Seasons & episodes
S20 · E57Zac Efron, Jennie Garth, Grace Potter and the Nocturnals 2012-04-05
No episode summary available yet.
S20 · E58Kristin Chenoweth, Julie Scardina, Rodrigo y Gabriela 2012-04-06
No episode summary available yet.
S20 · E59Jane Lynch, Kevin Hart, Esperanza Spalding 2012-04-09
No episode summary available yet.
S20 · E60Josh Hutcherson, Rachel Maddow, Eric Turner featuring Lupe Fiasco and Tinie Tempah 2012-04-10
No episode summary available yet.
S20 · E61Albert Brooks, Austin 2012-04-11
No episode summary available yet.
S20 · E62Blake Shelton, Chris Diamantopoulos, Feist 2012-04-12
No episode summary available yet.
S20 · E63Jason Segel, Anna Faris, Far East Movement 2012-04-13
No episode summary available yet.
S20 · E64Jesse Tyler Ferguson, Aubrey O'Day, Train 2012-04-23
No episode summary available yet.
S20 · E65Jack Black, Daniel Holzman & Michael Chernow, Beirut 2012-04-24
No episode summary available yet.
S20 · E66Adam Levine, Ziggy Marley 2012-04-25
No episode summary available yet.
S20 · E67Diane Keaton, Natalie Coughlin, Moby 2012-04-26
No episode summary available yet.
S20 · E68Mel Gibson, the Wanted 2012-04-27
No episode summary available yet.
S20 · E69Steve Martin, Rashida Jones, Steve Martin & the Steep Canyon Rangers 2012-04-30
No episode summary available yet.
S20 · E70Cameron Diaz, William Shatner, Lee Brice 2012-05-01
No episode summary available yet.
S20 · E71Scarlett Johansson, Blake Shelton, K'Naan featuring Nelly Furtado 2012-05-02
No episode summary available yet.
S20 · E72Robert Downey Jr., Katharine McPhee, Toast To Freedom 2012-05-03
No episode summary available yet.
S20 · E73Kristen Stewart, James Morrison 2012-05-04
No episode summary available yet.
S20 · E74Michelle Pfeiffer, Bear Grylls, Snow Patrol 2012-05-07
No episode summary available yet.
S20 · E75Rick Santorum, Taylor Kitsch, B.o.B., O.A.R. 2012-05-08
No episode summary available yet.
S20 · E76Garry Shandling, Alison Brie, the winner of 'The Voice' 2012-05-09
No episode summary available yet.
S20 · E77Howie Mandel, Vinny Guadagnino, Sara Watkins 2012-05-10
No episode summary available yet.
S20 · E78Jenna Fischer, Jay Mohr 2012-05-11
No episode summary available yet.
S20 · E79Kourtney, Kim & Khloe Kardashian, Donny Deutsch, Karmin 2012-05-14
No episode summary available yet.
S20 · E80Wanda Sykes, David Hasselhoff, Santana 2012-05-15
No episode summary available yet.