The only hope for humanity to survive a natural disaster is to detonate a nuclear bomb in Los Angeles.

From the outer reaches of space to the small-town streets of suburbia, the hunt comes home. Now, the universe’s most lethal hunters are stronger, smarter and deadlier than ever before, having genetically upgraded themselves with DNA from other species. When a young boy accidentally triggers their return to Earth, only a ragtag crew of ex-soldiers and a disgruntled science teacher can prevent the end of the human race.

A military vessel on the search for an unidentified submersible finds themselves face to face with a giant shark, forced to use only what they have on board to defend themselves from the monstrous beast.

With much of America lying in ruins, the rest of the world braces for a global sharknado, Fin and his family must travel around the world to stop them.

After a nuclear war decimated the northern hemisphere, the surviving population in the south become desperate and violent competing for scarce resources. Society crumbles and an infectious bacteria threatens to destroy those who remain. ​ In an attempt to rebuild civilization, a self appointed government called 'The ORDER' distributed an immunization to the bacteria, via a massive Electro-Macnetic Pulse (EMP). Secretly, the Order also delivered a bio-tech virus through the EMP, giving them the power to control the population. ​ One man remains immune to the Order's virus - Jake Slater. Now Jake scavenges the wasteland searching for a way to keep his unconscious daughter alive, unaware she is the last child on Earth, and the key to the survival of mankind.