Billy Crystal Returns for Lip Flip

To help promote the paperback edition of Billy Crystal’s “Still Foolin’ ’Em,“ Jimmy and Billy swap mouths and tell a joke in Dutch. Subscribe NOW to The Tonight Show Starring Jimmy Fallon: Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35/10:35c Get more Jimmy Fallon: Follow Jimmy: Like Jimmy: Get more The Tonight Show Starring Jimmy Fallon: Follow The Tonight Show: Like The Tonight Show: The Tonight Show Tumblr: Get more NBC: NBC YouTube: Like NBC: Follow NBC: NBC Tumblr: The Tonight Show Starring Jimmy Fallon features hilarious highlights from the show including: comedy sketches, music parodies, celebrity interviews, ridiculous games, and, of course, Jimmy’s Thank You Notes and hashtags! You’ll also find behind the scenes videos and other great web exclusives. Billy Crystal Returns for Lip Flip