E1 - Seth MacFarlane with Frank Ocean

Aired: September 15, 2012

Host Seth MacFarlane; Frank Ocean performs "Thinkin' Bout You" and "Pyramids."

E2 - Joseph Gordon-Levitt with Mumford & Sons

Aired: September 22, 2012

Host Joseph Gordon-Levitt; Mumford & Sons perform "I Will Wait" and "Below My Feet".

E3 - Daniel Craig with Muse

Aired: October 06, 2012

Host Daniel Craig; Muse perform "Madness" and "Panic Station."

E4 - Christina Applegate with Passion Pit

Aired: October 13, 2012

Host Christina Applegate; Passion Pit performs "Take a Walk" and "Carried Away."

E5 - Bruno Mars

Aired: October 20, 2012

Bruno Mars hosts and performs "Locked Out of Heaven" and "Young Girls".

E6 - Louis C.K. with fun.

Aired: November 03, 2012

Host Louis C.K.; Fun performs "Some Nights" and "Carry On".

E7 - Anne Hathaway with Rihanna

Aired: November 10, 2012

Host Anne Hathaway; Rihanna performs "Diamonds" and "Stay".

E8 - Jeremy Renner with Maroon 5

Aired: November 17, 2012

Host Jeremy Renner; Maroon 5 perform "One More Night" and "Daylight".

E9 - Jamie Foxx with Ne-Yo

Aired: December 08, 2012

Host Jamie Foxx; Ne-Yo performs.

E10 - Martin Short with Paul McCartney

Aired: December 15, 2012

Host Martin Short; Paul McCartney performs.

E11 - Jennifer Lawrence with The Lumineers

Aired: January 19, 2013

Host Jennifer Lawrence; The Lumineers perform.

E12 - Adam Levine with Kendrick Lamar

Aired: January 26, 2013

Host Adam Levine; Kendrick Lamar performs.

E13 - Justin Bieber

Aired: February 09, 2013

Host and musical guest Justin Bieber.

E14 - Christoph Waltz with Alabama Shakes

Aired: February 16, 2013

Host Christoph Waltz; Alabama Shakes perform.

E15 - Kevin Hart with Macklemore & Ryan Lewis

Aired: March 02, 2013

Host Kevin Hart; Macklemore & Ryan Lewis perform.

E16 - Justin Timberlake

Aired: March 09, 2013

Host and musical guest Justin Timberlake.

E17 - Melissa McCarthy with Phoenix

Aired: April 06, 2013

Host Melissa McCarthy; Phoenix perform.

E18 - Vince Vaughn with Miguel

Aired: April 13, 2013

Host Vince Vaughn; Miguel performs.

E19 - Zach Galifianakis with Of Monsters and Men

Aired: May 04, 2013

Host Zach Galifianakis; Of Monsters and Men perform.

E20 - Kristen Wiig with Vampire Weekend

Aired: May 11, 2013

Host Kristen Wiig; Vampire Weekend perform.

E21 - Ben Affleck with Kanye West

Aired: May 18, 2013

Host Ben Affleck; Kanye West performs.