Season 12

Courteney Cox; “The Bachelor” Juan Pablo Galavis; Johnathan Rice

From "Cougar Town", actress Courteney Cox; “The Bachelor” Juan Pablo Galavis; musical guest Johnathan Rice.

Amy Adams; Margot Robbie; Xolie Morra & The Strange Kind

Actress Amy Adams; actress Margot Robbie; musical guests Xolie Morra & The Strange Kind.

Sofia Vergara; Emmy Rossum; Yuna

From "Modern Family", actress Sofia Vergara; actress Emmy Rossum; musical guest Yuna.

Kristen Wiig; Nick Kroll; Lord Huron

Actress Kristen Wiig; comedian Nick Kroll; musical guests Lord Huron.

Kevin Costner; Harry Connick Jr.; Michael Kiwanuka

From "Jack Ryan: Shadow Recruit", actor Kevin Costner; from "American Idol", judge Harry Connick Jr.; musical guest Michael Kiwanuka.

Matt LeBlanc; Lupita Nyong'o; The Fray

From "Episodes", actor Matt LeBlanc; from "12 Years a Slave", actress Lupita Nyong'o; musical guests The Fray.

Meryl Streep; Joseph Gordon-Levitt; Jonny Lang

From "August Osage County", actress Meryl Streep; from "HitRECord on TV!", host Joseph Gordon-Levitt; musical guest Jonny Lang.

Chris Pine; Kevin O'Leary; Gregory Porter

From "Jack Ryan: Shadow Recruit", actor Chris Pine; from "Shark Tank", participant Kevin O'Leary; musical guest Gregory Porter.

LL Cool J; Chloe Bennet; Vampire Weekend

From "NCIS: Los Angeles", actor and rapper LL Cool J; from "Agents of S.H.I.E.L.D.", actress Chloe Bennet; musical guests Vampire Weekend.

Greg Kinnear; Kenneth Branagh; Young the Giant

From "Rake", actor Greg Kinnear; from "Jack Ryan: Shadow Recruit", director and actor Kenneth Branagh; musical guests Young the Giant.

Christina Ricci; Jake Johnson; Danny Brown

From "Lizzie Borden", actress Christina Ricci; from "New Girl", actor Jake Johnson; musical guest Danny Brown.

Kim Kardashian; Sean Lowe & Catherine Giudici; Jason Derulo

From "Keeping Up with the Kardashians", reality star Kim Kardashian; from "The Bachelor: Sean and Catherine's Wedding", Sean Lowe & Catherine Giudici; musical guest Jason Derulo.

Chris O'Donnell; Paul George; The Airborne Toxic Event

From "NCIS: Los Angeles", actor Chris O'Donnell; player for the NBA Indiana Pacers, Paul George; musical guests The Airborne Toxic Event.

Morgan Freeman; Anna Faris; Mötley Crüe

Actor Morgan Freeman; from "Mom", actress Anna Faris; musical guests Mötley Crüe.

Andy García; Norman Van Aken; Broken Bells

From "At Middleton", actor Andy García; chef Norman Van Aken; musical guests Broken Bells.

Zac Efron; Alison Brie; Sara Bareilles

From "That Awkward Moment", actor Zac Efron; from "The Lego Movie", actress Alison Brie; musical guest Sara Bareilles.

Sharon Osbourne; Shailene Woodley & Theo James; Zedd

Sharon Osbourne from "The Talk"; actors Shailene Woodley and Theo James ("Divergent"); Zedd performs.

Barkhad Abdi, Dr. Oz, The Lone Bellow

Actor Barkhad Abdi ("Captain Phillips"); Dr. Mehmet Oz; The Lone Bellow performs.

Ashton Kutcher, Sarah Paulson, The Head and the Heart

Actor Ashton Kutcher ("Two and a Half Men"); actress Sarah Paulson ("12 Years a Slave"); The Head and the Heart perform.

Matt Damon; George Clooney; Bill Murray; Cate Blanchett; Bob Balaban

The cast of George Clooney's The Monuments Men

Ethan Hawke, Julie Delpy, Joel Kinnaman, Eric Church

Actors Ethan Hawke & Julie Delpy; actor Joel Kinnaman; Eric Church performs.

Richard Sherman & Malcolm Smith, Gary Oldman, †††

Seattle Seahawks Richard Sherman & Malcolm Smith; actor Gary Oldman; music from Crosses †††

Nathan Fillion, Abbie Cornish, Naughty Boy & Sam Smith

Actor Nathan Fillion; actor Abbie Cornish; Naughty Boy and Sam Smith perform.

Kevin Hart, Alex Pettyfer, Sage the Gemini

Actor Kevin Hart; actor Alex Pettyfer; Sage the Gemini performs.

Will Arnett, Chrissy Teigen, Nina Adgal, Lily Aldridge, Silversun Pickups

Will Arnett; Sports Illustrated Swimsuit Issue Cover Models Nina Agdal, Lily Aldridge and Chrissy Teigen; Music from Silversun Pickups.

Bill O'Reilly, Kit Harington, Phantogram

Author Bill O'Reilly; actor Kit Harington; Phantogram performs.

Matthew McConaughey, June Squibb, Switchfoot

Actor Matthew McConaughey; actress June Squibb; Switchfoot performs.

Jonah Hill, Willie & Korie Robertson, New Politics

Actor Jonah Hill; TV personalities Willie Robertson and Korie Robertson; New Politics performs.

Liam Neeson, Dave Salmoni, Josh Groban

Actor Liam Neeson; animal expert Dave Salmoni; Josh Groban performs.

Joel McHale, Ansel Elgort, Benmont Tench

Actor Joel McHale; actor Ansel Elgort; music from Benmont Tench.

Ellen DeGeneres, Tom Ford, Sky Ferreira

TV show host Ellen DeGeneres; director Tom Ford; Sky Ferreira performs.

Kerry Washington, Michael Strahan, Juicy J & Wiz Khalifa

Actress Kerry Washington; TV show host Michael Strahan; Juicy J and Wiz Khalifa perform.

Rob Ford, Gonzo

Toronto Mayor Rob Ford; The Muppets' The Great Gonzo.

Jane Lynch, Omar Epps, Fitz & the Tantrums

Actress Jane Lynch; actor Omar Epps; Musical guest Fitz & The Tantrums.

Ricky Gervais, Kongos

Actor Ricky Gervais; Kongos performs.

Aaron Paul, Bellamy Young, Jetta

Actor Aaron Paul; actress Bellamy Young; Music from Jetta.

Seth Rogen, Snoop Dogg, White Denim

Jimmy Kimmel takes the show to Austin, Texas. Actor Seth Rogen ("Neighbors"), rapper-actor Snoop Dogg (1st Annual Wellness Retreat); musical guest White Denim.

Rosario Dawson, Gov. Rick Perry, Aloe Blacc

Actress Rosario Dawson ("Cesar Chavez"); Gov. Rick Perry; Music from Aloe Blacc; Jimmie Vaughn sits in with the house band.

Robert Duvall, Rachael Ray, Damon Albarn

Actor Robert Duvall ("A Night In Old Mexico"); celebrity chef Rachael Ray ("The Rachael Ray Show"); musical guest Damon Albarn; musical guest Johnny Winter will sit in with house band Cleto and the Cletones.

Lady Gaga, Darby Stanchfield, The Preatures

Musical guest Lady Gaga; actress Darby Stanchfield ("Scandal"); musical guest The Preatures.

Lil' Wayne, Willie Nelson, Los Lonely Boys

Rapper Lil Wayne; panelist and musical guest Willie Nelson; Los Lonely Boys sits in with Cleto and the Cletones.

Uma Thurman, Jai Courtney, Amos Lee

Actress Uma Thurman; actor Jai Courtney; Amos Lee performs.

Ashley Judd, Howie Mandel, Capital Cities

Actress Ashley Judd; TV host Howie Mandel; Sam Smith performs.

Jeremy Piven, Zoe Kravitz, YG

Actor Jeremy Piven; actress Zoe Kravitz; YG performs.

Don Cheadle, Tony Goldwyn, Enrique Iglesias

Actor Don Cheadle; actor Tony Goldwyn; Enrique Iglesias performs.

Jennifer Connelly, Rohan Chand, Sharon Jones & the Dap-Kings

Actress Jennifer Connelly; actor Rohan Chand; Sharon Jones & the Dap-Kings perform.

Nicole Kidman, Alyson Hannigan, Jerrod Niemann

Actress Nicole Kidman; actress Alyson Hannigan; Jerrod Niemann performs.

Julia Louis-Dreyfus, Michael Pena, London Grammar

Actress Julia Louis-Dreyfus; actor Michael Peña; London Grammar performs.

Jason Bateman, Katie Lowes, John Legend

Actor Jason Bateman; actress Katie Lowes; John Legend performs.

Mindy Kaling, Jim Jefferies, Dan Croll

Actress Mindy Kaling; comic Jim Jefferies; Dan Croll performs.

David Duchovny, Danai Gurira, Pete Davidson

Bill Clinton, Manny Pacquiao

President Bill Clinton; Manny Pacquiao performs.

Emma Stone, Jeff Perry, Schoolboy Q

Actress Emma Stone; actor Jeff Perry; Schoolboy Q performs.

Episode 54

Actor Seth MacFarlane; actor Paul Bettany; Sam Smith performs; the 2014 ESPYS host Drake.

Behind the Scandalabra

"Scandal" creator Shonda Rhimes discusses the season three finale; secrets from the "Scandal" cast and a previously unseen blooper reel; Kimmel's Spanish-language spinoff, "Escandalo."

Kate Upton, Cole Hauser, Neon Trees

Model Kate Upton; actor Cole Hauser; Neon Trees performs.

Seth MacFarlane, Paul Bettany, Sam Smith

Actor Seth MacFarlane; actor Paul Bettany; Sam Smith performs.

Episode 58

Actor Tim Allen; actress Ginnifer Goodwin; Foster the People perform.

Episode 59

Actress Julie Bowen; comic Dave Attell; Cut Copy performs.

Tim Allen, Ginnifer Goodwin, Foster the People

Actor Tim Allen; actress Ginnifer Goodwin; Foster the People perform.

Julie Bowen, Dave Attell, Cut Copy

Actors Eric Stonestreet and Jesse Tyler Ferguson; TV host Robin Roberts.

Jennifer Lopez, Elisabeth Moss, Sleepy Man Banjo Boys

Actress Jennifer Lopez; actress Elizabeth moss; Sleepy Man Banjo Boys perform.

Eric Stonestreet, Jesse Tyler Ferguson, Robin Roberts

Actors Eric Stonestreet and Jesse Tyler Ferguson; reporter Robin Roberts.

Kathy Griffin, Tony Hale, Franz Ferdinand

Comic Kathy Griffin; actor Tony Hale; Franz Ferdinand performs.

Sandra Oh, 'Science Bob' Pflugfelder, Boy George

Actress Sandra Oh; "Science Bob" Pflugfelder; Boy George performs.

Episode 66

Actress Sally Field; actress Julia Roberts; Future Islands performs.

Episode 67

Actor Jon Hamm; actress Emma Roberts; Kid Ink performs with Travis Barker.

Pharrell Williams

Musician Pharrell Williams is interviewed and performs.

Kobe Bryant, Lake Bell, Pharrell Williams

Actress Shailene Woodley; actor Aasif Mandvi; Iggy Azalea performs.

Episode 70

Actor Nathan Lane; author Adam Carolla; Royal Blood performs.

Shailene Woodley, Aasif Mandvi, Iggy Azalea

Actress Shailene Woodley; actor Aasif Mandvi; Iggy Azalea performs.

72

George Stephanopoulos, Andi Dorfman, Charles Bradley

TV host George Stephanopoulos; reality-TV star Andi Dorfman.

Johnny Knoxville, Dave Salmoni, Timeflies

Actor Johnny Knoxville; animal trainer Dave Salmoni; Timeflies performs.

Adam Sandler, Elle Fanning, Lykke Li

Actor Adam Sandler; actress Elle Fanning; Lykke Li performs.

Patricia Heaton, T.J. Miller, Little Dragon

Actress Patricia Heaton; actor T.J. Miller; Little Dragon performs.

Game Night

Actor Martin Lawrence.

Episode 78

Scripps National Spelling Bee champions; rapper Curtis "50 Cent" Jackson; actress Jenny Slate; OneRepublic performs.

Curtis '50 Cent' Jackson, Jenny Slate, OneRepublic

Rapper Curtis "50 Cent" Jackson; Jenny Slate ("Obvious Child"). Also: OneRepublic perform.

Gerard Butler, Meagan Goode, Matisyahu

Actor Gerard Butler; actress Meagan Goode; Matisyahu performs.

Robert Pattinson, Pablo Schreiber, Nico & Vinz

Actor Robert Pattinson; actor Pablo Schreiber; Nico & Vinz perform.

Lena Headey, Jungle, LA Kings, Bill de Blasio, Eric Garcetti

Actress Lena Headey; Jungle performs.

Ludacris, Kesha, Josh Groban, Brad Paisley, Michael Stevens

Musicians Ludacris, Kesha, Josh Groban and Brad Paisley; Internet personality Michael Stevens; Brad Paisley performs.

Mike Tyson, Jason Momoa, Young Fathers

Former boxer Mike Tyson; Jason Momoa ("Road to Paloma"). Also: Young Fathers perform.

Eric Bana, Tony Parker, Linkin Park

2014 NBA Champions San Antonio Spurs’ Tony Parker, Eric Bana, Music from Linkin Park

Episode 86

Actress Roseanne Barr; actor Eric Dane; Tech N9NE performs.

Episode 87

Actor Gary Oldman; actor Nathan Fielder; Bleachers performs.

Episode 88

Actor Bob Newhart; actress Nicola Peltz; Spoon performs.

Episode 89

Actress Melissa McCarthy; actor Marc Maron; Röyksopp & Robyn perform.

Episode 90

Actor Dane Cook; actor Mark Duplass; Trey Songz performs.

Episode 91

Actress Susan Sarandon; actor Ramon Rodriguez; Robin Thicke performs; professional baseball player Yasiel Puig.

Episode 92

Actress Jessica Alba; actor Ben Falcone; Sia performs.

Jessica Alba, Ben Falcone, Sia

Jessica Alba ("Sin City: A Dame to Kill For"); Ben Falcone ("Tammy"). Also: Sia performs.

Chris Pratt, Zoe Saldana, Dave Bautista, Vin Diesel, Bradley Cooper

Actor John Stamos; comic Todd Glass; OK Go performs.

John Stamos, Todd Glass, OK Go

John Stamos ("My Man Is a Loser"); comedian Todd Glass. Also: OK Go perform.

Gordon Ramsay, Bobcat Goldthwait, Common

Gordon Ramsay ("Hotel Hell"); Bobcat Goldthwait ("Willow Creek"). Also: Common performs.

Justin Theroux, Angie Harmon, 5 Seconds of Summer

Justin Theroux ("The Leftovers"); Angie Harmon ("Rizzoli & Isles"). Also: 5 Seconds of Summer perform.

Episode 98

Actor Daniel Radcliffe; actress Abigail Spencer; Kiesza performs.

Episode 99

Actor Eric McCormack; Self performs.

Episode 100

Actress Kerry Washington; musician Tom Petty; Tom Petty & the Heartbreakers perform.

Kerry Washington, Tom Petty, Tom Petty and The Heartbreakers

Reality-TV star Kim Kardashian; actors Damon Wayans Jr. and Jake Johnson; Disclosure and Sam Smith perform.

Episode 102

Actor Ted Danson; actress Eva Green; Jake Owen performs.

Episode 103

Actress Chloë Grace Moretz; The Mighty Mighty Bosstones performs.

Episode 104

Actor Mickey Rourke; actress Jordana Brewster; Banks performs.

Mickey Rourke, Jordana Brewster, Banks

Actor Idris Elba; reality-TV personality Tim Gunn; The White Buffalo performs.

Idris Elba, Tim Gunn, The White Buffalo

Actress Jennifer Aniston.

Episode 107

Actor Aaron Paul; Ed Sheeran performs.

Episode 108

Paolo Nutini performs.

Eva Longoria, Wiz Khalifa

Actress Eva Longoria; Wiz Khalifa performs.

Episode 110

Actress Gwyneth Paltrow; actor Terry Crews; Shawn Mendes performs.

Episode 111

Actress Taraji P. Henson; Hunter Hayes performs.

Episode 112

Sports analyst Terry Bradshaw; actors Mike Smith, John Paul Tremblay and Robb Wells; The Kooks perform.

Terry Bradshaw, Trailer Park Boys Mike Smith, John Paul Tremblay & Robb Wells, The Kooks

Actress Lena Dunham; actor Ben Schwartz.

Episode 114

Actor Bill Hader; director Richard Linklater; Jhene Aiko performs.

Episode 115

TV host Queen Latifah; stock car racing driver Dale Earnhardt Jr.

Episode 116

Actor Morgan Freeman; reality-TV personality Julianne Hough.

Morgan Freeman, Julianne Hough

Actress Jane Fonda; actor Ike Barinholtz; Mastodon performs.

Episode 118

Actors Keegan-Michael Key and Jordan Peele; journalist David Muir; Fall Out Boy performs.

Episode 119

Actor Ty Burrell; TV personality Len Goodman; Paolo Nutini performs.

Episode 120

Actress Kaley Cuoco; actor Anthony Anderson; Bastille performs.

Kaley Cuoco-Sweeting, Anthony Anderson, Bastille

Actress Courteney Cox; actor John Cho; Jason Aldean performs.

Courteney Cox, Jason Aldean

Actress Viola Davis; TV host Anthony Bourdain; Tove Lo performs.

Viola Davis, Anthony Bourdain, Tove Lo

Actor Patrick Dempsey; author Lara Spencer; Young Jeezy performs.

Patrick Dempsey, Lara Spencer, Young Jeezy

Actor Denzel Washington; actress Darby Stanchfield; The Script performs.

Jennifer Love Hewitt/Clark Gregg/Clean Bandit

Actress Jennifer Love Hewitt; actor Clark Gregg; Clean Bandit performs.

Episode 126

Actor Martin Short; animal trainer Dave Salmoni; Steve Aoki performs with Waka Flocka Flame and Travis Barker.

Martin Short, Dave Salmoni, Steve Aoki feat. Waka Flocka Flame & Travis Barker

Martin Short, Animal Trainer Dave Salmoni, Music from Steve Aoki Feat. Waka Flocka Flame and Travis Barker.

Tim Allen, Anna Gunn, The Madden Brothers

Actress Ellen Pompeo; actor Norman Reedus; Disclosure performs with Mary J. Blige.

Ellen Pompeo, Norman Reedus, Disclosure feat. Mary J. Blige

Ellen Pompeo, Norman Reedus, Music from Disclosure feat. Mary J. Blige.

Dax Shepard, Karen Gillan, Rixton

Dax Shepard, Karen Gillan, Music from Rixton.

Billy Crudup, Massimo Bottura, Weezer

Actress Kyra Sedgwick; actor Jon Bernthal; Dirty Heads performs.

Kyra Sedgwick, Jon Bernthal, Dirty Heads

Kyra Sedgwick, Jon Bernthal, Music from Dirty Heads.

LL Cool J, Michael Peña, Tinashe feat. Schoolboy Q

LL Cool J, Michael Peña, Music from Tinashe Feat. Schoolboy Q.

Shia LaBeouf, Michelle Monaghan, T.I.

Shia LaBeouf, Michelle Monaghan, Music from T.I.

Adam Carolla, Cristela Alonzo, Bob Seger

Adam Carolla, Cristela Alonzo, Music from Bob Seger.

Chris O'Dowd, Selena Gomez, Kasabian

Selena Gomez, Chris O’Dowd, Music from Kasabian.

Edward Norton, Portia de Rossi, You + Me

"Shark Tank" pitch results.

Ice Cube, 'Science Bob' Pflugfelder, Bush

Actor Ice Cube; "Science Bob" Pflugfelder; Bush performs.

Bill Murray, Jack Black & Kyle Gass

Actor Bill Murray; actors Jack Black and Kyle Gass.

Edward Norton, Portia de Rossi, You + Me

Actress Melissa McCarthy; actor Frank Grillo; Billy Idol performs; "Shark Tank" pitch results.

Taylor Swift, Alfred Enoch

Taylor Swift, Alfred Enoch, Music from Taylor Swift.

Melissa McCarthy, Frank Grillo, Billy Idol

Actor Will Arnett; actress Lisa Kudrow; Lady Antebellum performs.

Episode 143

Actor Scott Foley; Smokey Robinson, Aloe Blacc and JC Chasez perform.

Episode 146

Halloween costume pageant; actor Andy Samberg; actress Rosie Perez; The Flaming Lips perform.

Scott Foley, Smokey Robinson feat. Aloe Blacc and JC Chasez

Scott Foley, music from Aloe Blacc.

Episode 146

Halloween costume pageant; actor Andy Samberg; actress Rosie Perez; Slipknot performs.

Episode 147

Kimmel appears simultaneously in Los Angeles and Nashville using hologram technology.

Episode 148

Actress Geena Davis; Cobra Starship performs with Icona Pop.

Geena Davis, Cobra Starship feat. Icona Pop

Actor Christoph Waltz; actress Aubrey Plaza.

Episode 151

Actor Mike Myers; actress Gugu Mbatha-Raw; Tears for Fears performs.

Episode 152

Actor Jim Carrey; actress Bellamy Young; Oran "Juice" Jones performs.

Jim Carrey, Bellamy Young, Oran 'Juice' Jones

People's Sexiest Man Alive cover reveal; actor Jason Bateman; actress Courtney Love.

Episode 155

Actor Jamie Foxx; actress Tracee Ellis Ross; The New Basement Tapes perform.

Episode 156

Musical group One Direction; actor Tom Verica; Jessie J performs.

Episode 157

Actress Jennifer Aniston; actor Ken Jeong.

Episode 158

Actor Chris Pine; actress Evangeline Lilly; Pitbull and Ne-Yo perform.

Episode 159

Actress Mindy Kaling; UFC Women's Bantamweight champion Ronda Rousey; Rick Ross performs.

Episode 160

Actor Don Rickles; NASCAR champion Kevin Harvick; Chase Rice performs.

Episode 161

Actor Ethan Hawke; actor Timothy Spall; Walk the Moon performs.

Episode 162

Actress Sofia Vergara; actor J.K. Simmons.

Episode 163

TV host Ryan Seacrest; actress Rebecca Romijn; Vintage Trouble performs.

Episode 164

Actor Aaron Paul; actress Krysten Ritter; Bobby Shmurda performs.

Episode 165

Sports broadcasters Chris Fowler and Kirk Herbstreit; Priority performs.

Episode 166

Actress Marisa Tomei; Smashing Pumpkins perform.

Episode 167

Musician Blake Shelton; actress Laura Dern.

Episode 168

Actress Emily Blunt; actor Lee Pace; Alt-J performs.

Episode 169

Actress Tracey Ullman; Garth Brooks performs.

Episode 170

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

Episode 171

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