Lions and tigers and sharks, oh my! Syfy's pop culture sensation Sharknado 2: The Second One absolutely devoured the world during last night's July 30 premiere, becoming the channel's most watched Original Movie ever with 3.9 million total viewers and 1.6 million Adults 18-49. The movie also averaged 1.8 million Adults 25-54.Sharknado 2 delivered One Billion (yes, with a B) estimated impressions for Sharknado Twitter conversations.At one point, Sharknado 2 held all top 10 trending topics in the United States.