Jay Leno Host Adam Carolla Guest Wanda Sykes Guest Bill Cosby Guest Bill Maher Guest Terry Bradshaw Guest Ben Harper Music Performer Gabourey Sidibe Guest Billy Crystal Guest Dane Cook Guest Charles Barkley Guest Jim Norton Correspondent Sandra Bullock Guest Brad Paisley Music Performer Mikey Day Correspondent Sheryl Crow Music Performer Bob Costas Guest James Cameron Guest Kim Kardashian Guest Howie Mandel Guest