Watch: Did the Chrisleys Survive the Sharknado? Sharknado 4: The Fourth Awakens tore through Sunday night, leaving significant celebrity carnage in its wake. See how our very own stars of Chrisley Knows Best fared as Syfy's devastating human-chomping storm ripped through Las Vegas in this clip starring Todd, Savannah, and Grayson Chrisley. Annnnnnnd that's why you don't crack jokes about laying off the buffet! Karma, Todd!