Season 4

Seth welcomes Ice T, Clark Gregg and Glass Animals.

A brand-new Late Night has James Spader, Jordana Brewster and The Cadillac Three.

Neil Patrick Harris, Omari Hardwick and James Blake pay Late Night a visit.

Seth chats with Chris Pratt and Ben Sinclair & Katja Blichfeld.

Seth welcomes Will Forte, Mandy Moore and David Ortiz.

Seth welcomes Samuel L. Jackson, Cecily Strong and Spike Feresten.

Seth welcomes January Jones, Mike Colter and Chris Lane.

Seth welcomes Justin Theroux, Tim Meadows and Naomi Ekperigin.

Seth welcomes Martha Stewart and Haley Bennett.

Seth welcomes Judge Judy Sheindlin, Kelly Clarkson and Tom Odell.

Seth welcomes Chelsea Clinton, Ted Danson and Bishop Briggs.

Seth welcomes Ashton Kutcher, Kevin Millar & Sean Casey and Chris Eliopoulos.

Seth welcomes Sarah Silverman and Jake Tapper.

Seth welcomes Lena Dunham and Nick Kroll & John Mulaney.

Seth welcomes Vice President Joe Biden, Dr. Jill Biden and Sturgill Simpson.

Seth welcomes Kevin Hart, Senator Al Franken and Secretary of Defense Ash Carter.

Seth welcomes Elijah Wood, Ana Gasteyer and Spencer Ludwig.

Seth welcomes Antonio Brown, Graydon Carter, Pete Davidson and Lucius.

Seth welcomes Kate Beckinsale and Colin Hanks

Seth welcomes Joel Edgerton, Evan Rachel Wood and Ina Garten.

Seth welcomes Nathan Lane, Genevieve Angelson and Matt Zoller Seitz & Alan Sepinwall.

Seth welcomes Common, Pamela Adlon and John Prine with Iris Dement.

Seth welcomes Christian Slater, Priyanka Chopra and Luke Bracey.

Seth welcomes Vince Vaughn, George Stephanopoulos and Liza Treyger.

Seth welcomes John Goodman, Andrew Rannells and The 1975.

Seth welcomes Wendy Williams, Chris Hayes and Lukas Graham.

Seth welcomes Lester Holt, Alia Shawkat and Jade Chang.

Seth welcomes Aaron Eckhart, Michelle Dockery and Margo Price.

Seth welcomes Billy Bob Thornton, Lily Collins and Sanjay Gupta.

Seth welcomes Kathy Bates, Laura Jane Grace and Against Me!

Seth welcomes Casey Affleck, Rebecca Romijn and Michael Che.

Seth welcomes Kathy Griffin, Dev Patel and José Andrés.

Seth welcomes Gayle King, Ben Platt and Dear Evan Hansen.

Seth welcomes Curtis "50 Cent" Jackson, Katy Tur and K.Flay.

Seth welcomes Josh Meyers and Hilary & Larry Meyers.

Seth welcomes Kate McKinnon, Benjamin Bratt and The Hold Steady.

Seth welcomes Shaquille O'Neal, Abbi Jacobson and Miranda Lambert.

Seth welcomes Michael Moore, Rita Ora and Kacey Musgraves.

Seth welcomes Taraji P. Henson, Lola Kirke and Bret Baier.

Seth welcomes Julie Chen, Billie Lourd and Maureen Dowd.

Seth welcomes Senator Bernie Sanders, Zoey Deutch and Dan Levy.

Seth welcomes Mindy Kaling, Eric McCormack and Joe Pera.

Seth welcomes Mariah Carey, Colin Quinn and Megadeth.

Seth welcomes Sarah Paulson, Taran Killam & Marc Andreyko and Tori Kelly.

Seth welcomes Michael Fassbender and David Remnick.

Seth welcomes Rachel Maddow and Kelly Osbourne.

Seth welcomes Matthew McConaughey, Mel B and Cameron Dallas.

Seth welcomes Jason Sudeikis, Michelle Monaghan and Van Jones.

Seth welcomes Ken Jeong, Kellyanne Conway and Mike Schur.

Seth welcomes Andrew Garfield, Mary Steenburgen and Colony House.

Seth welcomes Jude Law, Sullivan Stapleton and Action Bronson.

Seth welcomes Jake Tapper, BJ Novak and Steve Jones.

Seth welcomes Aidy Bryant, Patrick Warburton and Bibi Bourelly.

Seth welcomes Michael Keaton, Emily Deschanel and Neal Brennan.

Seth welcomes Jim Parsons, Ben McKenzie and Jon Favreau & Dan Pfeiffer.

Seth welcomes Idina Menzel, Melissa Benoist and Kane Brown.

Seth welcomes Andy Cohen, Retta and Ta-Nehisi Coates.

Seth welcomes Katie Couric, Bryce Dallas Howard and Matt Taibbi.

Seth welcomes Timothy Olyphant, Lili Reinhart & Camila Mendes and Nelly Furtado.

Seth welcomes John Malkovich, Corey Hawkins and Kings of Leon.

Seth welcomes Robert De Niro, Lauren Ash and Asa Butterfield.

Seth welcomes Dakota Johnson, Willie Geist and Paper Route.

Seth welcomes Leslie Mann, Jeff Perry and Alex Guarnaschelli.

Seth welcomes Tracee Ellis Ross, Dan Stevens and Electric Guest.

Seth welcomes Anderson Cooper, Reba McEntire and The Westminster Dogs.

Seth welcomes Ice Cube, Ruby Rose and Ty Segall.

Seth welcomes Drew Barrymore, Artie Lange and Viet Thanh Nguyen.

Seth welcomes John Oliver and Zosia Mamet.

Seth welcomes Shailene Woodley, Annaleigh Ashford, Evan McMullin.

Seth welcomes Damian Lewis, Adam Scott and Charlotte OC.

Seth welcomes Tracy Morgan, Malin Akerman and Bebe Rexha.

Seth welcomes Anna Kendrick, Jordan Peele and Old 97's.

Seth welcomes Gwen Stefani, Senator Kirsten Gillibrand and Tove Lo.

Seth welcomes Terry Crews, Leighton Meester and Dr. Ben Santer.

Seth welcomes Allison Williams, Paul Scheer & Rob Huebel and Paul Beatty.

Seth welcomes Matthew Broderick, David Boreanaz and Regina Spektor.

Seth welcomes Aubrey Plaza, Whoopi Goldberg & Dustin Lance Black and Reza Aslan.

No overview available for this episode.

Seth welcomes Jennifer Lopez and Sam Richardson & Tim Robinson.

Seth welcomes Glenn Close, Alex Karpovsky and Mohsin Hamid.

Seth welcomes Ewan McGregor, Zoë Kravitz and Jon Pardi.

Seth welcomes Keri Russell, Peter Krause and J.D. Vance.

Seth welcomes Mike Myers and Erin Gibson & Bryan Safi.

Seth welcomes Will Forte, Jay Bilas and Chris Hayes.

Seth welcomes Dax Shepard, Hannah Simone and Hey Violet.

Seth welcomes Kristen Bell, Bill Nighy and Aquilo.

Seth welcomes Jake Gyllenhaal, Whitney Cummings and Post Malone ft. Quavo.

Seth welcomes Craig Ferguson, Rachel Dratch and George Saunders.

Seth welcomes Scarlett Johansson, Joe Scarborough & Mika Brzezinski and Mario Batali.

Seth welcomes Morgan Freeman, Keeley Hawes, Mikaela Shiffrin and Bastille.

Seth welcomes Christine Baranski, Kristen Schaal and Big Thief.

Seth welcomes Chelsea Handler, Jake Johnson and Craig Finn.

Seth welcomes Ice T, Freida Pinto and Julio Torres.

Seth welcomes Rashida Jones, Andrew Rannells and Alan Dershowitz.

Seth welcomes Chris Evans, Mandy Patinkin and Michelle Branch.

Seth welcomes Jason Sudeikis, Andrea Martin and Jan Böhmermann.

Seth welcomes Caitlyn Jenner, Buzz Bissinger and Nick Frost.

Seth welcomes James Spader and John Mellencamp.

Seth welcomes Aidy Bryant, Ian McShane and RaeLynn.

Seth welcomes America Ferrera and Ike Barinholtz.

Seth welcomes Rachel Maddow, Beck Bennett and All Time Low.

Seth welcomes Chris Pratt, Beth Behrs and Shane Smith.

Seth welcomes Wanda Sykes, Chris Gethard and Devin Dawson.

Seth welcomes Cobie Smulders, Chris Meloni and Maggie Rogers.

Seth welcomes Danny DeVito, Kathryn Hahn and Cecile Richards.

Seth welcomes Sophia Bush, Zach Woods and Dan Mintz.

Seth welcomes Aziz Ansari, Jenna Dewan Tatum and LANY.

Seth welcomes Tracy Morgan, Michael McKean and Senator Ben Sasse.

Seth welcomes Jennifer Hudson, Horatio Sanz and David Mandel.

Seth welcomes Naomi Watts, Hank Azaria and BNQT.

Seth welcomes Jeffrey Tambor, Debra Messing and Michael Barbaro.

Seth welcomes Kyle Chandler, Michaela Watkins and the cast of Come From Away.

Seth welcomes Chris Pine and Senator John McCain.

Seth welcomes Kevin Spacey, Ellie Kemper and Tom Perez.

Seth welcomes Bryan Cranston, Alexandra Daddario and Jessica Seinfeld.

Seth welcomes Kevin Kline, Sharon Horgan and Cage the Elephant.

Seth welcomes Courtney Love, John Early and Chef Masa Takayama.

Seth welcomes Alan Alda, Mary Elizabeth Winstead and Desus & Mero.

Seth welcomes Joel Edgerton, Zoe Lister-Jones and Royal Blood.

Seth welcomes Elisabeth Moss, John Mulaney and Brett Eldredge.

Seth welcomes Kate McKinnon, Brian Tyree Henry and Janet Mock.

Seth welcomes Taylor Schilling, Jim O'Heir and Lizzy Goodman.

Seth welcomes Andy Cohen, Patty Jenkins and Rakesh Satyal.

Seth welcomes Kirsten Dunst, Jerrod Carmichael and Jeff Tweedy.

Seth welcomes Will Ferrell, Laverne Cox and Jeff Tweedy.

Seth welcomes Amy Poehler and Nicolle Wallace.

Seth welcomes Ice Cube, Kumail Nanjiani and Mayor Pete Buttigieg.

Seth welcomes Dave Franco, Ruth Negga and James Blunt.

Seth welcomes Tom Holland, Joy Behar and The Lumineers.

Seth welcomes Sean "Diddy" Combs, Hilary Duff and Edgar Wright.

Seth welcomes Lin-Manuel Miranda, Jason Mantzoukas and Martha Stewart.

Seth welcomes Maya Rudolph and Lorde.

Seth welcomes Patrick Stewart, Alison Brie and Attorney General Eric Schneiderman.

Seth welcomes Queen Latifah, Zoe Kazan and Dave Portnoy.

Seth welcomes Ricky Gervais, Abby Elliott and X Ambassadors.

Seth welcomes Charlize Theron, Jane Lynch and Aminé.

Seth welcomes Kelly Ripa, Fred Savage and Ahamed Weinberg.

Seth welcomes Jim Gaffigan, Andrea Mitchell and Fall Out Boy.

Seth welcomes Tyra Banks, Kyle Mooney and OneRepublic.

Seth welcomes Molly Shannon, Matthew Rhys and Bleachers.

Seth welcomes Idris Elba, Alexis Bledel and Michael Voltaggio.

Seth welcomes Rob Lowe and Brad Paisley.

Seth welcomes John Krasinski, Melissa Leo and Congressman Adam Schiff.

Seth welcomes Billy Eichner, Ashley Graham and The All-American Rejects.

Seth welcomes Eva Longoria, Max Greenfield and John Singleton

Seth welcomes Colin Jost & Michael Che and Brian Knappenberger.

Seth welcomes Howie Mandel, Senator Tammy Duckworth and Aaron Schatz.

Seth welcomes Kenan Thompson, Leah Remini and Bryan Fogel.

Seth welcomes Adam Driver, Marlon Wayans and Anthony Atamanuik.

Seth welcomes Bob Odenkirk and Brian Kelley & Tyler Hubbard.

Seth welcomes Michael Moore, Carrie Coon and Little Big Town.

Seth welcomes Jake Tapper, Gwendoline Christie and Gary Clark Jr.

Seth welcomes Trevor Noah and Maggie Gyllenhaal.

Seth welcomes Seth MacFarlane and Sheryl Crow.

Seth welcomes Danny McBride, Jill Kargman and Living Colour.

Seth welcomes Emma Roberts and Father John Misty.

Seth welcomes Jeffrey Tambor, Walton Goggins and Action Bronson.

Seth welcomes Jennifer Lawrence, Caitriona Balfe and Ezra Klein.

Seth welcomes Anderson Cooper, Gilbert Gottfried and Celeste Ng.

Seth welcomes Bobby Moynihan and Billie Jean King.

Seth welcomes Emma Stone, Kaitlin Olson and Blondie.

Seth welcomes Edie Falco, Jordan Klepper and Grace Coddington.