Robin Williams does a hilarious Shakespeare improv on Johnny Carson's Tonight Show in 1991. Watch more Robin Williams at bit.ly/carson_robin. Subscribe to Johnny Carson's Official YouTube Channel bit.ly/johnnysub. JOHNNY CARSON PLAYLISTS Animals bit.ly/carson_animals Bloopers bit.ly/carson_bloopers Carnac bit.ly/carson_carnac Celebrities bit.ly/carson_celebrities Christmas bit.ly/carson_christmas Comedians bit.ly/carson_comedians Episodes bit.ly/carson_episodes Monologues bit.ly/carson_monologues Skits bit.ly/carson_skits Music bit.ly/carson_music FOLLOW JOHNNY CARSON YOUTUBE: "Subscribe" bit.ly/johnnysub YOUTUBE MAIN MENU: bit.ly/johnny_menu YOUTUBE PREMIUM: youtube.com/johnnycarsontv FACEBOOK: "Like" fb.com/johnnycarson TWITTER: twitter.com/#!/Johnnycarson GOOGLE+: bit.ly/johnnygplus JOHNNY CARSON IS AVAILABLE ON: ITUNES bit.ly/johnnyitunes DVD: bit.ly/carsondvds AMAZON: bit.ly/amzn_carson GOOGLE PLAY: bit.ly/carson_gplay robin williams improvisation shakespeare johnny carson robin williams interview tonight show funny video hilarious moments funniest moments robin williams awakenings johnny carson show robin williams improvisation shakespeare johnny carson robin williams interview tonight show funny video hilarious moments funniest moments robin williams awakenings johnny carson show