Part I: Jimmy Fallon answers the age-old question: boxers or briefs?
Part IV: Jimmy Fallon shows off his Robert Pattinson impression and also takes a crack at Andy Cohen
Part III: Jimmy Fallon talks about working at 'SNL' and his return as host in 2011.
Part II: It's a 'Fact of Life' that Jimmy had a boyhood crush on this 80s sitcom star.
Jimmy Fallon presents Andy with the 'shotski' to celebrate his WWHL's expansion to five nights a week.
Jimmy Fallon gives Andy Cohen a taste of his own medicine in 'Plead the Fifth.'
Jimmy Fallon seeks to dethrone Neil Patrick Harris and prove to Andy that he can do everything.