Let's break down the explosive series finale of Netflix's "Zero Day," a cautionary tale about autocracy, misinformation and cyberterrorism.

For Lizzy Caplan, joining Netflix's "Zero Day" was an easy decision to make, citing Robert De Niro's involvement, as well as the "solid" credentials of co-creators Eric Newman, Noah Oppenheim and Michael Schmidt.

Zero Day” star Robert De Niro and series creators Noah Oppenheim and Eric Newman join TODAY to share how their new Netflix political thriller came together. They talk about casting the star-studded cast and creating an authentic world devastated by a cyberattack.