Part I: Kate Walsh and Wayne Brady answer viewer questions on the After Show.
Part II: Kate Walsh reveals her favorite moment from 'Private Practice' and Wayne Brady reveals who was funniest behind the scenes of '30 Rock.'
Wayne Brady serenades Kate Walsh during an epic and impromptu 'WWHL' song.
Wayne Brady takes on Robert Pattinson and Dave Chappelle during 'Plead the Fifth.'
Kate Walsh bares all (well, almost) during 'Plead the Fifth.'