Season 13

January 7, 2015

January 8, 2015

January 13, 2015

Jessica Chastain, Patricia Arquette, Childish Gambino

January 14, 2015

Kaley Cuoco-Sweeting, Omar Epps, Steel Panther

January 15, 2015

Johnny Depp, Marion Cotillard, Kandace Springs

January 19, 2015

Danny DeVito, Abbi Jacobson, Ilana Glazer, Bad Suns

January 20, 2015

Eric Stonestreet, Stephen Amell, Logic

January 21, 2015

Ewan McGregor, Lea Michele, Tess Henley

January 22, 2015

Edward Norton, Al Michaels, The Decemberists

January 26, 2015

Channing Tatum, J.J. Watt, ZZ Top

January 27, 2015

Kevin Costner, Eddie Redmayne, Jamie Cullum

January 28, 2015

David Beckham, Elle Macpherson, Vance Joy

January 29, 2015

Kerry Washington, Dave Salmoni, Ne-Yo

February 2, 2015

Guests Rob Gronkowski, Eva Longoria. Weezer and ZZ Top perform as WeeZ Top on the inaugural "Mash Up Mondays"

February 3, 2015

Mila Kunis, Bob Odenkirk, Charli XCX

February 4, 2015

Lauren Cohan, Interview and Music from Jeff Bridges

February 5, 2015

Magic Johnson, Scott Foley, Magic!

February 9, 2015

Bill O'Reilly, Kelly Osbourne, Morris Day & The Time with Haim

February 10, 2015

Anna Faris, Jeff Van Gundy & Mark Jackson, Annie Lennox

February 11, 2015

David Spade, Randall Park, The Band Perry

February 12, 2015

Keira Knightley, Tony Goldwyn, Incubus

February 16, 2015

Benedict Cumberbatch, Stana Katic, Chris Soules, Aloe Blacc & Blackstreet

February 17, 2015

Kristen Bell, Chris Elliott, Big Sean

February 18, 2015

Neil Patrick Harris, Gillian Jacobs, Rascal Flatts

February 19, 2015

Kelly Ripa, Joshua Malina, Gorgon City feat. Jennifer Hudson

February 23, 2015

Kobe Bryant, Kenny G & Warren G

February 25, 2015

Will Smith, Elizabeth Henstridge, Sam Hunt

February 26, 2015

Viola Davis, Richard Madden, Common

March 3, 2015

Starring Bridgit Mendler (NBC's Undateable); comedian Beth Stelling and Chef Gordon Ramsay who tested Jimmy's palate by giving him a blind taste test.

March 4, 2015

Vince Vaughn, Mike Tyson

March 5, 2015

Naomi Watts, Reggie Miller, Carly Rae Jepsen

March 9, 2015

Bette Midler, the next Bachelorette, Afghan Whigs

March 10, 2015

Jennifer Lopez, Keith Urban, Harry Connick Jr., Ryan Seacrest (American Idol (2002)); Eric André (Man Seeking Woman (2015)); Keith Urban performs.

March 11, 2015

Liam Neeson, Octavia Spencer, AWOLNATION

March 12, 2015

President Barack Obama; Sean Penn (The Gunman (2015)). Also: "Earth Wind and Fire" perform.

March 16, 2015

Kevin Hart, Brad Paisley

March 17, 2015

Julia Louis-Dreyfus, Robert Rodriguez, Spoon

March 18, 2015

Tony Romo, James Bay

March 19, 2015

Bill Murray, The cast of The Walking Dead

March 20, 2015

Kanye West, Willie Nelson

December 9, 2014

Comic Kathy Griffin; sports broadcasters Chris Fowler and Kirk Herbstreit; Priory performs.

March 26, 2015

Zooey Deschanel, Guillermo Diaz, Charlie Wilson

March 30, 2015

Vin Diesel, Music from Van Halen

December 17, 2014

Actor Michael Keaton; TV host Megyn Kelly; George Ezra performs.

December 18, 2014

Comic Mel Brooks; actress Christine Baranski; Jenny Lewis performs.

January 5, 2015

Actress Anne Hathaway; reality-TV star Chris Soules; Heart performs.

January 6, 2015

Actor Matt LeBlanc; actress Hayley Atwell; chef Jamie Oliver.

January 7, 2015

TV-show host Bill Maher; actor Nick Kroll; The Lone Bellow performs.

January 8, 2015

Actor Joaquin Phoenix; comic Larry Wilmore; Frankie Ballard performs.

January 13, 2015

Actress Jessica Chastain; actress Patricia Arquette; Childish Gambino performs.

January 14, 2015

Actress Kaley Cuoco-Sweeting; actor Omar Epps; Steel Panther performs.

January 15, 2015

Actor Johnny Depp; actress Marion Cotillard; Kandace Springs performs.

January 19, 2015

Actresses Abbi Jacobson and Ilana Glazer; Bad Suns perform.

January 20, 2015

Actor Eric Stonestreet; actor Stephen Amell.

January 21, 2015

Actor Ewan McGregor; actress Lea Michele; Tess Henley performs.

January 22, 2015

Actor Edward Norton; sportscaster Al Michaels; The Decemberists perform.

January 26, 2015

Actor Channing Tatum; professional football player J.J. Watt; ZZ Top performs.

January 27, 2015

Actor Kevin Costner; actor Eddie Redmayne; Jamie Cullum performs.

January 28, 2015

Former professional soccer player David Beckham; model Elle Macpherson; Vance Joy performs.

January 29, 2015

Actress Kerry Washington; animal handler Dave Salmoni; Ne-Yo performs.

February 9, 2015

TV host Bill O'Reilly; TV personality Kelly Osbourne; Mashup Monday features a performance from "Morris Day and the HAIM" (Morris Day and The Time and HAIM).

February 10, 2015

Actress Anna Faris; sportscasters Jeff Van Gundy and Mark Jackson; Annie Lennox performs.

February 11, 2015

Sam Smith performs.

February 12, 2015

Actress Keira Knightley; Incubus performs.

February 16, 2015

Mashup Monday features a performance from "Aloe Blaccstreet" (Aloe Blacc and Blackstreet).

February 17, 2015

Actress Kristen Bell; actor Chris Elliott; Big Sean performs.

February 18, 2015

Actor Neil Patrick Harris; actress Gillian Jacobs; Rascal Flatts perform.

February 19, 2015

TV host Kelly Ripa; actor Joshua Malina; Gorgon City performs with Jennifer Hudson.

February 22, 2015

A post-Oscar celebration; actor John Travolta.

February 23, 2015

Professional basketball player Kobe Bryant.

February 24, 2015

Actor Will Forte; actress Bella Thorne; Prince Royce performs.

February 25, 2015

Actor Will Forte; actress Elizabeth Henstridge; Sam Hunt performs.

February 26, 2015

Actress Viola Davis; actor Richard Madden.

March 2, 2015

Actress Cate Blanchett; actor Ryan Phillippe; Joywave performs.

March 3, 2015

Chef Gordon Ramsay; actress Bridgit Mendler; comic Beth Stelling.

March 4, 2015

Actor Vince Vaughn; retired professional boxer Mike Tyson; Drew Holcomb and The Neighbors perform.

March 5, 2015

Actress Naomi Watts; Carly Rae Jepsen performs.

March 9, 2015

Actress Bette Midler; the latest woman to be featured on "The Bachelorette"; The Afghan Whigs perform.

March 10, 2015

"American Idol" judges Jennifer Lopez, Keith Urban and Harry Connick Jr. and host Ryan Seacrest; actor Eric André; Keith Urban performs.

March 11, 2015

Actor Liam Neeson; actress Octavia Spencer; AWOLNATION performs.

March 12, 2015

Actor Sean Penn; Earth, Wind & Fire performs.

March 16, 2015

Actor Kevin Hart; Brad Paisley performs.

March 17, 2015

Actress Julia Louis- Dreyfus; filmmaker Robert Rodriguez; Spoon performs.

March 19, 2015

Actor Bill Murray; "The Walking Dead" cast members; The Weeknd performs.

March 20, 2015

Singer Willie Nelson.

March 23, 2015

Clinton Foundation Vice Chair Chelsea Clinton; actor Adam Carolla; Zac Brown Band performs.

March 24, 2015

Actress Maisie Williams; Saint Motel performs.

March 25, 2015

Actor Matthew Perry; professional wrestler John Cena; For King & Country performs.

March 26, 2015

Actress Zooey Deschanel; actor Guillermo Diaz; Charlie Wilson performs.

March 30, 2015

Actor Vin Diesel; Van Halen performs.

March 31, 2015

Actor Kurt Russell; comic Jeff Ross; Van Halen performs.

April 1, 2015

Actor Dwayne Johnson; singer Rihanna; Death Cab for Cutie performs.

April 2, 2015

Actor Jason Statham; Brian Wilson performs.

April 13, 2015

Actors Robert Downey Jr., Chris Hemsworth, Mark Ruffalo, Chris Evans, Scarlett Johansson and Jeremy Renner ("Avengers: Age of Ultron").

April 14, 2015

Actress Cobie Smulders; barbecue chef Aaron Franklin; Chic performs.

April 15, 2015

Actor Tim Allen; Drew Holcomb and The Neighbors performs.

April 16, 2015

Actress Juliette Lewis; Jamie Foxx performs.

April 20, 2015

Actor John Stamos; actor Michael B. Jordan; Matt & Kim perform.

April 21, 2015

Actress Courteney Cox; chef Steve Martorano; Alabama Shakes perform.

April 22, 2015

Dr. Phil McGraw; professional boxer Manny Pacquiao; Chet Faker performs.

April 23, 2015

Actors Anthony Anderson, Laurence Fishburne and Tracee Ellis Ross; Earth, Wind & Fire perform with Chicago.

April 27, 2015

Actor Kevin Spacey; actor Ioan Gruffudd; Stromae performs.

April 28, 2015

Tim McGraw performs; actress Patricia Heaton.

April 29, 2015

Actor Billy Crystal; animal handler Dave Salmoni; Modest Mouse performs.

April 30, 2015

Reality-TV star Kim Kardashian West; actor Michael Sheen; YelaWolf performs with Travis Barker.

May 4, 2015

TV host Ryan Seacrest; actress Brittany Snow; a Mash Up Monday performance with "REO SpeedDragons" (Imagine Dragons and REO Speedwagon).

May 5, 2015

Actress Julie Bowen; actor Adam Devine; Imagine Dragons perform.

May 6, 2015

Musician Adam Levine; actor Nicholas Hoult; Maroon 5 performs.

May 7, 2015

Actress Hailee Steinfeld; Brandon Flowers performs.

May 13, 2015

Actress Elizabeth Banks; comic Marc Maron; Earl Sweatshirt featuring BadBadNotGood performs.

May 14, 2015

Comic Amy Schumer; singer Chris "Ludacris" Bridges; José González performs.

May 15, 2015

Actor Paul Giamatti; author Bob Pflugfelder.

May 18, 2015

Mariah Carey performs; actress Alexandra Daddario.

May 19, 2015

Actor George Clooney; "The Bachelorette" castoff.

May 21, 2015

Actor Ray Liotta; Zedd performs.

May 22, 2015

Actress Jennifer Connelly; director Judd Apatow; Twenty One Pilots perform.

June 1, 2015

Actor Jeremy Piven; author Adam Carolla; Hozier performs.

June 2, 2015

Scripp's National Spelling Bee champions Vanya Shivashankar and Gokul Venkatachalam; Hiatus Kiyote performs.

June 4, 2015

Actor Joseph Gordon-Levitt; actress Emmanuelle Chriqui; Wiz Khalifa performs.

June 9, 2015

Actor Chris Pratt; actress Abby Elliott; Fetty Wap performs.

June 10, 2015

Actor Kit Harington; TV host Chris Gethard; Dwight Yoakam performs.

June 11, 2015

Actress Zoe Saldana; Tyler the Creator performs.

June 16, 2015

Actress Viola Davis; actor Adam Scott; Wale performs.

June 17, 2015

Actor Bill Hader; actor Shameik Moore.

June 18, 2015

Actor Jack Black; actor Jeffrey Tambor; Fifth Harmony and Kid Ink perform.

June 22, 2015

NBA Finals MVP Andre Iguodala; comedian Chris Tucker; Mark Feuerstein ("Larry Gaye: Renegade Male Flight Attendant"). Also: Robert DeLong performs.

June 23, 2015

Jon Hamm ("Minions"); Lizzy Caplan ("Masters of Sex"); comedian Jesse Elias. Also: Sheila E. sits in with Cleto and the Cletones.

June 24, 2015

Comedian Wanda Sykes; Jeffrey Dean Morgan ("Extant"). Also: A Thousand Horses perform.

June 25, 2015

Jada Pinkett Smith ("Magic Mike XXL"); Jai Courtney ("Terminator Genisys"). Also: Nate Ruess performs.

June 29, 2015

Emilia Clarke ("Terminator Genisys"); Vanessa Bayer ("Trainwreck"). Also: Miguel performs.

June 30, 2015

Comedian Kathy Griffin; Rob Corddry ("Ballers"). Also: Everclear perform.

July 1, 2015

Liev Schreiber ("Ray Donovan"); mixed martial artist Ronda Rousey. Also: Vince Staples performs.

July 2, 2015

Andy Samberg ("7 Days in Hell"); quarterback Russell Wilson. Also: Butch Walker performs.

July 20, 2015

Charlize Theron ("Dark Places"); Nat Wolff ("Paper Towns"). Also: Tori Kelly performs.

July 21, 2015

Denis Leary ("Sex&Drugs&Rock&Roll"); soccer player Alex Morgan. Also: Big Talk perform.

July 22, 2015

Ed Helms ("Vacation"); Brie Larson ("Trainwreck"). Also: Joss Stone performs.

July 23, 2015

Colin Farrell ("True Detective"). Also: Meghan Trainor performs.

July 27, 2015

Owen Wilson ("No Escape"); Kaitlyn Bristowe ("The Bachelorette"). Also: Juanes performs.

July 28, 2015

Armie Hammer ("The Man From U.N.C.L.E."); Natasha Leggero ("Another Period").

July 29, 2015

Christina Applegate ("Vacation"); Rick Springfield ("Ricki and the Flash"). Also: Tyler, the Creator performs.

July 30, 2015

Jason Bateman, Nicole Richie

August 17, 2015

Actress Halle Berry; Josh Groban performs.

August 18, 2015

Actor Johnny Knoxville; professional basketball player Steph Curry; Kelly Clarkson performs.

August 19, 2015

Actress Queen Latifah; tennis legend John McEnroe; Mumford & Sons perform.

August 20, 2015

Actor Topher Grace; actress Lily Tomlin.

November 24, 2015

September 14, 2015

Actress Sofía Vergara; journalist David Muir; Kacey Musgraves performs.

September 15, 2015

Actor John Stamos; journalist Jake Tapper; Cold War Kids perform.

September 16, 2015

Actor Tobey Maguire; NASCAR driver Dale Earnhardt Jr.; Kip Moore performs.

September 17, 2015

Actor David Spade; professional basketball player Russell Westbrook; A$AP Rocky performs.