S10 E1: Christina Ricci, Mike 'The Situation' Sorrentino, Paul 'DJ Pauly D' DelVecchio, Vinny Guadagnino, Ronnie Ortiz-Magro, Mariachi El Bronx

S10 E2: Kelsey Grammer, Octavia Spencer, Lloyd

S10 E3: Tracy Morgan, Chris Paul, tUnE-yArDs

S10 E4: Don Cheadle, David Cross, Boyz II Men

S10 E5: Channing Tatum, Ben Flajnik, Uh Huh Her

S10 E6: Randy Jackson, Dermot Mulroney, Will Hoge

S10 E7: Woody Harrelson, Yvonne Strahovski, Rodney Atkins

S10 E8: Meryl Streep, Stephen Merchant, Kina Grannis

S10 E9: Katherine Heigl, Ne-Yo, Grouplove

S10 E10: Will Arnett, Madeleine Stowe, Dana Gould

S10 E11: Tom Arnold, Keke Palmer, Filter

S10 E12: Terrence Howard, Thomas Horn, Safetysuit

S10 E13: Kiefer Sutherland, Bear Grylls, Young the Giant

S10 E14: Elizabeth Banks, Ben McKenzie, Mindless Behavior

S10 E15: Cuba Gooding Jr., Sara Hyland, Big Freedia

S10 E16: Andre Agassi, J.B. Smoove, Seal

S10 E17: Kate Walsh, Marc Maron, Fishbone

S10 E18: Martin Scorsese, Kenneth Branagh, Angels and Airwaves

S10 E19: John Krasinski, Eloise Mumford, Gotye

S10 E20: Gary Oldman, Tim Heidecker & Eric Wareheim, Korn

S10 E21: Michelle Williams, Angela 'Big Ang' Raiola, Pitbull

S10 E22: Antonio Banderas, Damon Wayans Jr., 50 Cent

S10 E23: Nathan Fillion, Josh Hutcherson, Far East Movement

S10 E24: Courteney Cox, Mario Manningham & Ahmad Bradshaw, Tony Bennett

S10 E25: Jeff Goldblum, David Alan Grier, Lana Del Rey

S10 E26: John Goodman, Kevin Nealon, Robin Thicke

S10 E27: Sean 'Diddy' Combs, 'Science Bob' Pflugfelder, Miley Cyrus

S10 E28: Chris Pine, Khloe Kardashian Odom, Puscifer

S10 E29: Eric Stonestreet, Kate Upton, Jake Owen

S10 E30: Jessica Alba, Rep. Barney Frank, Nathan Myhrvold, Tower of Power

S10 E31: Joel McHale, Justin Theroux, Die Antwoord

S10 E32: After the Oscars Special

S10 E33: Steven Tyler, Harvey Weinstein, Melanie Fiona

S10 E34: Maria Menounos; Mat Kearney

S10 E35: Ed Helms, Leslie Bibb, Wallpaper

S10 E36: Joan Rivers, Nicki Minaj

S10 E37: Dr. Phil McGraw; “The Bachelor” runner-up Lindzi Cox; Keane

S10 E38: Will Ferrell; actress Ellie Kemper; Allen Stone

S10 E39: Jonah Hill; Busy Philipps; The Crystal Method feat. Martha Reeves

S10 E40: Channing Tatum; actor Genesis Rodriguez

S10 E41: Jessica Simpson; Gael García Bernal

S10 E42: Kristen Bell; actor Ice Cube; KISS performs

S10 E43: Don Rickles; Amanda de Cadenet; Dr. Teeth and the Electric Mayhem

S10 E44: Kristin Chenoweth; racecar driver Jimmie Johnson; Neon Trees

S10 E45: Zooey Deschanel; actor Steven Seagal; Shinedown

S10 E46: Ashton Kutcher and Justin Bieber; All-American Rejects

S10 E47: Adam Carolla; professional basketball player Kevin Durant; White Rabbits

S10 E48: Carson Daly; actress Kristen Schaal

S10 E49: Seann William Scott; actress Christa Miller; Eli Young Band

S10 E50: Edie Falco; Amy Schumer

S10 E51: Jason Biggs; Lionel Richie and Billy Currington

S10 E52: Anthony Davis; actress Lena Headey; NeedToBreathe

S10 E53: LL Cool J; actor James Van Der Beek; Josh Baze

S10 E54: David Spade; Slash feat. Myles Kennedy

S10 E55: Ashley Judd; director Bobcat Goldthwait; The Civil Wars

S10 E56: Danny McBride; actress Dianna Agron; The Shins

S10 E57: Zac Efron; actress Krysten Ritter; Noel Gallagher

S10 E58: Mark Harmon; Dancing With the Stars castoff; Ashanti performs

S10 E59: Jennifer Love Hewitt; Chef Georgia Pellegrini; Jason Mraz

S10 E60: Gabourey Sidibe; Morgan Spurlock; Kasabian

S10 E61: Julia Louis-Dreyfus; Andy Hoang & Erik Salgado; The Hives

S10 E62: John Cusack; Vintage Trouble

S10 E63: Sharon Osbourne; Max Greenfield; LP

S10 E64: Emily Blunt; Dave Salmoni; Adam Lambert

S10 E65: Vanessa Williams; Jonny Lee Miller; Andrew Bird

S10 E66: David Arquette; Civil Twilight

S10 E67: William H. Macy; Eva Green; Brad

S10 E68: Scarlett Johansson; Roger Daltrey

S10 E69: Kristen Stewart; Chloë Grace Moretz; B.o.B.

S10 E70: Johnny Depp; Casey Wilson; Silversun Pickups

S10 E71: Steve Harvey; Dev Patel; Glenn Frey

S10 E72: Dr. Phil McGraw; Carrie Underwood

S10 E73: Drew Carey; Rita Wilson

S10 E74: Matthew Morrison; Beth Stern; Delta Spirit

S10 E75: Kristin Bell; Dax Shepard; Jason Mantzoukas; The Cult

S10 E76: Kathy Griffin; Emily Maynard; Gavin DeGraw

S10 E77: Patricia Heaton; Nikolaj Coster-Waldau; Lisa Marie Presley

S10 E78: Josh Brolin; Bethenny Frankel; Kimbra

S10 E79: Charlize Theron; Manny Pacquiao; Graffiti6

S10 E80: Christina Ricci; Chef Adam Perry; fun.

S10 E81: Andy Samberg; Edward Sharpe and the Magnetic Zeros

S10 E82: Kim Kardashian, Kourtney Kardashian and Khloe Kardashian Odom; Adam Carolla; K'Naan

S10 E83: Edward Norton; Leighton Meester; Dead Sara

S10 E84: Martin Short; Cee Lo Green; Goodie Mob

S10 E85: Jada Pinkett Smith; Matt Kemp; The Temper Trap

S10 E86: Sally Field; Kevin Love; Waka Flocka Flame

S10 E87: Anderson Cooper; Scott Caan; Metric

S10 E88: Katy Perry; Alex Pettyfer; The Offspring

S10 E89: Louis C.K.; Zoe Kazan

S10 E90: Matt LeBlanc; Selma Blair; Linkin Park

S10 E91: Howie Mandel; Chris Bosh; Linkin Park

S10 E92: Paul Reubens; Dreama Walker; Marina and the Diamonds

S10 E93: Gary Oldman; Rob Riggle; The Dirty Heads

S10 E94: Wanda Sykes; Joel Kinnaman; Serj Tankian

S10 E95: Billy Crudup; Fred Willard; Grace Potter and the Nocturnals

S10 E96: Bryan Cranston; Larry King; Zac Brown Band

S10 E97: Russell Brand; Olivia Munn; Matisyahu

S10 E98: Kate Beckinsale; Chris Harrison; Rubblebucket

S10 E99: Charlie Sheen; Nicole 'Snooki' Polizzi; Huey Lewis & Joe Cocker

S10 E100: Ben Stiller; Emily Maynard; The Head and the Heart

S10 E101: Jeremy Renner; Aaron Paul; Nas

S10 E102: Colin Farrell; Rosemarie DeWitt; Trey Songz

S10 E103: Jessica Biel; Rick Ross

S10 E104: David Duchovny; Jeff Ross; Alabama Shakes

S10 E105: Joseph Gordon-Levitt; Rebel Wilson; Good Old War

S10 E106: Thomas Haden Church; Rick Bayless; JJAMZ

S10 E107: Jennifer Garner; Paul Scheer; The Fixx

S10 E108: Tom Arnold; Ashley Greene; The Wood Brothers

S10 E109: Gordon Ramsay; Jordin Sparks; Andy Grammer

S10 E110: Robert Pattinson; Rick & Corey Harrison; Poliça

S10 E111: Kyra Sedgwick; Nick Prueher & Joe Pickett; Josh Doyle

S10 E112: Jamie Foxx; Cat Deeley; Imagine Dragons

S10 E113: Bob Newhart; Kevin Hart; Miss Willie Brown

S10 E114: Matt Stone & Trey Parker; Adam Scott; Everclear

S10 E115: Lea Michele; Simon Bird; The Avett Brothers

S10 E116: Dr. Phil McGraw; Dakota Johnson; Rita Ora

S10 E117: Britney Spears & Simon Cowell; Slightly Stoopid

S10 E118: Terry Bradshaw; Dave Matthews

S10 E119: Matthew Perry; Josh Hamilton; Kreayshawn

S10 E120: Richard Gere; Josh Radnor

S10 E121: Julie Bowen; Nate Parker; The Afghan Whigs

S10 E122: Julianna Margulies; Jessie Tyler Ferguson; The Killers

S10 E123: Melanie Griffith; Kerry Washington; Alanis Morissette

S10 E124: Keanu Reeves; Ginnifer Goodwin; Green Day

S10 E125: Selena Gomez; Lenny Venito; Tony Bennett

S10 E126: Zooey Deschanel; Maggie Grace; Electric Approach

S10 E127: Ty Burrell; Chris Paul; Psy

S10 E128: Amy Poehler; Alan Arkin; Garbage

S10 E129: Zac Efron; Jack Black & Kyle Gass; Tenacious D

S10 E130: Ben Affleck; Demi Lovato; Ben Howard

S10 E131: Megan Mullally; Father John Misty

S10 E132: Will Arnett; Chris Elliott; Dwight Yoakam

S10 E133: Kevin James; Ezra Miller

S10 E134: Aziz Ansari; Alana “Honey Boo Boo” Thompson & June “Mama” Shannon; Josh Turner

S10 E135: Don Rickles; Dancing with the Stars Castoff; Miguel

S10 E136: Joel McHale; Joe Walsh

S10 E137: Matthew Fox; Emily VanCamp; Paul Weller

S10 E138: Russell Peters; Prince

S10 E139: Axl Rose; Ana Gasteyer; The Whigs

S10 E140: Michelle Obama; Halle Berry; Ciara

S10 E141: Kelly Ripa; Alicia Keys

S10 E142: Howard Stern; Tracy Morgan; Sharon Jones and the Dap-Kings

S10 E143: David Letterman; Vampire Weekend

S10 E144: Jon Stewart & Stephen Colbert; The Avett Brothers with the Brooklyn Philharmonic

S10 E145: Robert Pattinson; Chris Hardwick; Ben Folds Five

S10 E146: John Goodman; Hayden Panettiere; Machine Gun Kelly

S10 E147: Kirstie Alley; Dave Salmoni; Tyler Bryant & The Shakedown

S10 E148: Daniel Craig; Stephenie Meyer; Boys Like Girls

S10 E149: Jessica Lange; Adam Pally; Game feat. Tyga & Wiz Khalifa

S10 E150: Christina Applegate; Youngblood Hawk

S10 E151: Martin Short; Suraj Sharma; Ne-Yo

S10 E152: Mel Brooks; Jake Tapper; Jason Aldean

S10 E153: Eric Stonestreet; L.A. Reid; Aimee Mann & James Mercer

S10 E154: Two Dancing with the Stars Castoffs; Andy Allo

S10 E155: Tim Allen; Manny Pacquiao; Flo Rida

S10 E156: Ryan Seacrest; Erin Andrews; Soundgarden

S10 E157: Reba McEntire; Mike Tyson; Youngblood Future

S10 E158: Eric Bana; Damian Lewis; Wiz Khalifa

S10 E159: Ted Danson; Emilia Clarke; Larry g(EE)

S10 E160: Leslie Mann; Ted; Sarah Jaffe

S10 E161: John Krasinski; Mike Birbiglia; Atlas Genius

S10 E162: Zachary Knighton; Dan Deacon

S10 E163: Hugh Jackman; Jenna Fischer; 2 Chainz

S10 E164: Samuel L Jackson; Jersey Shore cast; Ed Sheeran

S10 E165: Eric Stonestreet; L.A. Reid; Aimee Mann and James Mercer

S10 E166: Jessica Lange; Adam Pally; Game featuring Tyga