22x82 - Steve Carell, Dr. Cornel West

February 9, 2015

22x83 - Courtney Love, Chris Elliott, Rhiannon Giddens

February 10, 2015

22x84 - Bill Belichick, Elisabeth Moss, Madisen Ward and the Mama Bear

February 11, 2015

22x85 - Tom Hanks, Sturgill Simpson

February 12, 2015

22x86 - Bill Hader, Pat McGann, Shakey Graves

February 13, 2015

22x87 - Matthew Perry, Adam Scott, Kishi Bashi

February 16, 2015

22x88 - Dakota Johnson, David Tochinskiy, Twin Shadow

February 17, 2015

22x89 - Will Smith, Grizfolk

February 18, 2015

22x90 - Don Cheadle, Ilana Glazer & Abbi Jacobson, Mikky Ekko

February 19, 2015

22x91 - Kid Scientists, Sean Hayes, Judah & the Lion

February 20, 2015

22x92 - Helen Mirren, the 2015 Daytona 500 winner, Steve Earle

February 23, 2015

22x93 - Matthew Broderick, Ellie Kemper, JD McPherson

February 24, 2015

22x94 - Julianna Margulies, Eric Ripert, Glass Animals

February 25, 2015

22x95 - Kevin Spacey, Lily James, Alabama Shakes

March 9, 2015

22x96 - Patricia Arquette, Will Butler

March 10, 2015

22x97 - Kelsey Grammer, Stevie Wonder

March 11, 2015

22x98 - Lena Dunham, Bobby Cannavale, Andy Kim with Kevin Drew

March 12, 2015

22x99 - Kevin Bacon, Jimmie Walker, Airborne Toxic Event

March 13, 2015

22x100 - Shailene Woodley, Dr. Cornel West, Matthew E. White

March 16, 2015

22x101 - Will Ferrell, Glen Hansard

March 17, 2015

22x102 - Norm MacDonald, Theo James

March 18, 2015

22x103 - Ben Stiller, Tove Lo

March 23, 2015

22x104 - Bill O'Reilly, Aubrey Plaza

March 24, 2015

22x105 - James Franco, Jake Johannsen, Action Bronson

March 25, 2015

22x106 - Neil Patrick Harris, Charlie Cox, the Suffers

March 30, 2015

22x107 - David Duchovny, Josh Gad, Houndmouth

March 31, 2015

22x108 - Sen. Al Franken, Billy Eichner, David Sanborn

April 1, 2015

22x109 - Kelly Ripa, Aasif Mandvi, Fat White Family

April 2, 2015

22x110 - Mike Myers, Nick Griffin, Banks

April 3, 2015

22x111 - Sarah Jessica Parker, Julie Chen, Asleep at the Wheel

April 13, 2015

22x112 - Billy Crystal, Chris Russo, Chris Stapleton

April 14, 2015

22x113 - Michael J. Fox, Iron & Wine, Ben Bridwell

April 15, 2015

22x114 - Kevin James, Tom Dreesen, Tracy Chapman

April 16, 2015

22x115 - Alec Baldwin, John Mayer

April 17, 2015

22x116 - John Travolta, Amy Schumer, the Waterboys

April 20, 2015

22x117 - Piedmont Bird Callers, Paul Rudd

April 21, 2015

22x118 - Bruce Willis, Dawes

April 22, 2015

22x119 - Robert Downey Jr., Chris Russo, Elvis Costello

April 23, 2015

22x120 - Jerry Seinfeld, Jason Isbell & Amanda Shires

April 24, 2015

22x121 - Scarlett Johansson, John Mellencamp, Todd Rundgren

April 27, 2015

22x122 - Michael Keaton, Future Islands

April 28, 2015

22x123 - Jack Hanna, John Popper

April 29, 2015

22x124 - First Lady Michelle Obama Hootie and the Blowfish

April 30, 2015

22x125 - Steve Martin, Emmylou Harris, Rodney Crowell, Amos Lee, Ralph Stanley, Mark O'Connor

May 1, 2015

22x126 - President Barack Obama, Will Ferrell, the Avett Brothers, Brandi Carlile

May 4, 2015

22x127 - Reese Witherspoon, Nathan Lane, Mumford & Sons

May 5, 2015

22x128 - Martin Short, Norah Jones

May 6, 2015

22x129 - Tina Fey, First Aid Kit

May 7, 2015

22x130 - Ray Romano, Brian Regan, Dave Matthews Band

May 8, 2015

22x131 - Howard Stern, Don Rickles

May 11, 2015

22x133 - Julia Roberts, Paul Shaffer, Ryan Adams

May 13, 2015

22x134 - Al Pacino, George Clooney, Tom Waits

May 14, 2015

22x135 - Oprah Winfrey, Norm Macdonald

May 15, 2015

22x136 - Tom Hanks, Eddie Vedder

May 18, 2015

22x137 - Bill Murray, Bob Dylan

May 19, 2015

22x138 - The Final Late Show with David Letterman

May 20, 2015

6,028th broadcast

22x149 - Episode 149

May 20, 2015

The final episode includes surprises, memorable highlights and the last Top Ten List.