Jennifer Connelly (Shelter (2014)); director Judd Apatow. Also: Sydney Bennett and Matt Martians perform. ...

Viola Davis (How to Get Away with Murder (2014)); physicist Brian Greene. Also: George Ezra performs. ...

Viola Davis (How to Get Away with Murder (2014)); physicist Brian Greene. Also: George Ezra performs. ...

Comedian Aziz Ansari (Master of None (2015)); producer Shonda Rhimes; Bruce Campbell and Lucy Lawless (Ash vs Evil Dead (2015)). ...

Comedian Aziz Ansari (Master of None (2015)); producer Shonda Rhimes; Bruce Campbell and Lucy Lawless (Ash vs Evil Dead (2015)). ...

Ethan Hawke; Sen. Claire McCaskill (D-Mo.) and Sen. Amy Klobuchar (D-Minn.). Also: Nathaniel Rateliff and The Night Sweats perform. ...

Ethan Hawke; Sen. Claire McCaskill (D-Mo.) and Sen. Amy Klobuchar (D-Minn.). Also: Nathaniel Rateliff and The Night Sweats perform. ...

Whoopi Goldberg (The View (1997)); 2016 Republican presidential candidate Gov. John Kasich (R-Ohio). Also: Glen Hansard performs. ...

Whoopi Goldberg (The View (1997)); 2016 Republican presidential candidate Gov. John Kasich (R-Ohio). Also: Glen Hansard performs. ...

Bryan Cranston (Trumbo (2015)); author Karl Ove Knausgård. Also: Shamir performs. ...

Bryan Cranston (Trumbo (2015)); author Karl Ove Knausgård. Also: Shamir performs. ...

Daniel Craig (Spectre (2015)); author Elizabeth Gilbert; interview and demonstration with Dr. Eugenia Cheng. ...

Daniel Craig (Spectre (2015)); author Elizabeth Gilbert; interview and demonstration with Dr. Eugenia Cheng. ...

Antonio Banderas (The 33 (2015)); Netflix CEO Reed Hastings; author John Irving. ...

Antonio Banderas (The 33 (2015)); Netflix CEO Reed Hastings; author John Irving. ...

Allison Janney (Mom (2013)); comedian Colin Quinn (Trainwreck (2015)); comedian Margaret Cho (Tooken (2015)). ...

Allison Janney (Mom (2013)); comedian Colin Quinn (Trainwreck (2015)); comedian Margaret Cho (Tooken (2015)). ...

Seth MacFarlane performs and is interviewed. Also: astrophysicist Neil deGrasse Tyson. ...

Julianna Margulies (The Good Wife (2009)); author Jonathan Franzen. Also: Alabama Shakes perform. ...

Hillary Clinton; Anthony Bourdain; author Carrie Brownstein. Also: Lianne La Havas sits in with Jonathan Batiste and Stay Human. ...

Sienna Miller (Burnt (2015)); Melissa Benoist (Supergirl (2015)). Also: Chance the Rapper performs. ...

Jimmy Kimmel (Jimmy Kimmel Live! (2003)); Crimson Peak (2015) cast members Jessica Chastain, Tom Hiddleston and Mia Wasikowska, director Guillermo del Toro. Also: Beach H ...

Oprah Winfrey; Joseph Fink and Jeffrey Cranor, creators of the podcast Welcome to Night Vale. Also: Judith Hill performs. ...

Jack Black (Goosebumps (2015)); GoPro CEO Nick Woodman. Also: a performance by tap dancer Michelle Dorrance. ...

Sarah Silverman (Gravy (2015)); Elijah Wood (The Last Witch Hunter (2015)). Also: a performance from 'The Legend of Zelda: Symphony of the Goddesses'. ...

Carey Mulligan (The Walker (2015)); author Elvis Costello (book Unfaithful Music). Also: Darlene Love performs. ...

James Corden (The Late Late Show with James Corden (2015)); Vice Media CEO Shane Smith. Also: Halsey performs. ...

Cate Blanchett (Truth (2015)); Airbnb CEO Brian Chesky; Dartmonth College football dummy. ...

Gina Rodriguez (Jane the Virgin (2014)); economist Ben Bernanke. Also: Tame Impala perform. ...

Bill Clinton; comedian Billy Eichner (Parks and Recreation (2009) and Difficult People (2015)). Also: Florence and the Machine perform. ...

Sen. John McCain (R-Ariz.); cellist Yo-Yo Ma; a performance by ballerina Misty Copeland. ...

Morgan Freeman (Momentum (2015)); Ruth Wilson (The Affair (2014)); Hello Games co-founder Sean Murray. ...