Stephen welcomes actor Jim Gaffigan and journalist Ann Curry.

Stephen welcomes democratic presidential hopeful Joe Biden and a musical performance by Pixies.

Stephen welcomes democratic presidential hopeful Pete Buttigieg and TV host Graham Norton.

Stephen welcomes former Secretary of State Condoleezza Rice, actor Bill Skarsgård, and a musical performance by BANKS.

Stephen welcomes actor Ansel Elgort and journalists Jodi Kantor & Megan Twohey.

Stephen welcomes actor James McAvoy, author Stephen King, and a musical performance by Vampire Weekend.

Stephen welcomes journalist Jake Tapper and screenwriter Jon Lovett.

Stephen welcomes actor Tom Hiddleston and talk show host Marie Osmond.

Stephen welcomes Senator Elizabeth Warren and actors Barry Williams, Maureen McCormick, Christopher Knight, Eve Plumb, Mike Lookinland & Susan Olsen (“The Brady Bunch”).

Stephen welcomes actor Billy Crystal and a musical performance by Thomas Rhett.

Stephen welcomes actress Taraji P. Henson, actor Aasif Mandvi, and comic Kevin Camia.

A recap of the best moments of Season 4.

Stephen welcomes singer-songwriter Paul McCartney.

Stephen welcomes talk show host Whoopi Goldberg and author Ta-Nehisi Coates.

Stephen welcomes actress Renée Zellweger and actor Walton Goggins.

Stephen welcomes Senator Bernie Sanders and a musical performance by Brittany Howard.

Stephen welcomes actress Patricia Heaton plus an interview with and musical performance by Tegan & Sara.

Stephen welcomes former Secretary of State Hillary Rodham Clinton & daughter Chelsea Clinton and a musical performance by Wilco.

Stephen welcomes TV host Rachel Maddow and musician Thom Yorke.

Stephen welcomes actor Rami Malek, TV director Jill Soloway, and comic Leah Bonnema.

Stephen welcomes an interview with and musical performance by Carrie Underwood, filmmaker Kevin Smith, and actor Jason Mewes.

Stephen welcomes actor Jon Hamm and professional baseball player Pete Alonso.

Stephen welcomes astrophysicist Neil deGrasse Tyson and former national security adviser Susan Rice.

Stephen welcomes actor Will Smith and actor Andrew Scott.

Stephen welcomes TV personality Jonathan Van Ness, actor Brett Gelman, a musical performance by Big Thief, and special appearances by Democratic presidential hopefuls Elizabeth Warren, Bernie Sanders & Pete Buttigieg.

Stephen welcomes comic John Oliver, actress Amy Sedaris, singer-songwriter Paul McCartney, and a musical performance by Big Thief.

Stephen welcomes actress Julie Andrews, actor Jonathan Groff, and a musical performance by YUNGBLUD ft. Dan Reynolds.

Stephen welcomes actor John Lithgow, actress Camila Mendes, and actress Julie Andrews.

Stephen welcomes journalist Ronan Farrow and actress Andrea Savage.

Stephen welcomes actor Steve Carell and a musical performance by Toby Keith.