The cast of @The Lost Boys: A New Musical performs a medley of "My He...

Peter and His Heckler: “Don’t Stop Believin’” w/ Will Ferrell #Fallon...

Sigourney Weaver on Aliens turning 40: “It felt like yesterday!” #Fal...

AZ & Nas perform a medley of "Life's a Bitch" and "So High"! #FallonT...

@Olivia Dunne teaches Jimmy how to do a Baywatch-inspired run in slow...