It's been five years since the last Sharknado that devastated Washington, D.C. and the world is benefiting from this hard-earned peace. Aston Reynolds' tech company Astro-X with their revolutionary atmosphere stabilizers called Astro-Pods, managed to eradicate all possible Sharknado formations, before they could get the chance to grow in magnitude. Fin, is heading to Vegas for a family reunion, some fun and relaxation, but before long, menacing clouds are forming once again and a brand new Sharknado is at hand.

When a tornado appears in the waters south of Boston, former storm chaser Joe Randall is intrigued by the unusual weather. But as twisters begin to strike across the Boston shoreline, Joe quickly realizes this is no ordinary storm front. As the storms threaten to move inland, the citizens of Boston find themselves trapped in a tempest turning deadlier by the minute. With the city under siege, Joe, his sister Maddy and his old storm chasing partner Lee realize they're dealing with a never before seen weather phenomenon known as Stonados. The only chance of stopping the storm is an untested theory about weather manipulation... the same theory that Joe has been trying to prove for over a decade. But with the storm spreading and threatening the entire Eastern Seaboard-as well as Joe's children who are trapped in a storm-besieged stadium-Joe and his motley crew will have to give it a try, either saving the world... or accelerating its destruction!

Dorothy wakes up in post-tornado Kansas, only to be whisked back to Oz to try to save her old friends the Scarecrow, the Lion, the Tin Man and Glinda from a devious new villain, the Jester. Wiser the owl, Marshal Mallow, China Princess and Tugg the tugboat join Dorothy on her latest magical journey through the colorful landscape of Oz to restore order and happiness to Emerald City.

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.

Liz McAdams is haunted by the memories of a tornado that destroyed her home 25 years ago. Now a professional storm tracker, she and her family are in danger once again as another devastating twister rapidly gains momentum. Caught in the path of destruction, Liz and her estranged husband struggle to save those they love...