Season 34 (2008-09)

9/13/08: Michael Phelps / Lil Wayne

9/20/08: James Franco / Kings of Leon

9/27/08: Anna Faris / Duffy

10/4/08: Anne Hathaway / The Killers

10/18/08: Josh Brolin / Adele

10/25/08: Jon Hamm / Coldplay

11/1/08: Ben Affleck / David Cook

11/15/08: Paul Rudd / Beyonce

11/22/08: Tim McGraw / Ludacris and T-Pain

12/6/08: John Malkovich / T.I.

12/13/08: Hugh Laurie / Kanye West

1/10/09: Neil Patrick Harris / Taylor Swift

1/17/09: Rosario Dawson / Fleet Foxes

1/31/09: Steve Martin / Jason Mraz

2/7/09: Bradley Cooper / TV on the Radio

2/14/09: Alec Baldwin / Jonas Brothers

3/7/09: Dwayne Johnson / Ray LaMontagne

3/14/09: Tracy Morgan / Kelly Clarkson

4/4/09: Seth Rogen / Phoenix

4/11/09: Zac Efron / Yeah Yeah Yeahs

5/9/09: Justin Timberlake / Ciara

5/16/09: Will Ferrell / Green Day