Russell, Broken Bells

S1 E16: Kristen Bell, Steve Harvey, Demi Lovato

S1 E17: Tyler Perry, Billy Eichner, Juanes

S1 E18: Shailene Woodley, Artie Lange, Beck

S1 E19: Julianna Margulies, Patton Oswalt, Nate Bargatze

S1 E20: James Franco, Andy Cohen, Jake Bugg

S1 E21: James Spader, Kermit the Frog, Black 47

S1 E22: Lena Dunham, Hugh Dancy, Foster the People

S1 E23: Greg Kinnear, Emilia Clarke, Natasha Leggero

S1 E24: Billy Joel, Chelsea Clinton

S1 E25: Kevin Bacon, Jeff Musial, Ty Dolla $ign, Ann Wilson

S1 E26: Arnold Schwarzenegger, Carson Daly, Vampire Weekend

S1 E27: Jude Law, Shakira

S1 E28: Bill Cosby, Joby Ogwyn, Nathan East

S1 E29: Russell Crowe, Joan Rivers, The National

S1 E30: January Jones, Josh Holloway, Passenger

S1 E31: Chris Evans, Ricky Jay

S1 E32: Samuel L. Jackson, Minnie Driver, Pitbull

S1 E33: Denis Leary, Cat Deeley, Nickel Creek

S1 E34: Daniel Radcliffe, Cedric the Entertainer, Travie McCoy

S1 E35: Bill O'Reilly, Anthony Mackie, Sky Ferreira

S1 E36: Colin Firth, Chloë Grace Moretz, Nas featuring Q-Tip, John Oates

S1 E37: Anne Hathaway, Marlon Wayans, Yusuf Islam

S1 E38: Jennifer Garner, Dave Grohl, Krist Novoselic, Stevie Nicks

S1 E39: Kevin Costner, Danica McKellar, Alan Cumming and the Broadway cast of ‘Cabaret’, Philip Bailey

S1 E40: Nicolas Cage, Emily VanCamp, KISS

S1 E41: Brian Williams, Christina Hendricks, Ilan Hall

S1 E42: David Duchovny, John Oliver, Rita Ora

S1 E43: Cameron Diaz, Jim Gaffigan, Future featuring Pusha T

S1 E44: Dr. Phil McGraw, James Van Der Beek, Courtney Barnett, Steven Tyler & Joe Perry

S1 E45: Jamie Foxx, Alan Cumming, Alicia Keys & Kendrick Lamar

S1 E46: Emma Stone, Robinson Cano, Keith Urban

S1 E47: Diane Keaton, Dane DeHaan, David Byrne, Daley

S1 E48: David Spade, Sophia Bush, The Both

S1 E49: Andrew Garfield, Mary Lynn Rajskub, Chvrches

S1 E50: Kevin Spacey, Lewis Black

S1 E51: Bryan Cranston, Brie Larson, Kevin Delaney

S1 E52: Seth Rogen, Matt Bomer, Coldplay

S1 E53: Zac Efron, Guy Fieri, Sarah McLachlan

S1 E54: Michael Fassbender, Zoe Saldana

S1 E55: James McAvoy, Amy Schumer, tUnE-yArDs

S1 E56: Louis CK, Jack White, Neil Young

S1 E57: Dolly Parton, Taylor Kitsch

S1 E58: Maya Rudolph, Robert Duvall, Lily Allen

S1 E59: Jennifer Lawrence, Craig Robinson, Broadway cast of 'A Gentleman's Guide To Love and Murder'

S1 E60: Drew Barrymore, Giovanni Ribisi, Elbow

S1 E61: Liam Neeson, Terry Crews, Conor Oberst

S1 E62: Charlize Theron, Josh Hartnett

S1 E63: Hugh Jackman, Jimmy Page, Barry Gibb, winner of The Voice

S1 E64: Amanda Seyfried, Will Ferrell

S1 E65: Seth MacFarlane, Thandie Newton, Rascal Flatts

S1 E66: Ricky Gervais, Ansel Elgort, Miranda Lambert

S1 E67: Jonah Hill, Rahm Emanuel, Soundgarden

S1 E68: Tom Cruise, Kendall and Kylie Jenner, Chrissie Hynde

S1 E69: Mike Myers, Neil deGrasse Tyson, Damon Albarn

S1 E70: Channing Tatum, Joshua Topolsky, Julian McCullough

S1 E71: Clint Eastwood, Jack White

S1 E72: Jim Carrey, Jeff Daniels, Taylor Schilling, Ed Sheeran

S1 E73: Barbara Walters, Mama June & Honey Boo Boo, Iliza Shlesinger

S1 E74: Chris Rock, Kacey Musgraves

S1 E75: Dave Chappelle, Body Count

S1 E76: Jennifer Lopez, Keenen Ivory Wayans

S1 E77: Kevin Hart, Jimmy Buffett

S1 E78: Rosario Dawson, Jeff Musial, Fun.

S1 E79: George Lopez, Pitbull

S1 E80: Kiefer Sutherland, Nicole Richie; Crosby, Stills & Nash

S1 E81: Halle Berry, Chris Colfer, Florida Georgia Line

S1 E82: Kelly Ripa, Jason Clarke, Sylvan Esso

S1 E83: Dana Carvey, Hailee Steinfeld, Magic!

S1 E84: Liev Schrieber, Rob Reiner, Gabriel Iglesias

S1 E85: Michael Strahan, Diane Kruger, Phish

S1 E86: Cameron Diaz, Josh Gad, Bleachers

S1 E87: Whoopi Goldberg, Stephen Moyer, Puss N Boots

S1 E88: John Lithgow, Miranda Kerr, Jason Mraz

S1 E89: Dan Aykroyd

S1 E90: Kate Hudson, Ellar Coltrane, Nico & Vinz

S1 E91: Dwayne Johnson, Mel B, Chronixx

S1 E92: Robin Wright, Josh Charles, Weezer

S1 E93: Morgan Freeman, Kesha, Tweedy

S1 E94: Jon Hamm, Brit Marling, Martha Stewart

S1 E95: James Franco, Chadwick Boseman, Jenny Lewis

S1 E96: Vin Diesel, Aubrey Plaza, Will.i.am

S1 E97: Heidi Klum, Mike Birbiglia, Temples

S1 E98: Julia Roberts, Andy Cohen, Ron Funches

S1 E99: Martin Lawrence, Jenny Slate, Aloe Blacc

S1 E100: Helen Mirren, James Cameron, Spoon

S1 E101: Clive Owen, Nina Dobrev, The Head & the Heart

S1 E102: Megan Fox, Nick Cannon, Wiz Khalifa

S1 E103: Will Arnett, T.I.

S1 E104: Jeff Bridges, Ali Larter, Andy Woodhull

S1 E105: Katie Holmes, Chris Hardwick, OneRepublic

S1 E106: Mickey Rourke, Rob Riggle, Kings of Leon

S1 E107: Taylor Swift, Andrew Rannells, Ryan Adams

S1 E108: Sylvester Stallone, Eve Hewson, winner of 'Last Comic Standing'

S1 E109: Jason Statham, Demi Lovato, David Chang

S1 E110: Bill Cosby, Tiger Woods, Rory McIlroy, Royksopp & Robyn

S1 E111: Pierce Brosnan, Tavi Gevinson, The Madden Brothers

S1 E112: Jared Leto, Amy Brenneman, Thirty Seconds To Mars, Tom Bailey

S1 E113: Josh Brolin, Artie Lange, Giada De Laurentiis

S1 E114: Ethan Hawke, Amy Sedaris, The Secret Sisters

S1 E115: Adam Levine, Meredith Vieira, Maroon 5

S1 E116: Blake Shelton, Tim Heidecker & Eric Wareheim

S1 E117: Larry David, Gisele Bündchen, Jeezy ft. Future

S1 E118: Claire Danes, Mo'ne Davis, Fences ft. Macklemore

S1 E119: Jason Segel, Steve Harvey, Alicia Keys

S1 E120: Keith Richards, Debra Messing

S1 E121: Hugh Jackman, Nick Offerman, Luke Bryan

S1 E122: Jessica Chastain, Jeffrey Tambor, Chris Brown

S1 E123: Glenn Close, Justin Long

S1 E124: Barbra Streisand

S1 E125: Julianna Margulies, Jerry Lewis, Public Enemy

S1 E126: Liam Neeson, Terry Gilliam

S1 E127: Billy Crystal, Rose Byrne, Chef Nobu Matsuhisa

S1 E128: James Spader

S1 E129: Sofia Vergara, Megan Boone, The Black Keys

S1 E130: Kerry Washington, Carson Daly, Julian Casablancas + The Voidz

S1 E131: Andy Samberg, Kevin Durant, Kenny Chesney

S1 E132: Chris Pratt, Rosamund Pike

S1 E133: Matthew Broderick & Nathan Lane, Robert Plant

S1 E134: Ben Affleck, Kate Walsh

S1 E135: Tyler Perry, Miles Teller, Lucinda Williams

S1 E136: Jennifer Garner, John Mulaney, Lady Antebellum

S1 E137: Derek Jeter, James Marsden, 5 Seconds of Summer

S1 E138: Emma Thompson, Dane Cook

S1 E139: Jeremy Renner, Carol Burnett, Mario Batali, Joe Perry

S1 E140: Kristen Stewart, Artie Lange, Jason Aldean, Nas

S1 E141: Robert Downey Jr., Ira Glass, Big & Rich

S1 E142: Steve Carell, Julianne Hough, Philip Selway featuring the Dap-Kings

S1 E143: Jada Pinkett Smith, Nick Kroll, Bobby Shmurda

S1 E144: Zach Galifianakis, Casey Wilson

S1 E145: Emma Stone, Logan Lerman, Sam Smith

S1 E146: Shailene Woodley, Michael Shannon, Eric Church, Lenny Pickett

S1 E147: Sting, Jason Schwartzman, a performance from The Last Ship

S1 E148: Bradley Cooper, Neil Diamond

S1 E149: Ewan McGregor, Charles Barkley, Wilco, Herbie Hancock

S1 E150: Daniel Radcliffe, Mike Tyson, Sturgill Simpson

S1 E151: Jake Gyllenhaal, Paul Reubens, She & Him, George Clinton

S1 E152: Gordon Ramsay, Little Big Town

S1 E153: Kevin Spacey, Olivia Munn, Kenny & Keith Lucas

S1 E154: Anne Hathaway, Gael Garcia Bernal, Stevie Nicks

S1 E155: Savannah Guthrie, Matt Lauer, Felicity Jones, FKA Twigs

S1 E156: Bette Midler, Jim Gaffigan

S1 E157: Matthew McConaughey, Beth Behrs, Tove Lo

S1 E158: Jay Leno, Lucy Liu, Kevin Delaney, Dave Davies

S1 E159: Jeff Daniels, Mackenzie Foy, the New Basement Tapes

S1 E160: Drew Barrymore, the Farrelly Brothers, Johnny Marr

S1 E161: Channing Tatum, Eddie Redmayne, Logic

S1 E162: Josh Hutcherson, Tracey Ullman, Echosmith

S1 E163: Liam Hemsworth, Katherine Heigl, Sebastian Maniscalco, Kool & the Gang

S1 E164: Benedict Cumberbatch, Allison Williams, U2

S1 E165: Russell Brand, Brooke Shields, U2

S1 E166: Jon Stewart, Stephen Merchant, U2

S1 E167: Mark Ruffalo, Anthony Kiedis, U2

S1 E168: Julianne Moore, Michael Cera, U2

S1 E169: Tim Allen, will.i.am, Dej Loaf

S1 E170: Bill O'Reilly, Lorde

S1 E171: Christopher Walken, Nick Jonas, Iggy Azalea

S1 E172: Garth Brooks, Rashida Jones

S1 E173: Episode 173

S1 E175: Episode 175

S1 E176: Episode 176

S1 E177: Episode 177

S1 E178: Episode 178

S1 E179: Episode 179

S1 E180: Episode 180

S1 E181: Episode 181

S1 E182: Episode 182

S1 E183: Episode 183

S1 E184: Episode 184

S1 E185: Episode 185

S1 E186: Episode 186

S1 E187: Episode 187

S1 E188: Episode 188

S1 E189: Episode 189

S1 E190: Episode 190

S1 E191: Episode 191

S1 E192: Episode 192