S1 E1: Amy Poehler, Vice President Joe Biden, A Great Big World

S1 E2: Kanye West, Russell Wilson

S1 E3: Kelly Ripa, Robyn Doolittle, Brad Paisley

S1 E4: Lena Dunham, Anthony Mackie, John Mayer Trio

S1 E5: Ian McKellen, Patrick Stewart, Sophia Bush, Michael Che

S1 E6: Brian Williams, Naomi Campbell, The Hold Steady

S1 E7: Ralph Fiennes, Allison Williams, Mike Birbiglia

S1 E8: Ice-T & Coco Austin, Nick Kroll, Rick Ross

S1 E9: Martha Stewart, Lil' Jon

S1 E10: Kenan Thompson, Johnny Weir & Tara Lipinski, Sarah Lewis

S1 E11: Andy Samberg, Busy Philipps, Abbi Jacobson, Ilana Glazer

S1 E12: Rachel Maddow, Ike Barinholtz, Titanfall demo

S1 E13: Dr. Oz, Norman Reedus, American Authors

S1 E14: Tilda Swinton, Warren Buffett, Dan Gilbert, Carrie Brownstein, Lo-Fang

S1 E15: Christian Slater, Neil DeGrasse Tyson, Andy Daly

S1 E16: Anderson Cooper, Alessandra Ambrosio, Behati Prinsloo, Iggy Azalea

S1 E17: Jason Sudeikis, Kathryn Hahn, David Remnick

S1 E18: Wendy Williams, Lena Headey, Eugene Mirman

S1 E19: Greg Kinnear, Shailene Woodley, Band of Skulls

S1 E20: John Leguizamo, Zosia Mamet, Kostya Kennedy

S1 E21: Kathie Lee Gifford, Hoda Kotb, Kyle MacLachlan, Karmin

S1 E22: Kim Kardashian, Taran Killam, Arianna Huffington

S1 E23: Timothy Olyphant, Cristin Milioti, Bleachers

S1 E24: Jennifer Connelly, James Van Der Beek, Joe Mande

S1 E25: Kevin Bacon, Kevin Millar & Sean Casey, Katherine Schwarzenegger

S1 E26: Anna Kendrick, Nick Cannon, Brett Eldredge

S1 E27: Bob Costas, Steve Coogan, Martin & Chris Kratt, Kongos

S1 E28: Whoopi Goldberg, Judd Apatow, John Mulaney

S1 E29: Jeremy Piven, Mike Greenberg, Mike Golic, New Politics

S1 E30: Kristen Wiig, Colin Hanks, Mario Batali

S1 E31: Denis Leary, Thomas Middleditch, Fitz & the Tantrums

S1 E32: Edie Falco, Marlon Wayans, Nikki Glaser

S1 E33: Sen. John McCain, Billy Eichner, Jason Derulo

S1 E34: Sofia Vergara, Natalie Dormer, Jonah Keri

S1 E35: Anthony Bourdain, Colin Quinn, Paramore

S1 E36: Cameron Diaz, Leslie Mann, Ronan Farrow, Gary Gulman

S1 E37: Daniel Radcliffe, Jessica St. Clair, Lennon Parham, Twenty One Pilots

S1 E38: Matt Lauer, Savannah Guthrie, Matt Walsh, Bill Nye

S1 E39: Lucy Liu, Barney Frank, Parquet Courts

S1 E40: Kiefer Sutherland, Rose Byrne, Richard Ayoade

S1 E41: Mindy Kaling, Jenna Elfman, Young the Giant

S1 E42: Ellen Page, Lewis Black, Black Label Society

S1 E43: Sarah Jessica Parker, Anna Wintour, Rich Eisen, The 1975

S1 E44: Jon Hamm, Larry King, Misty Copeland, Ali Wong

S1 E45: Chris O'Dowd, Emma Roberts, M.I.A.

S1 E46: Will Forte, Michael Symon

S1 E47: Tina Fey, Matthew Rhys, The Wild Feathers

S1 E48: Maya Rudolph, Lake Bell, Eddie Izzard

S1 E49: Patrick Stewart, Adam Duritz, Counting Crows

S1 E50: James McAvoy, Wendi McLendon-Covey, Kumail Nanjiani

S1 E51: Jennifer Lawrence, Alan Cumming, Little Daylight

S1 E52: Hugh Jackman, Kevin Nealon, Ali Wong

S1 E53: Nick Offerman & Megan Mullally, Gilbert Gottfried, Kip Moore

S1 E54: Dennis Miller, Anna Chlumsky, Bastille

S1 E55: Dan Bakkedahl, Demi Lovato

S1 E56: Jonah Hill, Laura Dern, Nick Turner

S1 E57: Steve Buscemi, Jake Tapper, Sia

S1 E58: Charlie Rose & Gayle King, Aidy Bryant, Linda Fairstein

S1 E59: John Oliver, Natasha Lyonne, Paolo Nutini

S1 E60: Gerard Butler, Tony Shalhoub, Myq Kaplan

S1 E61: Wanda Sykes, Piper Perabo, Stromae

S1 E62: Robert Pattinson, Gabrielle Union, David Wain

S1 E63: Mike Myers, Shep Gordon, Whitney Cummings, Tove Lo

S1 E64: Al Roker, Jenny Slate, Paul Haggis

S1 E65: Brian Williams, Chrissy Teigen, Charli XCX

S1 E66: Andy Cohen, The Kratt Brothers, Jeff Koons

S1 E67: Taye Diggs, Andy Serkis, Neon Trees

S1 E68: Keri Russell, Kevin Millar & Sean Casey, Michelle Wolf

S1 E69: Kate McKinnon, Pete Rose, Betty Who

S1 E70: Anna Paquin, Marc Maron, Elizabeth Karmel

S1 E71: Regis Philbin, John Henson, Broods

S1 E72: Julie Bowen, Brett Ratner, Ben Kronberg

S1 E73: Zach Braff, Jack Antonoff, Bleachers

S1 E74: Kate Hudson, David Remnick

S1 E75: Ricky Gervais, Zac Posen, G-Eazy

S1 E76: Hank Azaria, Mary Lynn Rajskub, Brendan Gleeson

S1 E77: Carson Daly, Penn & Teller, Christina Perri

S1 E78: Maggie Gyllenhaal, Lee Pace, Scott Aukerman

S1 E79: Chris Pratt, Laverne Cox, Big Data & Joywave

S1 E80: Ethan Hawke, Megyn Kelly, Paula Pell

S1 E81: Joan Rivers, Josh Meyers, Rixton

S1 E82: Daniel Radcliffe, Neal Brennan, Morgan Spurlock

S1 E83: Clive Owen, Sarah Paulson, Chase Rice

S1 E84: Michael Fassbender, Allison Tolman, Joshua Ferris

S1 E85: Jeff Bridges, Riki Lindhome & Kate Micucci, Strand of Oaks

S1 E86: Meredith Vieira, Dane DeHaan, Magic Man

S1 E87: Mickey Rourke, Matthew Weiner, Roger Bennett & Michael Davies

S1 E88: Taylor Swift, Boy George, Derek Waters

S1 E89: Stephen Colbert, Amy Sedaris, Matthew Berry

S1 E90: Gwen Stefani, Andy Roddick, Counting Crows

S1 E91: Heidi Klum, Kieran Culkin, Leslie Jones

S1 E92: Luke Wilson, Max Greenfield, Banks

S1 E93: Jeff Goldblum, Hannibal Buress, Jeff Kluger

S1 E94: Connie Britton, Ben McKenzie, Vance Joy

S1 E95: Harry Connick Jr., Josh Charles, Nick Jonas

S1 E96: Bill Hader, Rep. Nancy Pelosi, Walk the Moon

S1 E97: Craig Ferguson, Octavia Spencer, James Ellroy

S1 E98: Tina Fey, Adam Pally, Grouplove

S1 E99: Julianna Margulies, Viggo Mortensen, Randy Liedtke