Dr. Elizabeth Weir

Armed with National Geographic's trademark inside access, Trafficked with Mariana van Zeller takes viewers on a journey inside the most dangerous black markets on the planet. Each investigation in the eight-part series embeds with Peabody and duPont Award-winning journalist Mariana van Zeller as she explores the complex and often violent inner workings of a smuggling network. While she dives deeper and deeper into these underworlds, Mariana reveals - with characteristic boldness and empathy - that the people operating these trafficking rings are often a lot more like us than we realize.

Drivers, managers and team owners live life in the fast lane -- both on and off the track -- during one cutthroat season of Formula 1 racing.

Beginning with the 2014 Extreme Rules Pay-Per-View on 4 May 2014 the WWE began airing all of their Wrestling Pay-Per-Views exclusively on the WWE Network. Subscribers who pay the $9.95 monthly fee will be able to view any Pay-Per-Views past, present and in the future exclusively on the WWE Network at no additional charge as long as their monthly fees are paid up-to-date.

In this game show, the game changes every show! Players begin each round without knowing the rules -- and must figure them out while competing to win.

The cast of Jersey Shore swore they would always do a vacation together. Now, five years, five kids, three marriages, and who knows how many GTL sessions later, the gang is back together and on vacation in a swanky house in Miami Beach.