In the span of a single day, the town of Silverton is ravaged by an unprecedented onslaught of tornadoes. The entire town is at the mercy of the erratic and deadly cyclones, even as storm trackers predict the worst is yet to come. Most people seek shelter, while others run towards the vortex, testing how far a storm chaser will go for that once-in-a-lifetime shot.

Baseball-size hail, violent winds, and churning tornadoes make supercells deadly, and when William Brody was a boy, his father a legendary storm-chaser was killed by one. Now, the family business belongs to Zane Rogers, a reckless tour operator who sees dollar signs where others see storm clouds. When his destiny arrives in the form of one of the most powerful storms on record, William leaves his mom and home behind to team up with his father's ex-partner,...

When a mass of Sharknadoes threatens America's East Coast, chainsaw-wielding hero Fin must again risk his life to save his children on spring break. But as he fights his way south, the sharknadoes merge and grow bigger than ever before.

Determined to bring his family back to life, Gil sends his father Fin back in time to stop the Sharknados from starting. Along the way, he fights dinosaurs, knights, cowboys, and even a robot version of his wife. This time, it's not how to stop the Sharknados, but when.