Alice Eve, Mark Duplass, Wyatt Cenac, Dorothy

S04 E01 • Tuesday, Sep 4, 2018 • Sep 4 • 40m

Rob Corddry, Paula Abdul

S04 E02 • Wednesday, Sep 5, 2018 • Sep 5

Blake Griffin, Paul Feig, Demetri Martin

S04 E03 • Thursday, Sep 6, 2018 • Sep 6

Cher, William H. Macy

S04 E04 • Friday, Sep 7, 2018 • Sep 7

Rob Lowe, Leighton Meester, Poppy

S04 E05 • Monday, Sep 10, 2018 • Sep 10

Joe Manganiello, Jennifer Love Hewitt, Why Don't We

S04 E06 • Tuesday, Sep 11, 2018 • Sep 11

Allison Brie, Keegan-Michael Key, Prof. Robert Winston

S04 E07 • Wednesday, Sep 12, 2018 • Sep 12

Mel B, Dr. Phil McGraw, Olivia Munn, Good Charlotte

S04 E08 • Thursday, Sep 13, 2018 • Sep 13

Tracey Ullman, Henry Golding, Madison Beer

S04 E09 • Tuesday, Sep 18, 2018 • Sep 18

Kaley Cuoco, Joel McHale, Gaz Coombes

S04 E10 • Wednesday, Sep 19, 2018 • Sep 19

Joan Collins, Johnny Galecki, Badflower

S04 E11 • Thursday, Sep 20, 2018 • Sep 20

Tiffany Haddish, Jay Hernandez, Tori Kelly

S04 E12 • Monday, Sep 24, 2018 • Sep 24

Rupert Everett, Rob Riggle, Ben Howard

S04 E13 • Tuesday, Sep 25, 2018 • Sep 25

Max Greenfield, Sophie Turner, Josh Groban

S04 E14 • Wednesday, Sep 26, 2018 • Sep 26

Damon Wayans Jr., Gina Rodriguez, Mark Normand

S04 E15 • Thursday, Sep 27, 2018 • Sep 27

Chris Sullivan, Lil Rel Howery, Sabrina Carpenter

S04 E16 • Monday, Oct 1, 2018 • Oct 1

Riz Ahmed, Mary Elizabeth Winstead, Phosphorescent

S04 E17 • Tuesday, Oct 2, 2018 • Oct 2 • 40m

Actor Riz Ahmed (Venom (2018)); actress Mary Elizabeth Winstead (All About Nina (2018)); Phosphorescent perform.

Jeff Bridges, Jenny Slate, Arctic Monkeys

S04 E18 • Wednesday, Oct 3, 2018 • Oct 3

Beth Behrs, Taran Killam, Boy George

S04 E19 • Thursday, Oct 4, 2018 • Oct 4

Jon Hamm, Judy Greer

S04 E20 • Monday, Oct 15, 2018 • Oct 15

Keira Knightley, Kathryn Hahn, Joe Zimmerman

S04 E21 • Tuesday, Oct 16, 2018 • Oct 16

Jamie Lee Curtis, Felix Mallard, Colin Macleod

S04 E22 • Wednesday, Oct 17, 2018 • Oct 17

Maya Rudolph, Nick Kroll, Rufus Wainwright

S04 E23 • Thursday, Oct 18, 2018 • Oct 18

Dakota Johnson, Gordon Ramsay, Mike Posner

S04 E24 • Monday, Oct 22, 2018 • Oct 22

Jamie Dornan, Florence Welch, Florence + The Machine

S04 E25 • Tuesday, Oct 23, 2018 • Oct 23

Rosamund Pike, Zlatan Ibrahimovic, Snow Patrol

S04 E26 • Wednesday, Oct 24, 2018 • Oct 24

Amber Stevens West, Randall Park, Lenny Kravitz

S04 E27 • Thursday, Oct 25, 2018 • Oct 25

Carey Mulligan, Jenna Fischer

S04 E28 • Monday, Oct 29, 2018 • Oct 29

Greg Kinnear, Katie Hill, Ariana Grande

S04 E29 • Tuesday, Oct 30, 2018 • Oct 30 • 39m

Actor Greg Kinnear ("House of Cards"); congressional candidate Katie Hill; singer/songwriter Ariana Grande;

Adam DeVine, Dan Stevens, KISS

S04 E30 • Wednesday, Oct 31, 2018 • Oct 31

Rami Malek, Joel Edgerton, Mike Shinoda, Barbra Streisand

S04 E31 • Thursday, Nov 1, 2018 • Nov 1

Aaron Taylor-Johnson, Richard Madden, KISS, Snow Patrol

S04 E32 • Monday, Nov 5, 2018 • Nov 5

Busy Philipps, Noah Centineo, Derren Brown, Morrissey

S04 E33 • Wednesday, Nov 7, 2018 • Nov 7

Zoe Kazan, Jack Whitehall, Chloe x Halle

S04 E34 • Thursday, Nov 8, 2018 • Nov 8

Octavia Spencer, Jesse Williams, Pentatonix

S04 E35 • Monday, Nov 12, 2018 • Nov 12

Justin Hartley, Dominic West, Elle King, Migos

S04 E36 • Tuesday, Nov 13, 2018 • Nov 13

Melissa McCarthy, Richard E. Grant, Mark Wahlberg, Ian Karmel

S04 E37 • Wednesday, Nov 14, 2018 • Nov 14

Maggie Gyllenhaal, Paul Dano, Diego Luna, Dylan Reynolds

S04 E38 • Thursday, Nov 15, 2018 • Nov 15

Kurt Russell, Viggo Mortensen, Marc E. Bassy ft. G-Eazy

S04 E39 • Monday, Nov 19, 2018 • Nov 19

Eric Bana, Billie Lourd, Emily Heller

S04 E40 • Tuesday, Nov 20, 2018 • Nov 20

Michael B. Jordan, Linda Cardellini, Eddie Redmayne, Death Cab for Cutie

S04 E41 • Wednesday, Nov 21, 2018 • Nov 21

Michael Peña, Andy Serkis, Lauv & Julia Michaels

S04 E42 • Wednesday, Nov 28, 2018 • Nov 28

Kermit the Frog, Minka Kelly, Peter Krause, Sampha

S04 E43 • Thursday, Nov 29, 2018 • Nov 29

Sara Gilbert, Jeff Goldblum

S04 E44 • Monday, Dec 3, 2018 • Dec 3

Zachary Levi, Jake Johnson

S04 E45 • Tuesday, Dec 4, 2018 • Dec 4

Jude Law, Steve Coogan, Sam Morril

S04 E46 • Wednesday, Dec 5, 2018 • Dec 5

Jennifer Aniston, Dolly Parton, Leon Bridges

S04 E47 • Thursday, Dec 6, 2018 • Dec 6

Sean Hayes, Ice Cube

S04 E48 • Monday, Dec 10, 2018 • Dec 10

Ellen DeGeneres, Patrick Wilson

S04 E49 • Tuesday, Dec 11, 2018 • Dec 11

Gisele Bündchen, Janelle Monáe, Katherine Ryan

S04 E50 • Wednesday, Dec 12, 2018 • Dec 12