J.J. Abrams Promises Westworld's Season Finale Is Insane

Also available on the NBC app

J.J. Abrams talks to Jimmy about HBO's controversial hit series Westworld, which he executive produces.

Available until 11/30/17
Appearing:Jimmy Fallon
Tags: The Tonight Show, Jimmy Fallon, J.J. Abrams, Promises, westworld, season finale, Insane
S4 E452 minInterviewTalk and InterviewLatenight