Robert De Niro; Justin Timberlake; Performance by Van Morrison; The game show "Lick it for Ten"
Tina Fey; Jon Bon Jovi; Performance by "Santigold"
Cameron Diaz; Billy Crudup; Performance by "Clap Your Hands Say Yeah"
Donald Trump; Serena Williams; Performance by "Ludacris"
Drew Barrymore; Chace Crawford; Chef Mario Batali
Amanda Peet; Rose Byrne; Joshua Topolsky; Combining Magazines
Emily Blunt; Michael Stipe; Performance by "Pussycat Dolls"
Russell Brand; Kevin Rose and Alex Albrecht; Performance by "The Virgins"
Brian Williams, Malin Akerman; Performance by "Glen Hansard"
Tracy Morgan, Jarod Miller; Performance by "Trace Adkins"
Gary Sinise, Colin Hanks; Performance by "Public Enemy"
Bill Paxton, The Kardashians; Performance by "The Ting Tings"
Clive Owen, Paul Teutul; Performance by "Vampire Weekend"
Jaime Pressly, Steven Ward; Performance by "Eric Church"
Jason Segel, The Amazing Kreskin, Dan Rollman and Corey Henderson conduct world record attempts.
Regis Philbin, Kat Von D, Jon Glaser; Performance by "Morrissey"
Rachel Maddow, John Cena; Performance by "Gambriella Cilmi"
Mike Myers, Anna Kournikova; Performance by "All American Rejects"
Ray Liotta, Cheryl Hines; Performance by "John Rich"
Ted Danson, Fred Armisen; Performance by "N.E.R.D"
Bill Hader, Emma Robert; Performance by "Glasvegas"
Glenn Close, Kristen Wiig; Performance by "Gomez"
Noah Wyle, Stevie Nicks; Performance by "Nick Thune"
Seth Rogen, Leighton Meester; Performance by "Dr Dog"
Lauren Graham, Judah Friedlander; Performance by "Cold War Kids"
Denis Leary, Jill Henness; Performance by "Sara Watkins & John Paul Jones"
Tom Brokaw, Tim Heidecker & Eric Wareheim; Performance by "Akon"
Ice-T, Elmo, Morgan Webb; Performance by "Yeah Yeah Yeahs"
Rachel McAdams, Michael Emerson, Matthew Stafford; Performance by "Solange"
Matthew Perry, Adam Goldberg; Performance by "Plain White T's"
Terrence Howard, Rashida Jones; Performance by "Rick Ross"
Jerry O'Connell, Thomas Lennon; Performance by "Chester French"
Seth Meyers, Michelle Trachtenberg, Mike Spinner
Ali Larter, Anthony Anderson; Performance by "Tinted Windows"
Neil Patrick Harris, Emily Deschanel; Stand-Up by "Reggie Watts"
Jennifer Aniston, Donald Faison; Performance by "Adele"
Jennifer Aniston, Donald Faison; Performance by "Sharon Jones and the Dap-Kings"
Amy Poehler, Diego Luna, Gael Garcia Bernal; Performance by "The National"
Martha Stewart, Mike Epps; Performance by "Ben Harper & Relentless7"
Zachary Quinto, Leonard Nimoy, Joan Rivers, Rachael Ray
Susan Sarandon, Randy Jackson; Performance by "Soulja Boy Tellem"
Andy Samberg, Jorge Garcia; Performance by "The Lonely Island"
Jane Krakowski, Jeff Probst; Performance by "The Beat Freaks, Bo Burnham"
Maya Rudolph, Damon Wayans Jr; Performance by "Asher Roth"
Shawn Wayans, Marlon Wayans, Steve Kroft; Performance by "Yusuf"
Take A Knee, Spellers, Freestylin' With The Roots, Tony Hawk Skateboard Stunt, Jimmy & Justin Say Goodbye
7th Floor West - Episode - 7, Freestylin' with the Roots
Late Night Timeline, Freestylin' With The Roots
U.S. Open Ball Boy Tryouts, Freestylin' With The Roots
Slice Brothers Breakaway Furniture, Freestylin' With The Roots
Topical Velvet Elvis, Freestylin' With The Roots
Joba Chamberlin Plays with The Roots, The Real Housewives Of Late Night-Episode 4, Butt Weight
Freestylin' With The Roots, Drum Impressions with Fred Armisen, Late Night Charades with Fred Armisen, Elizabeth Moss & Amy Poehler
12 Days Of Christmas Sweaters Day 3, Freestylin' with The Roots