Season 4
episodes
1.Alice Eve, Mark Duplass, Wyatt Cenac, Dorothy
Sep 4, 201840m
2.Rob Corddry, Paula Abdul
Sep 5, 2018
3.Blake Griffin, Paul Feig, Demetri Martin
Sep 6, 2018
4.Cher, William H. Macy
Sep 7, 2018
5.Rob Lowe, Leighton Meester, Poppy
Sep 10, 2018
6.Joe Manganiello, Jennifer Love Hewitt, Why Don't We
Sep 11, 2018
7.Allison Brie, Keegan-Michael Key, Prof. Robert Winston
Sep 12, 2018
8.Mel B, Dr. Phil McGraw, Olivia Munn, Good Charlotte
Sep 13, 2018
9.Tracey Ullman, Henry Golding, Madison Beer
Sep 18, 2018
10.Kaley Cuoco, Joel McHale, Gaz Coombes
Sep 19, 2018
11.Joan Collins, Johnny Galecki, Badflower
Sep 20, 2018
12.Tiffany Haddish, Jay Hernandez, Tori Kelly
Sep 24, 2018
13.Rupert Everett, Rob Riggle, Ben Howard
Sep 25, 2018
14.Max Greenfield, Sophie Turner, Josh Groban
Sep 26, 2018
15.Damon Wayans Jr., Gina Rodriguez, Mark Normand
Sep 27, 2018
16.Chris Sullivan, Lil Rel Howery, Sabrina Carpenter
Oct 1, 2018
17.Riz Ahmed, Mary Elizabeth Winstead, Phosphorescent
Oct 2, 201840m
Actor Riz Ahmed (Venom (2018)); actress Mary Elizabeth Winstead (All About Nina (2018)); Phosphorescent perform.
18.Jeff Bridges, Jenny Slate, Arctic Monkeys
Oct 3, 2018
19.Beth Behrs, Taran Killam, Boy George
Oct 4, 2018
20.Jon Hamm, Judy Greer
Oct 15, 2018
21.Keira Knightley, Kathryn Hahn, Joe Zimmerman
Oct 16, 2018
22.Jamie Lee Curtis, Felix Mallard, Colin Macleod
Oct 17, 2018
23.Maya Rudolph, Nick Kroll, Rufus Wainwright
Oct 18, 2018
24.Dakota Johnson, Gordon Ramsay, Mike Posner
Oct 22, 2018
25.Jamie Dornan, Florence Welch, Florence + The Machine
Oct 23, 2018
26.Rosamund Pike, Zlatan Ibrahimovic, Snow Patrol
Oct 24, 2018
27.Amber Stevens West, Randall Park, Lenny Kravitz
Oct 25, 2018
28.Carey Mulligan, Jenna Fischer
Oct 29, 2018
29.Greg Kinnear, Katie Hill, Ariana Grande
Oct 30, 201839m
Actor Greg Kinnear ("House of Cards"); congressional candidate Katie Hill; singer/songwriter Ariana Grande;
30.Adam DeVine, Dan Stevens, KISS
Oct 31, 2018
31.Rami Malek, Joel Edgerton, Mike Shinoda, Barbra Streisand
Nov 1, 2018
32.Aaron Taylor-Johnson, Richard Madden, KISS, Snow Patrol
Nov 5, 2018
33.Busy Philipps, Noah Centineo, Derren Brown, Morrissey
Nov 7, 2018
34.Zoe Kazan, Jack Whitehall, Chloe x Halle
Nov 8, 2018
35.Octavia Spencer, Jesse Williams, Pentatonix
Nov 12, 2018
36.Justin Hartley, Dominic West, Elle King, Migos
Nov 13, 2018
37.Melissa McCarthy, Richard E. Grant, Mark Wahlberg, Ian Karmel
Nov 14, 2018
38.Maggie Gyllenhaal, Paul Dano, Diego Luna, Dylan Reynolds
Nov 15, 2018
39.Kurt Russell, Viggo Mortensen, Marc E. Bassy ft. G-Eazy
Nov 19, 2018
40.Eric Bana, Billie Lourd, Emily Heller
Nov 20, 2018
41.Michael B. Jordan, Linda Cardellini, Eddie Redmayne, Death Cab for Cutie
Nov 21, 2018
42.Michael Peña, Andy Serkis, Lauv & Julia Michaels
Nov 28, 2018
43.Kermit the Frog, Minka Kelly, Peter Krause, Sampha
Nov 29, 2018
44.Sara Gilbert, Jeff Goldblum
Dec 3, 2018
45.Zachary Levi, Jake Johnson
Dec 4, 2018
46.Jude Law, Steve Coogan, Sam Morril
Dec 5, 2018
47.Jennifer Aniston, Dolly Parton, Leon Bridges
Dec 6, 2018
48.Sean Hayes, Ice Cube
Dec 10, 2018
49.Ellen DeGeneres, Patrick Wilson
Dec 11, 2018
50.Gisele Bündchen, Janelle Monáe, Katherine Ryan
Dec 12, 2018
51.Julia Roberts, Jason Momoa, Yahya Abdul-Mateen II, She & Him
Dec 13, 2018
52.Armie Hammer, Amber Heard, Middle Kids, Cardi B
Dec 17, 2018
53.Pharrell Williams, Gwen Stefani, Lin-Manuel Miranda, Emily Blunt
Dec 18, 2018
54.Jennifer Lopez, Leah Remini, Black Eyed Peas
Dec 19, 2018
55.Will Ferrell, RuPaul Charles
Dec 20, 2018
56.KiKi Layne, John David Washington, Alec Benjamin
Jan 7, 2019
57.Ken Jeong, Brian Tyree Henry, H.E.R.
Jan 8, 2019
58.Amy Adams, Tyler Perry, Mekki Leeper
Jan 9, 201940m
James welcomes actress Amy Adams, actor Tyler Perry, and comic Mekki Leeper.
59.Cedric the Entertainer, Ashley Graham, Flatbush Zombies
Jan 10, 2019
60.Claire Foy, Andie MacDowell, Freya Ridings
Jan 14, 2019
61.Nina Dobrev, Terry Crews, Jack & Jack
Jan 15, 2019
62.Cobie Smulders, Sebastian Stan, Joel Kim Booster
Jan 16, 2019
63.Vanessa Hudgens, Andrew Rannells
Jan 17, 2019
64.Russell Wilson, Chris Pratt, Elizabeth Banks, Will Arnett
Jan 20, 2019
65.Stephen Curry, Regina King, Ron Funches, Lauren Jauregui
Jan 22, 2019
66.Sonequa Martin-Green, Pete Holmes, Rebecca Ferguson, Ava Max
Jan 23, 2019
67.Neil Patrick Harris, Chelsea Peretti, Adam Newman
Jan 24, 2019
68.Eric McCormack, Danielle Macdonald, Paige Weldon
Jan 28, 2019
69.Regina Hall, Eugene Levy, Charlie Day
Jan 29, 2019
70.Kevin Hart, Stephen James, Phosphorescent
Jan 30, 2019
71.Laura Dern, Alfonso Cuarón, Beck
Feb 4, 2019
72.Billy Crystal, Sarah Chalke, Buddy
Feb 5, 2019
73.Alicia Keys, Hailey Bieber, Joe List
Feb 6, 2019
74.Matt LeBlanc, Will Arnett, Broods
Feb 7, 2019
75.Kelsey Grammer, Jay Baruchel, Alessia Cara
Feb 11, 2019
76.Rebel Wilson, Priyanka Chopra Jonas, Justin Flom
Feb 12, 2019
77.Courteney Cox, Nick Kroll, Betty Who
Feb 13, 2019
78.Ray Romano, D'Arcy Carden, Lukas Graham
Feb 14, 2019
79.Mahershala Ali, Aaron Sorkin, Julia Michaels & Niall Horan
Feb 18, 2019
80.Elizabeth Warren, 50 Cent, TNT Boys
Feb 19, 2019
81.Kate Walsh, Stephen Merchant, Natalie Prass
Feb 20, 2019
82.Kal Penn, Chris O'Dowd, Adam Ferrara
Feb 21, 2019
83.Nick Jonas, Joe Jonas, Kevin Jonas, Lior Suchard
Mar 4, 2019
84.Isla Fisher, Chiwetel Ejiofor, Jonas Brothers
Mar 5, 2019
85.Allison Janney, Samuel L. Jackson, Jonas Brothers
Mar 6, 2019
86.Cole Sprouse, Dan Levy, Jonas Brothers
Mar 7, 2019
87.Rita Wilson, Kevin Nealon, Jason Mitchell
Mar 11, 2019
88.Gordon Ramsay, Piper Perabo, Elle King
Mar 12, 2019
89.Sharon Osbourne, Sam Richardson, Ryan Conner
Mar 13, 2019
90.Kate Beckinsale, Milo Ventimiglia, Better Oblivion Community Center
Mar 14, 2019
91.Adam Scott, Taron Egerton, Miles Kane
Mar 18, 2019
92.Ben Schwartz, Tim Roth, Leon Bridges
Mar 19, 2019
93.David Boreanaz, Cam Newton, Daddy Yankee
Mar 20, 2019
94.Max Greenfield, Maggie Siff
Mar 25, 2019
95.Kobe Bryant, Cara Delevingne, Tom Walker
Mar 26, 2019
96.Pamela Adlon, David Harbour, Wallows
Mar 27, 2019
Pamela Adlon; and David Harbour. Also: Wallows perform.
97.Rachel Bloom, Christopher Meloni, Rita Wilson
Apr 1, 2019
98.Zach Braff, Ben Platt
Apr 2, 2019
Zach Braff. Also: Ben Platt performs.
99.Colin Farrell, Woody Harrelson
Apr 3, 2019
100.Matthew McConaughey, Reba McEntire, Jimmy Buffett
Apr 4, 2019
101.Bill Hader, Anna Chlumsky, Ally Brooke, Tyga
Apr 8, 2019
102.Zoe Saldana, Jason Clarke, Kenny DeForest
Apr 9, 2019
103.Nikolaj Coster-Waldau, Sara Bareilles
Apr 10, 2019
104.Karlie Kloss, Max Minghella, Sean Paul + J Balvin
Apr 15, 2019
105.Rob Lowe, Elle Fanning, Blood Orange
Apr 16, 2019
106.Seth MacFarlane, Linda Cardellini, The 1975
Apr 17, 2019
107.Andrew Garfield, Lake Bell, BLACKPINK
Apr 18, 2019
108.Dax Shepard, Jodie Comer, Paul Rudd, Avril Lavigne
Apr 29, 2019
109.Topher Grace, Jason Schwartzman, Chad Daniels
Apr 30, 2019
110.Dr. Phil, Timothy Simons, Ashley Tisdale
May 1, 2019
111.Anna Faris, Kunal Nayyar, Shaggy
May 2, 2019
112.Charlize Theron, Seth Rogen, Lauren Jauregui
May 6, 2019
113.Chelsea Handler, Ginnifer Goodwin, Tom Odell
May 7, 2019
114.Christina Applegate, Kenneth Branagh, Rival Sons
May 8, 2019
115.Anne Hathaway, Rebel Wilson, Andy Sandford
May 9, 2019
116.Lisa Kudrow, Will Forte, Jason Sudeikis, Sarah Tollemache
May 13, 2019
117.Lily Collins, Charles Melton, NCT 127
May 14, 2019
118.Octavia Spencer, Henry Winkler
May 15, 2019
119.Halle Berry, Anjelica Huston, Allison Williams, Carly Rae Jepsen
May 16, 2019
120.Renée Zellweger, Ben Kingsley, Oliver Tree
May 20, 2019
121.Jessica Alba, Gabrielle Union, Josh Gondelman
May 21, 2019
Jessica Alba; and Gabrielle Union. Also: stand-up comedy from Josh Gondelman.
122.Elizabeth Banks, Bradley Whitford, David Tennant, Billy Ray Cyrus
May 22, 2019
123.Lucy Liu, James Marsden
May 23, 2019
124.Mark Hamill, Bradley Whitford, Lewis Capaldi
Jun 10, 2019
125.Mindy Kaling, Adam Scott, Lewis Capaldi
Jun 11, 2019
126.Tiffany Haddish, Don Cheadle, Keane
Jun 12, 2019
127.Tom Hanks, Gillian Anderson, David Blaine, Michelle Obama
Jun 17, 2019
128.Lily James, Millie Bobby Brown, Little Mix
Jun 18, 2019
129.Ian McKellen, Louis Tomlinson, Simon Pegg
Jun 19, 2019
130.Michael Sheen, Paul Giamatti, Mumford & Sons, Cast of X-Men Dark Phoenix
Jun 20, 2019
131.Paul Scheer, Stana Katic, The 1975
Jul 22, 2019
132.Eva Longoria, Thomas Lennon
Jul 23, 2019
133.Sutton Foster, Eddie Izzard, Dave Ross
Jul 24, 2019
134.Keegan-Michael Key, Terry Crews, Joshua Jay
Jul 25, 2019
135.Jeff Goldblum, Andie MacDowell, Bishop Briggs
Jul 29, 2019
136.John Legend, Mandy Moore, Hollywood Vampires
Jul 30, 2019
137.Patricia Arquette, Michael Peña, Freya Ridings
Jul 31, 2019
138.Jamie Bell, Margaret Qualley, Freya Ridings
Aug 1, 2019
139.Domhnall Gleeson, Pete Holmes, Aldis Hodge, Machine Gun Kelly, Yungblud
Aug 5, 2019
140.Melissa McCarthy, Elisabeth Moss, Jakob Dylan, Jade Castrinos
Aug 6, 2019
141.Joel McHale, Betty Gilpin
Aug 7, 2019
142.Ron Burgundy, Josh Gad, Michaela Watkins
Aug 8, 2019
143.Greg Kinnear, Judy Greer, Bazzi
Aug 12, 2019
144.RuPaul Charles, David Oyelowo, Alfie Allen
Aug 13, 2019
145.Anthony Anderson, Jared Harris, Smokey Robinson, Christian Finnegan
Aug 14, 2019
146.Michael Douglas, Nicole Byer
Aug 15, 2019